Professor John Donegan
Professor, Physics
Biography
Prof. John Donegan received BSc and PhD degrees from University College Galway in 1982 and 1986. He had post-doctoral appointments in Lehigh University, Bethlehem, USA and in Max-Planck Institut für Festkörperforschung, Stuttgart, Germany. He arrived back in Ireland in 1990 taking an appointment with the newly created Optronics Ireland research centre under the supervision of John Hegarty. He was appointed to the academic staff in Trinity College Dublin in 1993, he is now a Fellow of Trinity College Dublin and Professor in the School of Physics. He is a fellow of the Institute of Physics, a senior member of the IEEE and the American Physical Society and the Optical Society of America. He was the Head of School of Physics in TCD from 2008-2011. His research is in Photonics, the Science and Technology of the creation, detection and use of light. Professor Donegan has had collaborations with Ludwig-Maximilians-Universitaet Muenchen, and Université de Reims, Presently, he has collaborations with University of Erlangen-Nurenburg, Huazhong University of Science and Technology, Wuhan and with industrial laboratories in Nokia-Bell Labs, and Western Digital Corporation. He has published over 350 papers in journals and conference proceedings with over 8000 citations and a h-index of 38. He has 8 granted patents.
Publications and Further Research Outputs
Peer-Reviewed Publications
Abbott, W.M. and Murray, C.P. and Lochlainn, S.N. and Bello, F. and Zhong, C. and Smith, C. and Petford-Long, A.K. and Donegan, J.F. and McCloskey, D., A Comparison of Metal Adhesion Layers for Au Films in Thermo-Plasmonic Applications, Conference on Lasers and Electro-Optics, San Jose, California United States, May, 2019, pp8749722-
Bello, F. and Orhan, O.K. and Abadia, N. and O'Regan, D.D. and Donegan, J.F., Material Characterization and Thermal Performance of Au Alloys in a Thin-Film Plasmonic Waveguide, OSA Technical Digest, CLEO: Applications and Technology 2019,, San Jose, California United States, , 5-10 May, (8749235), 2019, JTu2A.110-
Jain, G. and Wallace, M.J. and Pascual, M.D.G. and McKenna, R. and Smyth, F. and Braddell, J. and Anandarajah, P.M. and Donegan, J.F., Athermal Operation of Multi-Section PIC, Conference on Lasers and Electro-Optics, San Jose, California United States, May, (8749886), 2019
Bello, F. and Sanvito, S. and Hess, O. and Donegan, J.F., Shaping and Storing Magnetic Data Using Pulsed Plasmonic Nanoheating and Spin-Transfer Torque, ACS Photonics, 6, (6), 2019, p1524-1532
Wallace, M.J. and Jain, G. and McKenna, R. and Bello, F. and Donegan, J.F., Tuning behaviour of slotted vernier widely tunable lasers, Optics Express, 27, (12), 2019, p17122-17137
Abbott, W.M. and Murray, C.P. and Zhong, C. and Smith, C. and McGuinness, C. and Rezvani, E. and Downing, C. and Daly, D. and Petford-Long, A.K. and Bello, F. and McCloskey, D. and Donegan, J.F., Less is more: Improved thermal stability and plasmonic response in Au films via the use of SubNanometer Ti Adhesion Layers, ACS Applied Materials and Interfaces, 11, (7), 2019, p7607-7614
Harvey, A. and Backes, C. and Boland, J.B. and He, X. and Griffin, A. and Szydlowska, B. and Gabbett, C. and Donegan, J.F. and Coleman, J.N., Non-resonant light scattering in dispersions of 2D nanosheets, Nature communications, 9, (1), 2018, p4553
Bello, F. and Orbrien, S. and McCloskey, D.M. and Donegan, J.F., Designing thin-film metamaterials by tuning effective ENZ behavior, 2018-November, (8570267), 2018, pp43-44
Chuan Zhong, Patrick Flanigan, Nicolás Abadía, Frank Bello, Brian D. Jennings, Gwenael Atcheson, Jing Li, Jian-Yao Zheng, Jing Jing Wang, Richard Hobbs, David McCloskey and John F. Donegan, Effective heat dissipation in an adiabatic near-field transducer for HAMR, Optics Express, 26, (15), 2018, p18842--18854
Shen, C. and Zhong, C. and Liu, D. and Lian, X. and Zheng, J. and Wang, J. and Semenova, Y. and Farrell, G. and Albert, J. and Donegan, J.F., Measurements of milli-Newton surface tension forces with tilted fiber Bragg gratings, Optics Letters, 43, (2), 2018, p255-258
Chuan Zhong, Patrick Flanigan, Nicolás Abadía, Brian Jennings, Frank Bello, Gwenael Atcheson, Jing Li, Jian-Yao Zheng, Richard Hobbs, David McCloskey and John F. Donegan, High Coupling Efficiency Adiabatic Near-field Transducer for (HAMR), 2018 Conference on Lasers and Electro-Optics, CLEO 2018, CLEO: Applications and Technology, 2018, OSA, 2018, pp1-
AbadÃa, N. and Saber, M.D.G. and Bello, F. and Samani, A. and El-Fiky, E. and Wang, Y. and Donegan, J.F. and Plant, D.V., CMOS-compatible multi-band plasmonic TE-pass polarizer, Optics Express, 26, (23), 2018, p30292-30304
Nicolás Abadía, Frank Bello, Chuan Zhong, Patrick Flanigan, David M. McCloskey, Christopher Wolf, Alexander Krichevsky, Daniel Wolf, Fenghua Zong, Alireza Samani, David V. Plant, and John F. Donegan, Optical and thermal analysis of the light-heat conversion process employing an antennabased hybrid plasmonic waveguide for HAMR, Optics Express, 26, (2), 2018, p1752-1765
Abbott, W.M. and Murray, C.P. and Zhong, C. and Smith, C.M. and McCloskey, D. and Donegan, J.F., Improved Performance Thermal Stability in Plasmonic Films with Thinner Adhesion Capping Layers, (8426364), 2018
Abbott, W.M. and Corbett, S. and Cunningham, G. and Petford-Long, A. and Zhang, S. and Donegan, J.F. and McCloskey, D., Solid state dewetting of thin plasmonic films under focused cw-laser irradiation, Acta Materialia, 145, 2018, p210-219
Brian D. Jennings, Frank Bello, Alexander Krichevsky, Christopher Wolf, Ertuğrul Karademir, Robert Whelan, John F. Donegan and David McCloskey, Focusing element formed by scattering structures in a planar dielectric waveguide, Optics Letters, 43, (15), 2018, p3477--3480
Abadia, N. and Dai, X. and Lu, Q. and Guo, W.-H. and Saber, M.G. and Plant, D.V. and Donegan, J.F., Novel polarization beam splitter with high fabrication tolerance, CLEO: QELS_Fundamental Science 2018, (8427265), 2018, pp1--
Griffin, A. and Harvey, A. and Cunningham, B. and Scullion, D. and Tian, T. and Shih, C.-J. and Gruening, M. and Donegan, J.F. and Santos, E.J.G. and Backes, C. and Coleman, J.N., Spectroscopic Size and Thickness Metrics for Liquid-Exfoliated h -BN, Chemistry of Materials, 30, (6), 2018, p1998-2005
Shen, C. and Lian, X. and Kavungal, V. and Zhong, C. and Liu, D. and Semenova, Y. and Farrell, G. and Albert, J. and Donegan, J.F., Optical spectral sweep comb liquid flow rate sensor, Optics Letters, 43, (4), 2018, p751-754
Mills, S. and Rotella, C. and McCarthy, E.K. and Hill, D.J. and Wang, J.-J. and Donegan, J.F. and Cahoon, J.F. and Sader, J.E. and Boland, J.J., Solvent-Engineered Stress in Nanoscale Materials, ACS Applied Materials and Interfaces, 10, (50), 2018, p44183-44189
Jain, G. and Wallace, M.J. and McKenna, R. and Brazel, K. and Bello, F. and Lu, Q. and Guo, W. and Donegan, J.F., Design optimization for semiconductor lasers with high-order surface gratings having multiple periods, Journal of Lightwave Technology, 36, (22), 2018, p5121-5129
Bello, F. and Wallace, M.J. and McKenna, R. and Jain, G. and Lu, Q.Y. and Guo, W.H. and Donegan, J.F., Athermal tuning for a two-section, all-active DBR laser with high-order grating, IEEE Photonics Journal, 10, (5), 2018
Caridad, J.M. and Winters, S. and McCloskey, D. and Duesberg, G.S. and Donegan, J.F. and KrstiÄ , V., Control of the plasmonic near-field in metallic nanohelices, Nanotechnology, 29, (32), 2018
Brian D. Jennings, David McCloskey, Alexander Krichevsky, Christopher Wolf, Frank Bello, Ertuğrul Karademir, and John F. Donegan, Planar Focusing Element Based on Scattering Structures in a Dielectric Waveguide, 2018 Conference on Lasers and Electro-Optics, CLEO 2018, CLEO: Applications and Technology, 2018, OSA, 2018, pp1-
Wallace, M.J. and Meehan, R.O. and Enright, R. and Bello, F. and McCloskey, D. and Barabadi, B. and Wang, E.N. and Donegan, J.F., Athermal operation of multi-section slotted tunable lasers, Optics Express, 25, (13), 2017, p14426-14438
Abadia, N. and Dai, X. and Lu, Q. and Guo, W.-H. and El-Fiky, E. and Plant, D.V. and Donegan, J.F., Novel polarization beam splitter based on p-i-n structure for an indium phosphide platform, Transparent Optical Networks (ICTON), 2017 19th International Conference on, International Conference on Transparent Optical Networks, 2-6 JUly, 2017, pp8024837-
Sun, W. and Zhao, G. and Zhang, P. and Wallace, M. and Bello, F. and Lu, Q. and Guo, W. and Donegan, J.F., Design of 1.3-Î"m High-Performance Directly Modulated Lasers Based on High-Order Slotted Surface Gratings, IEEE Journal of Quantum Electronics, 53, (5), 2017, p2000509 -
Jennings B.D, McCloskey D, Gough J.J, Hoang T, Abadia N, Zhong C, Karademir E, Bradley A.L, Donegan J.F, Characterisation of multi-mode propagation in silicon nitride slab waveguides, Journal of Optics (United Kingdom), 19, (1), 2017, p015604-
Wallace, M.J. and O'Reilly Meehan, R. and Enright, R. and Bello, F. and Donegan, J.F., Athermal operation of a multi-section laser for optical communications, OSA Technical Digest (online), Optical Fiber Communication Conference , 2017, pp7937373-
Caridad, J.M. and Winters, S. and McCloskey, D. and Duesberg, G.S. and Donegan, J.F. and KrstiÄ , V., Hot-Volumes as Uniform and Reproducible SERS-Detection Enhancers in Weakly-Coupled Metallic Nanohelices, Scientific Reports, 7, (45548), 2017
O'Brien, S.A. and Harvey, A. and Griffin, A. and Donnelly, T. and Mulcahy, D. and Coleman, J.N. and Donegan, J.F. and McCloskey, D., Light scattering and random lasing in aqueous suspensions of hexagonal boron nitride nanoflakes, Nanotechnology, 28, (47), 2017
Zheng, J.-Y. and Wang, J.J. and Manning, H. and Zhong, C. and Purcell-Milton, F. and Meehan, R.O. and Cunningham, G. and Enright, R. and Gun'ko, Y.K. and Boland, J. and Donegan, J.F., Synthesis of millimeter-size freestanding perovskite nanofilms from single-crystal lead bromide for optoelectronic devices, 2017-January, 2017, pp1-2
AbadÃa, N. and Dai, X. and Lu, Q. and Guo, W.-H. and Patel, D. and Plant, D.V. and Donegan, J.F., Highly fabrication tolerant InP based polarization beam splitter based on p-i-n structure, Optics Express, 25, (9), 2017, p10070-10077
Bello, F. and Page, A.F. and Pusch, A. and Hamm, J.M. and Donegan, J.F. and Hess, O., Combining ϵ-Near-Zero Behavior and Stopped Light Energy Bands for Ultra-Low Reflection and Reduced Dispersion of Slow Light, Scientific Reports, 7, (1), 2017
Wallace, M.J. and Meehan, R.O. and Enright, R. and Bello, F. and Donegan, J.F., Athermal operation of a multi-section laser for optical communications, Optical Fiber Communication Conference OSA Technical Digest, Optical Fiber Communication Conference, Optical Society of America , 2017, ppW2A.3-
Sun, W. and Lu, Q. and Guo, W. and Wallace, M. and Bello, F. and Donegan, J.F., Analysis of high-order slotted surface gratings by the 2-d finite-difference time-domain method, Journal of Lightwave Technology, 35, (1), 2017, p96-102
Harvey A, He X, Godwin I.J, Backes C, McAteer D, Berner N.C, McEvoy N, Ferguson A, Shmeliov A, Lyons M.E.G, Nicolosi V, Duesberg G.S, Donegan J.F, Coleman J.N, Production of Ni(OH)
Zhong C, McCloskey D, Wang J.J, Jennings B.D, Abadia N, Karademir E, Zheng J.-Y, Donegan J.F, Nano-focusing in an air-slot plasmonic waveguide with a tapered grating coupler, 2016 Conference on Lasers and Electro-Optics, CLEO 2016, 2016, 2016
Jennings B.D, Abadia N, Zhong C, Karademir E, McCloskey D, Donegan J.F, Fluorescence imaging of waveguide mode beating and propagation in tapered and bend regions, 2016 Conference on Lasers and Electro-Optics, CLEO 2016, 2016, 2016
Zheng J.-Y, Xu H, Wang J.J, Winters S, Motta C, Karademir E, Zhu W, Varrla E, Duesberg G.S, Sanvito S, Hu W, Donegan J.F, Vertical Single-Crystalline Organic Nanowires on Graphene: Solution-Phase Epitaxy and Optical Microcavities, Nano Letters, 16, (8), 2016, p4754 - 4762
Backes C, Paton K.R, Hanlon D, Yuan S, Katsnelson M.I, Houston J, Smith R.J, McCloskey D, Donegan J.F, Coleman J.N, Spectroscopic metrics allow in situ measurement of mean size and thickness of liquid-exfoliated few-layer graphene nanosheets, Nanoscale, 8, (7), 2016, p4311 - 4323
O'Brien M, McEvoy N, Motta C, Zheng J.-Y, Berner N.C, Kotakoski J, Elibol K, Pennycook T.J, Meyer J.C, Yim C, Abid M, Hallam T, Donegan J.F, Sanvito S, Duesberg G.S, Raman characterization of platinum diselenide thin films, 2D Materials, 3, (2), 2016, p021004-
Zheng J.-Y, Wang J.J, Xu H, Purcell-Milton F, Zhong C, Gun'Ko Y.K, Donegan J.F, Fast and scalable synthesis of lead halide perovskite nanowires for tunable room-temperature nanolasers, 2016 Conference on Lasers and Electro-Optics, CLEO 2016, 2016, 2016
O'Kelly C.J, Fairfield J.A, McCloskey D, Manning H.G, Donegan J.F, Boland J.J, Associative Enhancement of Time Correlated Response to Heterogeneous Stimuli in a Neuromorphic Nanowire Device, Advanced Electronic Materials, 2, (6), 2016, p1500458 -
Kyle E. Ballantine, John F. Donegan, Paul R. Eastham, There are many ways to spin a photon: Half-quantization of a total optical angular momentum, Science Advances, 2, (4), 2016, pe1501748
Zhong, C., Ballantine, K.E., Kervick, C., Smith, C.M., Mullarkey, D., Shvets, I.V., Donegan, J.F., McCloskey, D., Mapping of surface plasmon dispersion in thin Ag-Au layered composite films, Journal of the Optical Society of America B: Optical Physics, 33, (4), 2016, p566-573
David McCloskey, Kyle E. Ballantine, Paul R. Eastham, and John F. Donegan, Photonic nanojets in Fresnel zone scattering from non-spherical dielectric particles, Optics Express, 20, 2015, p26326-
Darcy, R.T., Lunney, J.G., Donegan, J.F., Internal conical diffraction of a top-hat beam, Proceedings of CLEO_QELS 2015, CLEO: QELS - Fundamental Science, CLEO_QELS 2015, San Jose; United States, 10 -15 May 2015 , 2015, pp1551-
Bello, F., Abdullaev, A., Wallace, M., Nawrocka, M., Lu, Q., Guo, W., Donegan, J.F., Traveling wave analysis for a high-order grating, partially slotted laser, IEEE Journal of Quantum Electronics, 51, (11), 2015, 7286713-
Abdullaev, A., Lu, Q., Guo, W., Wallace, M.J., Nawrocka, M., Bello, F., Benson, A., O'Callaghan, J., Donegan, J.F., Improved performance of tunable single-mode laser array based on high-order slotted surface grating, Optics Express, 23, (9), 2015, p12072-12078
Harvey A, Backes C, Gholamvand Z, Hanlon D, Mcateer D, Nerl H.C, Mcguire E, Seral-Ascaso A, Ramasse Q.M, Mcevoy N, Winters S, Berner N.C, Mccloskey D, Donegan J.F, Duesberg G.S, Nicolosi V, Coleman J.N, Preparation of gallium sulfide nanosheets by liquid exfoliation and their application as hydrogen evolution catalysts, Chemistry of Materials, 27, (9), 2015, p3483 - 3493
Fox D.S, Zhou Y, Maguire P, Oneill A, Ã"coileaÃn C, Gatensby R, Glushenkov A.M, Tao T, Duesberg G.S, Shvets I.V, Abid M, Abid M, Wu H.-C, Chen Y, Coleman J.N, Donegan J.F, Zhang H, Nanopatterning and Electrical Tuning of MoS<inf>2</inf> Layers with a Subnanometer Helium Ion Beam, Nano Letters, 15, (8), 2015, p5307 - 5313
R. T. Darcy, J. G. Lunney and J. F. Donegan, Observation of a new interference phenomena in internal conical diffraction, Optics Express, 23, 2015, p11290-
Savateeva, D., Donegan, J.F., Rakovich, Y.P., Anti-stokes emission in whispering gallery mode microcavities with semiconductor quantum dots, International Conference on Transparent Optical Networks, 2015-August, 2015
Abdullaev, A., Lu, Q., Guo, W., (...), O'Callaghan, J., Donegan, J.F., Improved performance of tunable single mode laser array based on non uniformly spaced slots, CLEO: QELS - Fundamental Science, CLEO_QELS 2015, CLEO: QELS - Fundamental Science, CLEO_QELS 2015, San Jose; United States, 10-15 May, 2015, pp1551-
Caridad J.M, McCloskey D, Rossella F, Bellani V, Donegan J.F, Krsti- V, Effective Wavelength Scaling of and Damping in Plasmonic Helical Antennae, ACS Photonics, 2, (6), 2015, p675 - 679
Mathews, I., Abdullaev, A., Lei, S., Enright, R., Wallace, M.J., Donegan, J.F., Reducing thermal crosstalk in ten-channel tunable slotted-laser arrays, Optics Express, 23, (18), 2015, p23380-23393
Nawrocka, M. Lu, Q. Guo, W.-H. Abdullaev, A. Bello, F. O'Callaghan, J. Cathcart, T. Donegan, J.F., Widely tunable six-section semiconductor laser based on etched slots, Optics Express, 22, (16), 2014, p18949 - 18957
R. T. Darcy, D. McCloskey, K. E. Ballantine, J. G. Lunney, P. R. Eastham and J. F. Donegan, Conical diffraction intensity profiles generated using a top-hat input beam, Optics Express, 22, (9), 2014, p11290-
McCloskey, D., Fox, D., O'Hara, N., (...), Zhang, H.Z., Donegan, J.F., Helium ion microscope generated nitrogen-vacancy centres in type Ib diamond, Optics InfoBase Conference Papers , CLEO: Science and Innovations, San Jose, CA; United States, 8-13 June, OSA, 2014, pp106736-
Abdullaev, A. Lu, Q. Guo, W.-H. Nawrocka, M. Bello, F. O'Callaghan, J. Donegan, J.F., Linewidth characterization of integrable slotted single-mode lasers, Photonics Technology Letters, , 26, (22), 2014, p2225 - 2228
Finn, D.J., Lotya, M., Cunningham, G., Smith, R.J., McCloskey, D., Donegan, J.F., Coleman, J.N., Inkjet deposition of liquid-exfoliated graphene and MoS2 nanosheets for printed device applications, Journal of Materials Chemistry C, 2, (5), 2014, p925-932
McCloskey, D. Donegan, J.F., The Cartesian oval as a planar elliptical solid immersion lens , International Conference on Transparent Optical Networks, 2014, 6876329-
Lee, T.-K., Kim, H.-S., Oh, G.-Y., (...), Donegan, J.F., Choi, Y.-W. , Systematic analysis of whispering-gallery modes in planar silicon nitride microdisks, Optics Communications, 322, 2014, p188-197
Backes, C, Smith, RJ, McEvoy, N, Berner, NC, McCloskey, D, Nerl, HC, O'Neill, A, King, PJ, Higgins, T, Hanlon, D, Scheuschner, N, Maultzsch, J, Houben, L, Duesberg, GS, Donegan, JF, Nicolosi, V, Coleman, JN, Edge and confinement effects allow in situ measurement of size and thickness of liquid-exfoliated nanosheets, Nature Communications, 5, 2014, p4576-
McCloskey, D, Fox, D, O'Hara, N, Usov, V, Scanlan, D, McEvoy, N, Duesberg, GS, Cross, GLW, Zhang, HZ, Donegan, JF, Helium ion microscope generated nitrogen-vacancy centres in type Ib diamond, Applied Physics Letters, 104, (3), 2014, p031109-
D. McCloskey, D. Fox, N. O'Hara, V. Usov, D. Scanlan, N. McEvoy, G. S. Duesberg, G. L. W. Cross, H. Z. Zhang and J. F. Donegan, Helium ion microscope generated nitrogen-vacancy centres in type Ib diamond, Applied Physics Letters, 104, 2014, p031109-
Bello, F. Abdullaev, A. Nawrocka, M. Lu, Q.Y. Donegan, J.F., FDTD linewidth characterization for a partially slotted, high-order laser , Proceedings of IEEE Photonics Conference, IPC 2014, IEEE Photonics Conference, IPC 2014, San Diego; United States, 12-16 Oct, 2014, pp455-456
Rakovich, A., Donegan, J.F., Oleinikov, V., (...), Nabiev, I., Rakovich, Y.P. , Linear and nonlinear optical effects induced by energy transfer from semiconductor nanoparticles to photosynthetic biological systems, Journal of Photochemistry and Photobiology C: Photochemistry Reviews, 20, (1), 2014, p17-32
Bello, F., Lu, Q.Y., Abdullaev, A., Nawrocka, M., Donegan, J.F., Linewidth and noise characterization for a partially-slotted, single mode laser, IEEE Journal of Quantum Electronics, 50, (9), 2014, p755-759
Ballantine, KE, Donegan, JF, Eastham, PR, Conical diffraction and the dispersion surface of hyperbolic metamaterials, Physical Review A, 90, (1), 2014, p013803-
Caridad, J.M., McCloskey, D., Donegan, J.F., Krstić, V., Controllable growth of metallic nano-helices at room temperature conditions, Applied Physics Letters, 105, (23), 2014, p233114-
Savateeva, D., Melnikau, D., McCarthy, J.E., (...), Rusakov, K.I., Rakovich, Y.P. , Optical properties of hollow polymer microspheres loaded with semiconductor quantum dots, International Conference on Transparent Optical Networks, International Conference on Transparent Optical Networks , Graz; Austria, 6-10 July, 2014, pp6876653-
Kim, KJ, Son, BH, Burgess, B, Bang, SW, Lee, JW, Park, HH, Park, JH, Kown, YB, Donegan, JF, Choi, YW, Accurate relative position indicator for tracking-based position estimation system, IEICE ELECTRONICS EXPRESS, 11, (4), 2014, p20130939 -
Lu, Q., Guo, W., Abdullaev, A., (...), Callaghan, J.O., Donegan, J.F., 31nm quasi-continuous tuning single mode laser array based on Slots, Optics InfoBase Conference Papers , CLEO: Applications and Technology, CLEO_AT 2014, San Jose, CA; United States, 8-13 June, 2014
Dong, G., Zhang, Y., Donegan, J.F., Zou, B., Song, Y., Multi-Band-Stop Filter for Single-Photon Transport Based on a One-Dimensional Waveguide Side Coupled with Optical Cavities, Plasmonics, 9, (5), 2014, 1085-1089
Darcy, RT, McCloskey, D, Ballantine, KE, Lunney, JG, Eastham, PR, Donegan, JF, Conical diffraction intensity profiles generated using a top-hat input beam, OPTICS EXPRESS, 22, (9), 2014, p11290-11300
Guo, W.-H., Lu, Q., Nawrocka, M., Abdullaev, A., O'Callaghan, J., Donegan, J.F., Nine-channel wavelength tunable single mode laser array based on slots, Optics Express, 21, (8), 2013, p10215-10221
Cunningham, G., Khan, U., Backes, C., Hanlon, D., McCloskey, D., Donegan, J.F., Coleman, J.N., Photoconductivity of solution-processed MoS2 films, .Journal of Materials Chemistry C , 1, (41), 2013, p6899-6904
Rakovich, A., Nabiev, I., Sukhanova, A., Lesnyak, V., Gaponik, N., Rakovich, Y.P., Donegan, J.F., Large enhancement of nonlinear optical response in a hybrid nanobiomaterial consisting of bacteriorhodopsin and cadmium telluride quantum dots, ACS Nano, 7, (3), 2013, p2154-2160
Lu, Q., Guo, W., Abdullaev, A., Nawrocka, M., O'Callaghan, J., Lynch, M., Weldon, V., Donegan, J.F., Tunable single mode laser array based on slots, Proceedings of OFC/NFOEC 2013, 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, Anaheim, CA; United States, 17-21 March, 2013, ppart. no. 6532919
R. T. Darcy, D. McCloskey, K. E. Ballantine, B. D. Jennings, J. G. Lunney, P. R. Eastham and J. F. Donegan, White light conical diffraction, Optics Express, 21, 2013, p20394-
Förster Resonant Energy Transfer in, editor(s)Editors: John Donegan and Yury Rakovich , CdTe Nanocrystal Quantum Dot Structures, M. Lunz and A.L. Bradley, Cadmium Telluride Quantum Dots Advances and Applications, Taylor and Francis, 2013, pp1 - 248, [Bradley, A.L.]
Lu, Q., Guo, W.-H., Nawrocka, M., (...), O'Callaghan, J., Donegan, J.F., Eight-channel slotted single-mode laser array, Optics InfoBase Conference Papers, The European Conference on Lasers and Electro-Optics, CLEO_Europe 2013, Munich, 12-16 May, 2013, pp00-00
Lotya, M., Rakovich, A., Donegan, J.F., Coleman, J.N., Measuring the lateral size of liquid-exfoliated nanosheets with dynamic light scattering, Nanotechnology, 24, (26), 2013, part. no. 265703
Lu, Q., Guo, W., Abdullaev, A., (...), O'Callaghan, J., Donegan, J.F. , Ten-channel wavelength tunable single-mode laser array based on slots, IET Conference Publications, 39th European Conference and Exhibition on Optical Communication, ECOC 2013;, London; United Kingdom, 22-26 Sept, 2013, (622), IET, 2013, pp684-686
Fox, D., Zhou, Y.B., O'Neill, A., Kumar, S., Wang, J.J., Coleman, J.N., Duesberg, G.S., Donegan, J.F., Zhang, H.Z., Helium ion microscopy of graphene: Beam damage, image quality and edge contrast, Nanotechnology, 24, (33), 2013, p335702-
Lu, Q., Abdullaev, A., Nawrocka, M., Guo, W.-H., O'Callaghan, J., Donegan, J.F., Slotted single mode lasers integrated with a semiconductor optical amplifier, IEEE Photonics Technology Letters, 25, (6), 2013, 564-567
McCloskey, D., Donegan, J.F., Planar elliptical solid immersion lens based on a Cartesian oval, Applied Physics Letters, 103, (9), 2013, p091101
Abdullaev, A., Lu, Q., Guo, W.-H., (...), O'Callaghan, J., Donegan, J.F. , Improved performance of slotted single-mode lasers, Optics InfoBase Conference Papers, The European Conference on Lasers and Electro-Optics, CLEO_Europe 2013, Munich, 12-16 May, 2013, pp00-00
Fox, D., Zhou, Y.B., O'Neill, A., Kumar, S., Wang, J.J., Coleman, J.N., Duesberg, G.S., (...), Zhang, H.Z., Helium ion microscopy of graphene: Beam damage, image quality and edge contrast, Journal of Nanotechnology, 24, (33), 2013, part. no. 335702
Bello, F., Lu, Q., Abdullaev, A., Nawrocka, M., Donegan, J.F., Linewidth and threshold calculations for a slotted, Fabry-Perot semiconductor laser, Proceedings of 13th International Conference on Numerical Simulation of Optoelectronic Devices, 13th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2013, Vancouver, BC; Canada, 19-22 August, 2013, pp93-94
Hanley, C.A., McCarthy, J.E., Purcell-Milton, F., (...), Rakovich, Y.P., Gun'Ko, Y.K., Preperation and investigation of quantum-dot-loaded hollow polymer microspheres, Journal of Physical Chemistry C, 117, (46), 2013, p24527-24536
Nawrocka, M., Lu, Q., Guo, W.-H., (...), O'Callaghan, J., Donegan, J.F., Widely-tunable five-section slotted lasers, Optics InfoBase Conference Papers, The European Conference on Lasers and Electro-Optics, CLEO_Europe 2013, Munich, 12-16 May, 2013, pp00-00
Denis Weaire, John F Donegan and Petros S Florides, Unknown Genius, Physics World, December, 2012, p26-30
Weldon, V., Pineda-Vadillo, P., Lynch, M., Phelan, R., Donegan, J.F., A novel discrete mode narrow linewidth laser diode for spectroscopic based gas sensing in the 1.5 μm region, Applied Physics B: Lasers and Optics, 109, 2012, p433-440
Lu, QY, Guo, WH, Abdullaev, A, Nawrocka, M, Huynh, TN, O'Callaghan, J, Lynch, M, Weldon, V, Barry, LP, Donegan, JF, Two-section singlemode lasers based on slots suitable for photonic integration, Electronics Letters, 48, (15), 2012, p945-946
Phelan, CF, Ballantine, KE, Eastham, PR, Donegan, JF, Lunney, JG, Conical diffraction of a Gaussian beam with a two crystal cascade, Optics Express, 20, (12), 2012, p13201-13207
McCloskey, D, Wang, JJ, Donegan, JF, Low divergence photonic nanojets from Si3N4 microdisks, Optics Express, 20, (1), 2012, p128-140
O'Dwyer, DP, Ballantine, KE, Phelan, CF, Lunney, JG, Donegan, JF, Optical trapping using cascade conical refraction of light, Optics Express, 20, 2012, p21119-21125
Lu, Q., Guo, W., Abdullaev, A., Nawrocka, M., O'Callaghan, J., Lynch, M., Weldon, V., Donegan, J.F, Integrable single mode lasers based on slotss, Conference Digest - IEEE International Semiconductor Laser Conference, 23rd IEEE International Semiconductor Laser Conference, ISLC 2012, San Diego, CA; United States, 7-10 Oct, 7, (3), 2012, pp102-103
Lu, Q., Guo, W., Abdullaev, A., Nawrocka, M., O'Callaghan, J., Lynch, M., Weldon, V., Donegan, J.F, High-yield two-section single mode lasers based on a 37th order surface grating, Conference on Lasers and Electro-Optics, CLEO 201, San Jose, C, May 6 -11, IEEE, 2012, pp6326148
Lu, Q., Guo, W., Abdullaev, A., Nawrocka, M., O'Callaghan, J., Lynch, M., Weldon, V., Donegan, J.F., Re-growth free single mode lasers based on slots suitable for photonic integration, International Conference on Transparent Optical Networks, 14th International Conference on Transparent Optical Networks, ICTON , Coventry, 2-5 July, 2012, pp6254431
O'Callaghan, J.R., Roycroft, B., Guo, W.-H., Lu, Q.-Y., Daunt, C.L., Thomas, K., Pelucchi, E., (...), Corbett, B., Slotted tunable laser with monolithic integrated mode coupler , Conference Proceedings - International Conference on Indium Phosphide and Related Materials, International Conference on Indium Phosphide and Related Materials, Santa Barbara, CA, 27-30 August, IEEE, 2012, pp273-276
Flood, E, Guo, WH, Smyth, JF, Lynch, M, Bradley, AL, Barry, LP, Donegan, JF, Dual Polarization Interferometric In-Band OSNR Measurement, IEEE Photonics Technology Letters, 24, (11), 2012, 873-875
Yang, H., Morrissey, P., Luc, Q.Y., Cotter, W., Daunt, C.L.L.M., O'Callaghan, J., Guo, W.H., Han, W., Donegan, J.F., Corbett, B., Peters, F.H., Single facet slotted fabry-perrot laser and its application in photonic integrated circuits, Proceedings of SPIE - The International Society for Optical Engineering, 8552, 2012
Oleinikov, V., Bouchonville, N., Sukhanova, A., Molinari, M., Sizova, S., Mochalov, K., Chistyakov, A., (...), Nabiev, I., Extension of the spectral range of bacteriorhodopsin functional activity by energy transfer from quantum dots, Proceedings of SPIE - The International Society for Optical Engineering, Nanobiosystems: Processing, Characterization, and Applications V, San Diego, CA, 12-15 August, 8464, SPIE, 2012, pp84640Z
Guo, WH, Lu, QY, Nawrocka, M, Abdullaev, A, O'Callaghan, J, Lynch, M, Weldon, V, Donegan, JF, Integrable Slotted Single-Mode Lasers, IEEE Photonics Technology Letters, 24, (8), 2012, p634-636
Rakovich, YP, Jackel, F, Donegan, JF, Rogach, AL, Semiconductor nanowires self-assembled from colloidal CdTe nanocrystal building blocks: optical properties and application perspectives, Journal of Materials Chemistry, 22, (39), 2012, 20831-20839
Edward Hutchinson Synge (1890-1957) - a fragmentary life in, editor(s)Donegan JF, Weaire D, Florides P , Hutchie - The life and works of Edward Hutchinson Synge, Poellauberg, Austria, Living Edition, 2012, pp1-49 , [Petros S Florides, Denis Weaire and John F Donegan]
McCloskey, D., Donegan, J.F., Light scattering from silicon nitride microdisks, International Conference on Transparent Optical Networks, International Conference on Transparent Optical Networks, Coventry, 2-5 July, IEEE, 2012, 6253732
Lu, QY, Guo, WH, Nawrocka, M, Abdullaev, A, Daunt, C, O'Callaghan, J, Lynch, M, Weldon, V, Peters, F, Donegan, JF, Single mode lasers based on slots suitable for photonic integration, Optics Express, 19, (26), 2011, B140-B145
C. F. Phelan, J. F. Donegan, and J. G. Lunney, Generation of a radially polarized light beam using internal conical diffraction, Optics Express, 19, (22), 2011, p21793-21802
Sukhanova, A., Bouchonville, N., Rakovich, A., Molinari, M., Rakovich, Y.P., Donegan, J.F., Troyon, M., Oleinikov, V.A., Artemyev, M., Nabiev, I., Energy transfer from quantum dots improves proton pumping and photovoltaic proprieties of membrane protein bacteriorhodopsin within the QD/bacteriorhodopsin hybrid material, ACS National Meeting Book of Abstracts, 2011
McCloskey, D., Donegan, J.F., Silicon nitride microdisks in the visible range, Proceedings of the 3th International Conference on Transparent Optical Networks, International Conference on Transparent Optical Networks, Stockholm, 28-30 June, 2011, pp5971052
Wang, J.J., McCloskey, D., Donegan, J.F., Optimization of parameters of photonic nanojet generated by dielectric microsphere for laser nanojet SNOM, Proceedings of SPIE - The International Society for Optical Engineering, 7th International Symposium on Precision Engineering Measurements and Instrumentation, Lijiang, 7-11 August, 8321 , 2011, pp83213Z
Lu, Q., Guo, W.-H., Nawrocka, M., Abdullaev, A., Lynch, M., Weldon, V., Donegan, J.F, Slotted single-mode lasers for monolithic photonic integration, Proceedings of the 37th European Conference on Optical Communication and Exhibition, 37th European Conference on Optical Communication and Exhibition, Geneva, edited by 18-22 Sept , 2011, pp6066092
Phelan, C.F., Winfield, R.J., O'Dwyer, D.P., Rakovich, Y.P., Donegan, J.F., Lunney, J.G., Two-photon polymerisation of novel shapes using a conically diffracted femtosecond laser beam, Optics Communications, 284, (14), 2011, p3571-3574
Rakovich, A., Sukhanova, A., Lukashev, E., Zagidullin, V., Pachenko, V., Rubin, A.B., Rakovich, Y.P., Govorov, A.O., Nabiev, I., Donegan, J.F., Semiconductor quantum dots as light-harvesting antennae for artificial photosynthesis applications, ACS National Meeting Book of Abstracts, 2011
O'Dwyer, D.P., Phelan, C.F., Ballantine, K.E., Rakovich, Y.P., Lunney, J.G., Donegan, J.F., An optical trap based on conical refraction of light, Proceedings of SPIE - The International Society for Optical Engineering, Optical Trapping and Optical Micromanipulation VII, San Diego, CA, 21-25 August, 8097, SPIE, 2011, pp80971I
Donegan, KP, Godsell, JF, Tobin, JM, O'Byrne, JP, Otway, DJ, Morris, MA, Roy, S, Holmes, JD, Microwave-assisted synthesis of icosahedral nickel nanocrystals, CrystEngComm , 13, (6), 2011, p2023-2028
Qiaoyin Lu, Weihua Guo, Marta Nawrocka, Azat Abdullaev, Chris Daunt, James O'Callaghan, Michael Lynch, Vincent Weldon, Frank Peters, and John F. Donegan, Single mode lasers based on slots suitable for photonic integration , Optics Express, 19, (26), 2011, pB140-B145
Guo, W.-H., Byrne, D.C., Lu, Q., Corbett, B., Donegan, J.F., The full characterization of Fabry-Pérot lasers using the Fourier series expansion method, International Conference on Transparent Optical Networks, International Conference on Transparent Optical Networks, Stockholm, 28-30 June, IEEE, 2011, pp5970826
Pineda-Vadillo, P, Lynch, M, Charlton, C, Tessarin, S, Donegan, JF, Weldon, V, Laser diode linewidth measurement using high-Q spherical microresonators, Electronics Letters, 47, (2), 2011, p129-130
Guo, W.-H., Byrne, D.C., Lu, Q., Corbett, B., Donegan, J.F., Fabry-pérot laser characterization bnased on the amplified spontaneous emission spectrum and the fourier series expansion method, IEEE Journal on Selected Topics in Quantum Electronics, 17, (5), 2011, p1356-1363
O'Dowd, JA, Guo, WH, Flood, E, Lynch, M, Bradley, AL, Kilper, DC, Donegan, JF, Polarisation dependence of two-photon absorption generated by band-limited amplified spontaneous emission noise in silicon avalanche photodiodes, Electronics Letters, 47, (25), 2011, p1390-1391
O'Callaghan, J.R., Roycroft, B., Guo, W.-H., Lu, Q.Y., Daunt, C., Donegan, J., Peters, F.H., Corbett, B., Refractive index contributions to phase shifting in InP based 30 GHz bandwidth n-i-n mach-zehnder modulators, Conference Proceedings - International Conference on Indium Phosphide and Related Materials, International Conference on Indium Phosphide and Related Materials, Berlin, 22-26 May, SPIE, 2011, pp5978287
Coleman, JN, Lotya, M, O'Neill, A, Bergin, SD, King, PJ, Khan, U, Young, K, Gaucher, A, De, S, Smith, RJ, Shvets, IV, Arora, SK, Stanton, G, Kim, HY, Lee, K, Kim, GT, Duesberg, GS, Hallam, T, Boland, JJ, Wang, JJ, Donegan, JF, Grunlan, JC, Moriarty, G, Shmeliov, A, Nicholls, RJ, Perkins, JM, Grieveson, EM, Theuwissen, K, McComb, DW, Nellist, PD, Nicolosi, V, "Two-Dimensional Nanosheets Produced by Liquid Exfoliation of Layered Materials", Science, 331, (6017), 2011, p568-571
D. O'Dwyer, C. F. Phelan, Y. Rakovich, P. R. Easthan, J. G. Lunney and J. F. Donegan, The creation and annihilation of optical vortices using cascade conical diffraction, Optics Express, 19, (3), 2011, p2580 - 2588
Nabiev, I, Rakovich, A, Sukhanova, A, Lukashev, E, Zagidullin, V, Pachenko, V, Rakovich, YP, Donegan, JF, Rubin, AB, Govorov, AO, Fluorescent Quantum Dots as Artificial Antennas for Enhanced Light Harvesting and Energy Transfer to Photosynthetic Reaction Centers, Angewandte Chemie - International Edition, 49, (40), 2010, p7217-7221
Rakovich, Y.P. , Donegan, J.F., Photonic atoms and molecules, Laser and Photonics Reviews, 4, (2), 2010, p179-191
Yang, YD, Huang, YZ, Guo, WH, Lu, QY, Donegan, JF, Enhancement of quality factor for TE whispering-gallery modes in microcylinder resonators, Optics Express, 18, (12), 2010, p13057-13062
Lu, QY, Guo, WH, Byrne, D, Donegan, JF, Leaky Modes Analysis in Very Deeply Etched Semiconductor Ridge Waveguides, IEEE Photonics Technology Letters, 22, (6), 2010, p407-409
Lu, Qiaoyin; Guo, Wei-Hua; Byrne, Diarmuid; Donegan, John F. , Design of Slotted Single-Mode Lasers Suitable for Photonic Integration, IEEE PHOTONICS TECHNOLOGY LETTERS , 22, (1), 2010, p787-789
Flood, E, Guo, WH, Reid, D, Lynch, M, Bradley, AL, Barry, LP, Donegan, JF, In-band OSNR monitoring using a pair of Michelson fiber interferometers, Optics Express, 18, (4), 2010, p3618-3625
O'Dwyer, DP, Phelan, CF, Rakovich, YP, Eastham, PR, Lunney, JG, Donegan, JF, Generation of continuously tunable fractional optical orbital angular momentum using internal conical diffraction, Optics Express, 18, (16), 2010, p16480-16485
Mahmoud W., Sukhanova A., Oleinikov V., Rakovich Y.P., Donegan J.F., Pluot M., Cohen J.H.M., Volkov Y., Nabiev I., Emerging Applications of Fluorescent Nanocrystals Quantum Dots for Micrometastases Detection, Proteomics, 10, (4), 2010, p700 - 716
Lu, QY, Guo, WH, Byrne, DC, Donegan, JF, Compact 2-D FDTD Method Combined With Pad Approximation Transform for Leaky Mode Analysis, JOURNAL OF LIGHTWAVE TECHNOLOGY, 28, (11), 2010, p1638-1645
Byrne, DC, Guo, WH, Lu, QY, Corbett, B, Donegan, JF, Technique to calculate geometric spontaneous emission factor from amplified spontaneous emission spectrum of FP semiconductor laser, Electronics Letters, 46, (14), 2010, p1017-1019
Rakovich, A, Savateeva, D, Rakovich, T, Donegan, JF, Rakovich, YP, Kelly, V, Lesnyak, V, Eychmuller, A, CdTe Quantum Dot/Dye Hybrid System as Photosensitizer for Photodynamic Therapy, Nanoscale Research Letters, 5, (4), 2010, p753-760
Flood, E., Guo, W.H., Reid, D., Lynch, M., Bradley, A.L., Barry, L.P., Donegan, J.F., OSNR monitoring using two fibre interferometers, Proceedings of the Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference, Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS, San Jose, 16-21 May, 2010, pp5500451-
D. O'Dwyer, C. Phelan, Y. Rakovich, P. R. Eastham, J. G. Lunney and J. F. Donegan, Generation of continuously tuneable fractional optical orbital angular momentum using internal conical diffraction, Optics Express, 18, (16), 2010, p16480 - 16485
Wang, J.J., Kirkham, J., Donegan, J., Smith, D.A., High resolution imaging of actin filaments in living cells under physilogically relevant conditions using apertureless near-field microscopy, Journal of Nanoscience and Nanotechnology, 10, (11), 2010, 7489-7493
Flood, E.; Guo, W.H.; Reid, D.; Lynch, M.; Bradley, A.L.; Barry, L.P.; Donegan, J.F.; , Interferometer based in-band OSNR monitoring of single and dual polarisation QPSK signals, 36th European Conference and Exhibition on Communication (ECOC), 2010 , Turin, 19-23 September, IEEE Computer Society, 2010
McCloskey, D., Rakovich, Y.P., Donegan, J.F., Controlling the properties of Photonic Jets, Proceedings of 12th International Conference on Transparent Optical Networks, ICTON , 12th International Conference on Transparent Optical Networks, ICTON , Munich, 27 June- 1 July, 2010, pp5548948
Rakovich A, Savateeva D, Rakovich T, Donegan JF, Rakovich YP, Kelly VP, Lesnyak V, Eychmuller A , CdTe Quantum Dot/Dye Hybrid System as Photosensitizer for Photodynamic Therapy, Nanoscale Research Letters, 1931, 2010, p7573 - 7585
O'Dowd, J, Guo, WH, Lynch, M, Flood, E, Bradley, AL, Donegan, JF, Description of polarisation dependence of two-photon absorption in silicon avalanche photodiodes, ELECTRONICS LETTERS, 46, (12), 2010, p854 - 856
Reid, DA, Bondarczuk, K, Dexter, KJ, Shi, K, Anandarajah, PM, Barry, LP, Guo, WH, O'Dowd, J, Lynch, M, Bradley, AL, Donegan, JF, Two-Photon-Absorption-Based OSNR Monitor for NRZ-PSK Transmission Systems, IEEE Photonics Technology Letters, 22, (5), 2010, p275-277
Zhang, J., Lutich, A.A., Susha, A.S., Döblinger, M., Rakovich, Y.P., Volkov, Y., Donegan, J.F., (...), Rogach, A.L., Solution-grown CdTe nanowires: Self-assembly, optical properties and strong temperature dependent electronic coupling , Proceedings of the INEC 2010 - 2010 3rd International Nanoelectronics Conference, 3rd International Nanoelectronics Conference, 3-8 Jan, Hong kong, 2010, pp1317-1318
Rakovich A, Rakovich T, Kelly VP, Lesnyak V, Eychmüller A, Rakovich YP, Donegan JF, Photosensitizer methylene blue-semiconductor nanocrystals hybrid system for photodynamic therapy., Journal of nanoscience and nanotechnology, 10, (4), 2010, p2656-2662
Rakovich, A, Sukhanova, A, Bouchonville, N, Lukashev, E, Oleinikov, V, Artemyev, M, Lesnyak, V, Gaponik, N, Molinari, M, Troyon, M, Rakovich, YP, Donegan, JF, Nabiev, I, Resonance Energy Transfer Improves the Biological Function of Bacteriorhodopsin within a Hybrid Material Built from Purple Membranes and Semiconductor Quantum Dots, Nano Letters, 10, (7), 2010, p2640-2648
Rakovich, YP, Gerlach, M, Donegan, JF, Rusakov, KI, Gladyshchuk, AA, Mode manipulation in system of coupled microcavities with whispering gallery modes, Optics and Spectroscopy (English translation of Optika i Spektroskopiya), 108, (3), 2010, p385-390
D. O'Dwyer, C. F. Phelan, K. E. Ballantine, Y. Rakovich, J. G. Lunney and J. F. Donegan, Conical diffraction of linearly polarised light controls the angular position of a microscopic object, Optics Express, 18, (26), 2010, p27319 - 27326
O'Dowd, J, Guo, WH, Lynch, M, Bradley, AL, Donegan, JF, Acceptance Angle Influence on the Optimum Incident Spot Size for High-Finesse Microcavity Two-Photon Absorption Photodetectors, IEEE Journal of Quantum Electronics, 45, (12), 2009, p1584-1589
Aliaksandra Rakovich, Alyona Sukhanova, Nicolas Bouchonville, Michael Molinari, Michel Troyon, Jacques H. M. Cohen, Yury Rakovich, John F. Donegan, and Igor Nabiev , Energy transfer processes in semiconductor quantum dots: bacteriorhodopsin hybrid system , Proceedings of SPIE, Photonic Materials, Devices, and Applications III , Dresden, Germany , 4 May 2009, edited by Ali Serpenguzel , 736620, 2009
Lu QY, Guo WH, Byrne D, et al. , Analysis of leaky modes in deep-ridge waveguides using the compact 2D FDTD method, Electronics Letters, 45, (13), 2009, p700-701
Byrne, DC, Guo, WH, Lu, QY, Donegan, JF, Broadband reflection method to measure waveguide loss, Electronics Letters, 45, (6), 2009, p322-324
Lu, Q., Guo, W., Byrne, D., Donegan, J.F., Low Vπ high-speed GaAs travelling-wave electrooptic phase modulators using an n-i-p-n structure, , European Conference on Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference (CLEO Europe - EQEC 2009) , Munich, 14 June, IEEE, 2009, pp5194744
Pineda-Vadillo, P., Lynch, M., Charlton, C., Donegan, J.F., Weldon, V., Non-resonant wavelength modulation saturation spectroscopy in acetylene-filled hollow-core photonic bandgap fibres applied to modulationfree laser diode stabilisation , Optics Express, 17, (25), 2009, p23309-23315
J. O'Dowd, W.-H. Guo, M. Lynch, A. L. Bradley and J.F. Donegan,, Acceptance angle influence on optimum incident spot size for high-finesse microcavity two-photon absorption photodetectors, IEEE Jourrnal of Quantum Electronics, 45, (12), 2009, p1584 - 1589
Aliaksandra Rakovich, Yury P. Rakovich, and John F. Donegan, Optical studies of the methylene blue-semiconductor nanocrystals hybrid system , e-Journal of Surface Science and Nanotechnology, 7, 2009, p349-353
C.F. Phelan, D. P. O'Dwyer, Y. P. Rakovich, J. F. Donegan and J. G. Lunney, Conical diffraction and Bessel beam formation with a high optical quality biaxial crystal, Optics Express, 17, (15), 2009, p12891 - 12898
Guo, W., Reid, D., O'Dowd, J., Barry, L., Donegan, F.J., Novel optical pulse characterization technique using sinusoidal optical phase modulation with a broad usable modulation amplitude range , European Conference on Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference (CLEO Europe - EQEC 2009), Munich, 14-19 June, IEEE, 2009, pp5196374
Rakovich, Y.P., McCloskey, D., Donegan, J.F., Photonic nanojets in coupled microcavities , European Conference on Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference (CLEO Europe - EQEC 2009), Munich, 14-19 June, IEEE, 2009, pp5191625
K. Bondarczuk, P. J. Maguire, D. Reid, L. P. Barry, J. O'Dowd, W. H. Guo, M. Lynch, A. L. Bradley, and J. F. Donegan, Chromatic dispersion monitoring for high-speed WDM systems using two-photon absorption in a semiconductor microcavity, IEEE Journal of Quantum Electronics, 45, (1), 2009, p90-99
Rakovich, Y.P., Donegan, J.F., Vasilevskiy, M.I., Rogach, A.L., Anti-Stokes cooling in semiconductor nanocrystal quantum dots: A feasibility study, Physica Status Solidi (A) Applications and Materials , 206, (11), 2009, p2497-2509
Bondarczuk, K, Maguire, PJ, Reid, DA, Barry, LP, O'Dowd, J, Guo, WH, Lynch, M, Bradley, AL, Donegan, JF, Chromatic Dispersion Monitoring for High-Speed WDM Systems Using Two-Photon Absorption in a Semiconductor Microcavity, IEEE Journal of Quantum Electronics, 45, (3), 2009, p223-232
Byrne DC, Engelstaedter JP, Guo WH, et al, Discretely Tunable Semiconductor Lasers Suitable for Photonic Integration , IEEE Journal of Selected Topics in Quantum Electronics,, 15, (3), 2009, p482-487
Byrne, D. Lu, Q. Guo, W. H. Donegan, J. F. Corbett, B. Roycroft, B. Lambkin, P. Engelstaedter, J-P Peters, F. , A facetless laser suitable for monolithic integration , Proceedings of the Conference on Optical Fiber communication/National Fiber Optic Engineers Conference, 2008. OFC/NFOEC 2008. , Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference, San Jose, CA, 24-28 Feb, 1-9, IEEE, 2008, pp2173-2174
L.P. Barry, K. Bondarezuk, K.J. Dexter, P.J. Magure, D.A. Reid, J. O'Dowd, W.H. Guo, M. Lynch, A.L. Bradley and J.F. Donegan, All-optical pulse processing for advanced photonic communication system, Proceedings of the 10th Anniversary International Conference on : Transparent Optical Networks, 2008. ICTON 2008. , 10th International Conference on Transparent Optical Networks, 22-26 June 2008, 2, IEEE, 2008, pp92 - 95
Guo, W.H. Byrne, D. Lu, Q.Y. Donegan, J.F., Waveguide Loss Measurement Using the Reflection Spectrum, Photonics Technology Letters, 20, (1685), 2008, p1423-1425
Phelan, R. Wei-Hua Guo Qiaoyin Lu Byrne, D. Roycroft, B. Lambkin, P. Corbett, B. Smyth, F. Barry, L.P. Kelly, B. O'Gorman, J. Donegan, J.F. , A novel two-section tunable discrete mode Fabry-Perot laser exhibiting nanosecond wavelength switching , IEEE Journal of Quantum Electronics, 44, (3-4), 2008, p331-337
Donegan JF, Gerlach M, Rakovich YP, Symmetric photonic molecules formed from coupled microspheres, Proceedings of the Conference on Laser Resonators and Beam Control X, Conference on Laser Resonators and Beam Control X, San Jose, CA, Jan 21-22, 6872, SPIE, 2008, ppI8720-I8720
Wei-Hua Guo; O'Dowd, J.; Flood, E.; Quinlan, T.; Lynch, M.; Bradley, A.L.; Donegan, J.F.; Bondarczuk, K.; Maguire, P.J.; Barry, L.P., Suppression of Residual Single-Photon Absorption Relative to Two-Photon Absorption in High Finesse Planar Microcavities, IEEE Photonics Technology Letters, 20, (16), 2008, p1426 - 1428
Dowd JO, Guo WH, Flood E, et al., Polarization dependence of a GaAs-based two-photon absorption microcavity photodetector , Optics Express, 16, (22), 2008, p17682-17688
Philippe S, Lynch M, Donegan JF , Polarization dependent gain in Pr3+/Yb3+ doped fluoride fibre , Proceedings of the 10th International Conference on Transparent Optical Networks, 10th International Conference on Transparent Optical Networks, Athens, Greece, Jun 22-26, 3, 2008, pp223-226
Conroy J, Byrne SJ, Gun'ko YK, Rakovich YP, Donegan JF, Davies A, Kelleher D, Volkov Y., CdTe Nanoparticles Display Tropism to Core Histones and Histone-Rich Cell Organelles, Small, 4, (11), 2008, 2006-2015
J. O'Dowd, W.H. Guo, E. Flood, M. Lynch, A.L. Bradley, J.F. Donegan and L.P. Barry, Temperature tuning of two-photon absorption microcavity photodetectors for wavelength selective pulse monitoring, Electronics Letters, 44, (16), 2008, p989 - 991
Bondarczuk K, Dexter KJ, Maguire PJ, et al., All-optical chromatic dispersion monitoring and multiple access interference reduction via. two-photon absorption, Proceedings of the China-Ireland International Conference on Information and Communications Technologies (CIICT 2008) , 3rd China-Ireland International Conference on Information and Communications Technologies, Beijing, Sept 26-28, IEL, 2008, pp657-660
Rakovich YP, Gerlach M, Donegan JF, Mode manipulation in small microsphere systems , Proceedings of the 10th International Conference on Transparent Optical Networks, 10th International Conference on Transparent Optical Networks, Athens, Greece, June 22-26, 4, 2008, 23-26
Byrne, D. Lu, Q. Guo, W. H. Donegan, J. F. Corbett, B. Roycroft, B. Lambkin, P. Engelstaedter, J-P Peters, F. , A facetless laser suitable for monolithic integration , Proceedings of the Conference on Optical Fiber communication/National Fiber Optic Engineers Conference, 2008. OFC/NFOEC 2008. , Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference, San Jose, CA, 4-9 May, 1-9, IEEE, 2008, pp2173-2174
Bondarczuk K, Maguire PJ, Barry LP, J. O'Dowd, W.H. Guo, M. Lynch, A.L. Bradley and J.F. Donegan, High-Speed Chromatic Dispersion Monitoring of a Two-Channel WDM System using a single TPA Microcavity, Proceedings of 2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS, 2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS, San Jose, CA, MAY 04-09, IEEE Lasers and Electro-Optics Society, 2008, pp805-806
David McInerney, Michael Lynch, John F. Donegan, and Vincent Weldon, Mode referencing of an external cavity diode laser for continuous frequency stabilization , Optical Engineering, 47, (2), 2008, p024301
O'Dwyer, D., Phelan, C., Rakovich, Y., Cizmar, T., Dholakia, K., Donegan, J.F., Lunney, J.G., Polarisation distribution for internal conical diffraction and the superposition of zero and first order bessel beams , Proceedings of SPIE - The International Society for Optical Engineering , 7062, 2008, p70620W
Guo WH, O'Dowd J, Lynch M, A.L. Bradley, J.F. Donegan, L.P. Barry and D.C. Kilper, Two-photon absorption generated by optically amplified signals, Electronics Letters, 44, (18), 2008, p1087-1088
Rakovich, Y.P., Donegan, J.F., Anti-Stokes photoluminescence in semiconductor nanocrystal quantum dots, Semiconductor Nanocrystal Quantum Dots: Synthesis, Assembly, Spectroscopy and Applications, 2008, p257-275
Qiaoyin Lu Weihua Guo Byrne, D. Donegan, J.F. , Design of Low V-pi High-Speed GaAs Travelling-Wave Electrooptic Phase Modulators Using an n-i-p-n Structure , IEEE Photonics Technology Letters, 20, (21), 2008, p1805-1807
John Donegan, R. Alan Moore, Yury Rakovich, Yurii Gun'ko, Whispering-gallery modes in photonic tubes, SPIE Newsroom, 2007, p1-3
Roycroft, B. Lambkin, P. Riesner, S. Corbett, B. Donegan, J. F. , Transition from perturbed to coupled-cavity behaviour with asymmetric spectral emission in ridge laser emitting at 1.55 um, Photonics Technology Letters, IEEE, 19, (2), 2007, p58-60
W.H. Guo,. J. O'Dowd, M. Lynch, A.L. Bradley, J.F. Donegan, and L.P.Barry, Influence of cavity lifetime on high-finesse microcavity two-photon absorption photodetectors , IEEE Photonics Technology Letters, 19, (6), 2007, p432-434
Yury P. Rakovich, Yuri Volkov, Sameer Sapra, Andrei S. Susha, Markus Döblinger, John F. Donegan, and Andrey L. Rogach, CdTe Nanowire Networks: Fast Self-Assembly in Solution, Internal Structure and Optical Properties, Journal of Physical Chemistry C, 111, (51), 2007, p18927-18931
D. Byrne, W.H. Guo, R. Phelan, Q.Y. Lu, J.F. Donegan and B. Corbett, Measurement of linewidth enhancement factors for InGaAlAs and InGaAsP Fabry-Perot Laser Diodes by the Fourier Series Expansion Method , Electronics Letters , 43, (21), 2007, p1145-1146
Y. P. Rakovich, Y. Gun'ko, N. Gaponik, A. L. Rogach, Y. Volkov, and J. F. Donegan , Highly emissive CdTe nanowires grown in a phosphate buffer solution: FLIM imaging and spectroscopic studies , Proceedings of SPIE, ICONO 2007: Novel Photonics Materials; Optics and Optical Diagnostics of Nanostructures, edited by Oleg A. Aktsipetrov, Vladimir M. Shalaev, Sergey V. Gaponenko, Nikolay I. Zheludev , 6728, 2007, pp672805
Y.P.,Rakovich, S. Balakrishnan, Y. Gun'ko T.S. Perova, A. Moore, and J.F. Donegan, Amplified spontaneous emission from a microtube cavity with whispering gallery modes, Proceedings of SPIE - The International Society for Optical Engineering, Photonic Materials, Devices, and Applications II, 6593, 2007, pp65932G
Andrey L. Rogach, Thomas Franzl, Thomas A. Klar, and Jochen Feldman, Nikolai Gaponik, Alexey Shavel, and Alexander Eychmüller, Yuri P. Rakovich and John F. Donegan, Aqueous Synthesis of Thiol-Capped CdTe Nanocrystals: State-of-the-Art , Journal of Physical Chemistry C , 111, (40), 2007, p14628-14637
Y.P. Rakovich, M. Gerlach, A.L. Bradley, J.F. Donegan, T. Connolly, J.J. Boland, N. Gaponik and A.L. Rogach, Photonic molecules modes in resonantly coupled spherical microcavities with semiconductor nanocrystals, Proceedings of SPIE - The International Society for Optical Engineering,, ICONO 2007: Novel Photonics Materials; Optics and Optical Diagnostics of Nanostructures, edited by Oleg A. Aktsipetrov, Vladimir M. Shalaev, Sergey V. Gaponenko, Nikolay I. Zheludev , 6728, SPIE, 2007, pp67282Q
M. Gerlach, Y.P. Rakovich and J.F. Donegan, Mode splitting induced by radiation pressure in a spherical microcavity', Proceedings of International Conference on Transparent Optical Networks , International Conference on Transparent Optical Networks , IEEE, 2007, pp83-86
K.I. Rusakov, A.A. Gladyshchuk, Y.P. Rakovich, J.F. Donegan, S. Balakrishnan, Y. Gun'ko, R.A. Moore, Whispering gallery mode emission from microtube cavity, Optics and Spectroscopy, 103, (N3), 2007, p360-365
K. Bondarczuk, P.J. Maguire, L.P. Barry, J. O'Dowd, W.H. Guo, M. Lynch, A.L. Bradley, J.F. Donegan and H. Folliot, Chromatic dispersion monitoring of 80 Gbps OTDM data signal via two-photon absorption in a semiconductor microcavity, IEEE Photonics Technology Letters , 19, (1), 2007, p21-23
Y.P. Rakovich and J.F. Donegan, Optically switchable emission of CdTe nanocrystals , Semiconductor Science and Technology, 22, 2007, p145-148
Igor Nabiev, Siobhan Mitchell, Anthony Davies, Yvonne Williams, Dermot Kelleher, Richard Moore, Yurii K. Gun'ko, Stephen Byrne, Yury P. Rakovich, John F. Donegan, Alyona Sukhanova, Jennifer Conroy, David Cottell, Nikolai Gaponik, Andrey Rogach and Yuri Volkov, Non-Functionalized Nanocrystals Can Exploit a Cell's Active Transport Machinery Delivering Them to Specific Nuclear and Cytoplasmic Compartments, NanoLetters , 7, 2007, p3452-3461
Y.P.Rakovich, S. Balakrishnan, Y. Gun'ko T.S. Perova, A. Moore, and J.F. Donegan, Spontaneous emission enhancement in a microtube cavity with highly confined optical modes' , Proceedings of SPIE - The International Society for Optical Engineering, ICONO 2007: Novel Photonics Materials; Optics and Optical Diagnostics of Nanostructures, edited by Oleg A. Aktsipetrov, Vladimir M. Shalaev, Sergey V. Gaponenko, Nikolay I. Zheludev , 6728, SPIE, 2007, pp672806
J.F. Donegan, Y.P. Rakovich, Y. Gun'ko, R. A. Moore, Confined modes in photonic microtube structures., Proceedings of SPIE 2007 Laser Resonators and Beam Control IX, SPIE 2007, edited by A.V. Kudryashov, A.H. Paxton, and V.S. Ilchenko , 6452, SPIE , 2007, pp64520Y
Y. K. Gun'ko, S. Balakrishnan, J. E. McCarthy, Y. P. Rakovich, J. F. Donegan, T. S. Perova, and V. Melnikov, New optical cylindrical microresonators, Electro-Optical Remote Sensing, Detection, and Photonic Technologies and Their Applications, Florence, Italy , 18 September 2007, edited by Gary W. Kamerman, Ove K. Steinvall, Keith L. Lewis, Keith A. Krapels, John C. Carrano, Arturas Zukauskas , 6739, 2007, pp67391F(1-9)
R. Phelan, W.H. Guo, Q.Y. Lu, D. Byrne, B. Roycroft, P. Lambkin, B. Corbett and J.F. Donegan, A novel two-section tunable slotted Fabry-Perot laser exhibiting ns wavelength switching , Proceedings of International Conference on Transparent Optical Networks (ICTON), 2007, p124-127
Nabiev, I, Mitchell, S, Davies, A, Williams, Y, Kelleher, D, Moore, R, Gun'ko, YK, Byrne, S, Rakovich, YP, Donegan, JF, Sukhanova, A, Conroy, J, Cottell, D, Gaponik, N, Rogach, A, Volkov, Y, Nonfunctionalized nanocrystals can exploit a cell's active transport machinery delivering them to specific nuclear and cytoplasmic compartments, Nano Letters, 7, (11), 2007, p3452-3461
M. Gerlach, Y.P. Rakovich and J.F. Donegan, Radiation-pressure-induced mode splitting in a spherical microcavity, Optics Express , 15, 2007, p3597-3606
Yuri P. Rakovich, Sivakumar Balakrishnan, John. F. Donegan, Robert A. Moore and Yurii K. Gun'ko, The fabrication, fluorescence dynamics and whispering gallery modes of new microtube resonators, Advan. Func. Materials, 17, (7), 2007, p1106-1114
M. Gerlach, Y.P. Rakovich and J.F. Donegan, Nanojets and directional emission from symmetric photonic molecules, Optics Express , 15, 2007, p17343-17350
Rakovich, YP, Balakrishnan, S, Donegan, JF, Perova, TS, Moore, RA, Gun'ko, YK, The fabrication, fluorescence dynamics, and whispering gallery modes of aluminosilicate microtube resonators, Advanced Functional Materials, 17, (17), 2007, p1106-1114
Stephen J. Byrne, Yvonne Williams, Serena A. Corr, Yurii K. Gun'ko, Alexandra Rakovich, Yury P. Rakovich, John F. Donegan and Yuri Volkov, Jelly-Dots: Synthesis and cytotoxicity studies of CdTe quantum dot - gelatin nanocomposites, Small, 3, (7), 2007, p1152-1156
W. H. Guo, D. Byrne, R. Phelan, Q. Y. Lu, J. F. Donegan, and B. Corbett, Characterization of Reflective Defects in Fabry-Perot Cavities through the Power Transmission Spectrum , IEEE Journal of Quantum Electronics , 43, (4), 2007, p350-357
Stephen J. Byrne, Bertrand le Bon, Serena A. Corr, Maciej Stefanko, Claire O'Connor, Yurii K. Gun'ko, Yury P. Rakovich, John F. Donegan, Yvonne Williams, Yuri Volkov, and Paul Evans, Synthesis, Characterisation, and Biological Studies of CdTe Quantum-dots-naproxene conjugates, ChemMedChem, 2, (2), 2007, p183-186
S. Balakrishnan, Y. Gun'ko, Yu. P. Rakovich, T.S. Perova, J.F. Donegan, and R.A. Moore, Microtube cavities from templated filtering: confined optical modes and amplified spontaneous emission, Applied Physics Letters, 89, 2006, p143113/1 - 143113/3
J.F. Donegan, Y. Rakovich, S. Balakrishnan, Y. Gun'ko, T. Perova, A. Moore, Whispering gallery mode emission from photonic microtubes, Proceedings of 8th International Conference on Transparent Optical Networks, 8th International Conference on Transparent Optical Networks, 2006, pp71-74
Yu.P. Rakovich, J.F. Donegan S. Balakrishnan, Y. Gun'ko T. Perova, Confined optical modes and amplified spontaneous emission from a microtube cavity formed by vacumm assisted filtration, Applied Physics Letters , 89, ( 143113), 2006, 143113
Tessarin, S. and Lynch, M. and Donegan, J.F. and Maze, G. , Optimisation of a two colour pumped Tm3+-doped ZBLAN fibre amplifier at 1.49m, IEEE Proceedings: Optoelectronics, 153, (1), 2006, p28 - 32
P.J. Maguire, K. Bondarczuk, L.P. Barry, J. O'Dowd, W-H Guo, J. O'Dowd, M. Lynch, A.L. Bradley, J.F. Donegan and H. Folliot, Dispersion monitoring for high-speed WDM networks via two-photon absorption in a semiconductor microcavity, Proceedings of International Conference on Transparent Optical Networks , International Conference on Transparent Optical Networks , 18-22 June 2006, 2006, pp138-141
Krug, T.; Guo, W.H.; O'Dowd, J.; Lynch, M.; Bradley, A.L.; Donegan, J.F.; Maguire, P.J.; Barry, L.P.; Folliot, H., Resonance tuning of two-photon absorption microcavities for wavelength-selective pulse monitoring, IEEE Photonics Technology Letters, 18, (2), 2006, p433 - 435
W. H. Guo, D. Byrne, Q. Y. Lu, R. Phelan, J. F. Donegan, and B. Corbett, Determination of internal loss and quasi-fermi level separation from the amplified spontaneous emission (ASE) spectrum of Fabry-Perot (FP) semiconductor lasers , Photonics Technology Letters, 18, (18), 2006, p1910 - 1912
Y.P. Rakovich, K.I. Rusakov, A.A. Gladyshchuk, S.V. Chugunov, J.F. Donegan, S. Balakrishnan, Y. Gunko, A. Moore, Whispering gallery mode emission from microtube cavity, Izvestija Gomelskogo Gosudarstvennogo Universiteta,, 6, (39), 2006, p23-27
McInerney, D.; Lynch, M.; Donegan, J.F.; Weldon, V., Spectral linewidth and tuning requirements of sources for gas sensing in space-based applications at 935nm, IEEE Proceedings: Optoelectronics, 153, (1), 2006, p33 - 39
N. Gaponik, Yu. P. Rakovich , M. Gerlach, J.F. Donegan, A.L. Rogach, Whispering gallery modes in photoluminescence and Raman spectra of a spherical microcavity with CdTe quantum dots: anti-Stokes emission and interference effects, Nanoscale Research Letters NANO EXPRESS , 1, (1), 2006, p1-6
Q. Y. Lu, W. H. Guo, R. Phelan, D. Byrne, J. F. Donegan, and B. Corbett, Analysis of slot characteristics in single mode semiconductor lasers using the 2D scattering matrix method , IEEE Photonics Technology Letters, 18, (24), 2006, p2605 - 2607
Maguire, P.J.; Barry, L.P.; Krug, T.; Guo, W.H.; O'Dowd, J.; Lynch, M.; Bradley, A.L.; Donegan, J.F.; Folliot, H., Optical signal processing via two-photon absorption in a semiconductor microcavity for the next generation of high-speed optical communications network, Journal of Lightwave Technology, 24, (7), 2006, p2683 - 2692
M. Gerlach, Y. P. Rakovich, J.F. Donegan, N. Gaponik and A.L. Rogach, Radiation pressure induced splitting of resonant modes in a nanocrystal-coated microcavity , Phys. Stat. Sol. c, 3, (11), 2006, p2389-3692
Byrne, Stephen J.; Corr, Serena A.; Rakovich, Tatsiana Y.; Gun'ko, Yurii K.; Rakovich, Yury P.; Donegan, John F.; Mitchell, Siobhan; Volkov, Yuri, Optimisation of the synthesis and modification of CdTe quantum dots for enhanced live cell imaging, Journal of Materials Chemistry, 16, (28), 2006, p2896 - 2902
V. Weldon, D. McInerney, R. Phelan, M. Lynch and J.F. Donegan, Characteristics of several NIR tuneable diode lasers for spectroscopic gas sensing: a comparison , Spectrochimica Acta Part A , 63, (5), 2006, p1013-1020
Weldon, Vincent; McInerney, David; Phelan, Richard; Lynch, Michael; Donegan, John, Characteristics of several NIR tuneable diode lasers for spectroscopic based gas sensing: A comparison, Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 63, (5), 2005, p1013 - 1020
Y.P. Rakovich, M. Gerlach, A.L. Bradley, J.F. Donegan, T. Connolly, J.J. Boland, N. Gaponik and A.L. Rogach, Photonic molecules modes in resonantly coupled spherical microcavities with semiconductor nanocrystals, Proceedings of SPIE, Opto-Ireland 2005: Optoelectronics, Photonic Devices, and Optical Networks , SPIE Opto-Ireland 2005, Dublin, edited by , John G. McInerney, Gerard Farrell, David M. Denieffe, Liam P. Barry, Harold S. Gamble, Padraig J. Hughes, Alan Moore , 5825, 2005, pp73-84
Maguire, P.J. and Barry, L.P. and Krug, T. and Dowd, J.O. and Lynch, M. and Bradley, A.L. and Donegan, J.F. and Folliot, H. , Direct measurement of a high-speed (>100Gbit/s) OTDM data signal utilising two-photon absorption in a semiconductor microcavity, Proceedings of SPIE, Opto-Ireland 2005: Optoelectronics, Photonic Devices, and Optical Networks , SPIE Opto-Ireland 2005, edited by John G. McInerney, Gerard Farrell, David M. Denieffe, Liam P. Barry, Harold S. Gamble, Padraig J. Hughes, Alan Moore , 2005, pp142 - 143
Phelan, R.; Lynch, M.; Donegan, J.F.; Weldon, V., Multi-species gas sensing using monolithic widely tuneable laser diodes, Proceedings of SPIE, Opto-Ireland 2005: Optical Sensing and Spectroscopy , Dublin, Ireland , 4th April, edited by Hugh J. Byrne, Elfed Lewis, Brian D. MacCraith, Enda McGlynn, James A. McLaughlin, Gerard D. O'Sullivan, Alan G. Ryder, James E. Walsh , 5826, SPIE, 2005, pp449 - 459
Rusakov, K.I.; Gladyshchuk, A.A.; Rakovich, Y.P.; Gerlach, M.; Donegan, J.F.; Connolly, T.M.; Boland, J.J.; Gaponik, N.; Rogach, A.L., Modification of photon states in photonic molecules with semiconductor nanocrystals, Optics and Spectroscopy, 99, (3), 2005, p493 - 497
P.J. Maguire, L.P. Barry, T. Krug, M. Lynch, A.L. Bradley, J.F. Donegan, and H. Folliot, All optical sampling utilizing two-photon absorption in a semiconductor microcavity, Electronics Letters, 41, 2005, p489 - 490
Y. P. Rakovich, M. Gerlach, J.F. Donegan, N. Gaponik and A.L. Rogach, Three-dimensional photon confinement in a spherical microcavity with CdTe quantum dots: Raman spectroscopy' , Physica E, 26, 2005, p28 - 32
Maguire, P.J.; Barry, L.P.; Krug, T.; Lynch, M.; Bradley, A.L.; Donegan, J.F.; Folliot, H., All-optical sampling based on two-photon absorption in a semiconductor microcavity for high-speed OTDM, Proceedings of SPIE, Opto-Ireland 2005: Optoelectronics, Photonic Devices, and Optical Networks , Dublin, Ireland , 4th April, edited by John G. McInerney, Gerard Farrell, David M. Denieffe, Liam P. Barry, Harold S. Gamble, Padraig J. Hughes, Alan Moore , 5825, SPIE, 2005, pp316-325
Y.P. Rakovich, J.F. Donegan and J.J. Boland, Tunable photon lifetime in photonic molecules: a concept for delaying an optical signal, Optics Letters, 30, 2005, p2775 - 2777
K.K Vamsi, Yu. P. Rakovich, A.L Bradley, J.F Donegan, B. Doggett, T. Donnelly, J. G Lunney, N. Gaponik and A. Susha, Interaction of Surface Plasmons with CdTe quantum dot excitons, 5955, , (5955OL-1 ), 2005, pp1-6
P.J. Maguire, L.P. Barry, T. Krug, M. Lynch, A.L. Bradley, J.F. Donegan, and H. Folliot, Simulation of a high-speed demultiplexer based on two-photon absorption in semiconductor devices, Optics Communications, 249, 2005, p415 - 420
Y. P. Rakovich, M. Gerlach, A.L. Bradley, J.F. Donegan, M. Przyjalgowski, N. Gaponik and A.L. Rogach, Spontaneous emission spectra and lifetimes from semiconductor nanocrystals in coupled spherical microcavities', Physics Status Solidi C, 2, (2), 2005, p858 - 861
Vamsi, K.K.; Rakovich, Yu.P.; Bradley, A.L.; Donegan, J.F.; Donnelly, T.; Lunney, J.G.; Gaponik, N., Metal surface enhanced emission from CdTe quantum dots, Proceedings of SPIE, Opto-Ireland 2005: Optoelectronics, Photonic Devices, and Optical Networks , SPIE Opto-Ireland 2005, Dublin, edited by , John G. McInerney, Gerard Farrell, David M. Denieffe, Liam P. Barry, Harold S. Gamble, Padraig J. Hughes, Alan Moore , 2005, pp350
Gerlach, M.; Rakovich, Y.P.; Donegan, J.F.; Gaponik, N.; Rogach, A.L., Enhanced coupling of electronic and photonic states in a microcavity-quantum dot system, Opto-Ireland 2005: Optoelectronics, Photonic Devices, and Optical Networks , Dublin, Ireland , 4th April, edited by John G. McInerney, Gerard Farrell, David M. Denieffe, Liam P. Barry, Harold S. Gamble, Padraig J. Hughes, Alan Moore , 5825, 2005, pp370 - 377
Vamsi, K.K.; Rakovich, Yu.P.; Bradley, A.L.; Donegan, J.F.; Doggett, B.; Donnelly, T.; Lunney, J.G.; Gaponik, N.; Susha, A, Interaction of surface plasmons with CdTe quantum dot excitons, Proceedings of SPIE, Metamaterials , Warsaw, Poland, 30 August, edited by Tomasz Szoplik, Ekmel Özbay, Costas M. Soukoulis, Nikolay I. Zheludev , 5955, SPIE, 2005, pp1 - 6
Rusakou, K.I. And Gladyshchuk, A. A. and Chugunov, S.V. and Rakovich, Y.P. and Donegan, J.F. and Rogach, A.L. and Gaponik, N. , Strong coupling of optical modes in photonic molecules with CdTe nanocrystals, Proceedings of 2nd International Conference on Advanced Optoelectronics and Lasers, 2, (2), 2005, p60 - 62
Rusakov, K.I.; Gladyshchuk, A.A.; Rakovich, Y.P.; Gerlach, M.; Donegan, J.F.; Connolly, T.M.; Boland, J.J.; Gaponik, N.; Rogach, A.L., Modification of photon states in photonic molecules with semiconductor nanocrystals, Optics and Spectroscopy (English translation of Optika i Spektroskopiya), 99, (3), 2005, p493 - 497
Rakovich, Y.P.; Gaponik, N.; Rogach, A.L.; Gerlach, M.; Bradley, A.L.; Connolly, T.; Boland, J.J.; Donegan, J.F., Coupled cavity modes in photonic molecules with semiconductor nanocrystals, Proceedings of SPIE, Photonic Materials, Devices, and Applications , Sevilla, Spain , 9th May, edited by Goncal Badenes, Derek Abbott, Ali Serpenguzel , 5840, (2), 2005, pp572 - 583
Phelan, Richard; Lynch, Michael; Donegan, John F.; Weldon, Vincent, Simultaneous multispecies gas sensing by use of a sampled grating distributed Bragg reflector and modulated grating Y laser diode, Applied Optics, 44, (27), 2005, p5824 - 5831
Maguire, P.J.; Barry, L.P.; Krug, T.; Lynch, M.L.; Bradley, A.L.; Donegan, J.F.; Folliot, H., Highly-efficient optical sampling based on two-photon absorption in a semiconductor micro-cavity device, Proceedings of SPIE, Opto-Ireland 2005: Optoelectronics, Photonic Devices, and Optical Networks , SPIE Opto-Ireland 2005, Dublin, edited by John G. McInerney, Gerard Farrell, David M. Denieffe, Liam P. Barry, Harold S. Gamble, Padraig J. Hughes, Alan Moore , 2, (2), 2005, pp1112 - 1114
Tessarin, S.; Lynch, M.; Donegan, J.F.; Maze, G., Thulium doped ZBLAN fibre ring-cavity amplifier, Proceedings of SPIE, Opto-Ireland 2005: Optoelectronics, Photonic Devices, and Optical Networks , Dublin, 04 April, edited by John G. McInerney, Gerard Farrell, David M. Denieffe, Liam P. Barry, Harold S. Gamble, Padraig J. Hughes, Alan Moore , 5825, 2005, pp230 - 239
Wu, Guan Hong; O'Brien, Canice G.; Seo, Woon-Ho; Donegan, John F., Device design of 1.3µm AlGaInAs-InP narrow strip structure for self-pulsation operation, Proceedings of SPIE, Opto-Ireland 2005: Optoelectronics, Photonic Devices, and Optical Networks , Dublin, 04 April, edited by John G. McInerney, Gerard Farrell, David M. Denieffe, Liam P. Barry, Harold S. Gamble, Padraig J. Hughes, Alan Moore , 5825, SPIE, 2005, pp203 - 213
S. Tessarin, M. Lynch, J.F. Donegan and G. Mazé, A Tm3+-doped ZBLAN fibre amplifier at 1.49 Ým with cooperative lasing at 1.88 Ým, Electronics Letters, 41, (16), 2005, p899 - 900
Donegan, John F. and Rakovich, Yury P. and Gerlach, Matthias and Connolly, Terry and Boland, John J. and Gaponik, Nikolai and Rogach, Andrey L. , Photonic molecules: A new concept for wavelength tunable optical delay, Proceedings of 7th International Conference on Transparent Optical Networks, 2005 (ICTON 2005), 2, 2005, p116 - 119
Maguire, P.J. and Barry, L.P. and Krug, T. and O'Dowd, J. and Lynch, M. and Bradley, A.L. and Donegan, J.F. and Folliot, H. , Highly-efficient optical sampling of a 100 Gbit/s OTDM data signal via two-photon absorption in a semiconductor microcavity, Proceedings of 31st European Conference on Optical Communication, 31st European Conference on Optical Communication, 25-29 Sept. 2005, 3, (3), 2005, pp483 - 484
Volkov, Y.; Mitchell, S.; Kelleher, D.; Gaponik, N.; Rakovich, Y.P.; Donegan, J.F.; Rogach, A.L., Highly emissive nanowires grown from CdTe nanocrystals in a phosphate buffer solution, Proceedings of SPIE, Opto-Ireland 2005: Nanotechnology and Nanophotonics , Dublin, 05 April, edited by Werner J. Blau, David Kennedy, John Colreavy , 5824, 2005, pp123 - 128
Rakovich, Y.P.; Yang, L.; Taylor, C.M.; Dunbar, L.A.; Mac Raighne, A.; Donegan, J.F.; McCabe, E.M., Three dimensional confocal microscopy of fluorescent microspheres: Imaging and size determination, Proceedings of SPIE - The International Society for Optical Engineering, Opto-Ireland 2005: Photonic Engineering, Opto-Ireland 2005: Photonic Engineering, Dublin, 04 April, edited by Brian W. Bowe, Gerald Byrne, Aidan J. Flanagan, Thomas J. Glynn, Jonathan Magee, Gerard M. O'Connor, Ronan F. O'Dowd, Gerard D. O'Sullivan, John T. Sheridan , 5827, SPIE, 2005, pp299 - 304
Rakovich, Yu.P.; Gerlach, M.; Bradley, A.L.; Donegan, J.F.; Boland, J.; Connolly, T.; Przyjalgowski, M.; Ryder, A.; Gaponik, N.; Rogach, A.L., Spontaneous emission from semiconductor nanocrystals in coupled spherical microcavities, Physica Status Solidi C, (2), 2005, p858 - 861
Krug, T., Lynch, M., Bradley, A.L., Donegan, J.F., Barry, L.P., Folliot, H., Roberts, J. S., Hill, G., High sensitivity two photon absorption microcavity autocorrelator, Photonics Technology Letters, 16, 2004, p1543 - 1545
Y. Volkov, S. Mitchell, N. Gaponik, Y. P. Rakovich, J.F. Donegan, D. Kelleher and A. L. Rogach, In-situ observation of nanowire growth from luminescent CdTe nanocrystals in a phosphate buffer solution, Chemical Physics Physical Chemistry, 5, 2004, p1600 - 1602
O'Brien, C., Woon-Ho Seo, Thornquist, H., Donegan, J.F., Two-dimensional Model of Self-Pulsation in AlGaAs Laser Diodes, Proceedings of SPIE, Semiconductor Lasers and Laser Dynamics , Strasbourg, France , 27 April 2004 , edited by Daan Lenstra, Geert Morthier, Thomas Erneux, Markus Pessa , 5452, SPIE, 2004, pp138 - 145
A. Shaw, A.L. Bradley, J. F. Donegan and J. G. Lunney, GaN resonant cavity light-emitting diodes for plastic optical fibre applications, IEEE Photonics Technology Letters, 16, (9), 2004, p2006 - 2008
Dunbar, A., Lynch, M., Bradley, A.L., Donegan, J.F., Oesterle, U., Houdré, R., Ilegems, M., Doran, J.P., Polariton scattering processes under resonant excitation in a strongly coupled semiconductor microcavity, Semiconductor Science and Technology, 19, (9), 2004, p1104 - 1112
Tessarin, S., Lynch, M., Donegan J.F., Mazé, G., Resonant energy transfer in praseodymium-thulium codoped ZBLAN fibre, IEE-Proceedings-Optoelectronics, 151, (2), 2004, p129 - 132
T. Krug, M. Lynch, A. L. Bradley, J. F. Donegan, L. P. Barry, H. Folliot, J. S. Roberts and G. Hill, High-sensitivity two-photon absorption microcavity autocorrelator, IEEE Photonics Technology Letters, 16, 2004, p1543 - 1545
Alphandery, E., Walsh, L., Rakovich, Yu. P., Bradley, A.L., Donegan, J.F., Gaponik, N., Highly efficient Förster energy transfer between CdTe nanocrystals and Rhodamine B in mixed solid films, Chemical Physics Letters, 388, 2004, p100 - 104
Woon-Ho Seo, O'Brien, C., Donegan, J F.,Yoonseok Lee, Gil-Ho Kim., Small-signal modulation characteristics for 1.5 µm lattice-matched InGaNAs/GaAs and InGaAs/InP quantum well lasers, Optical and Quantum Electronics, 36, 2004, p1147 - 1153
V.V. Fedorov, A.V.Fedorov , D. Martyshkin, J.F. Donegan and S.B. Mirov, Two-photon induced fluorescence of F2-- Color Centers in LiF Cry, Laser Physics Letters, 1, (4), 2004, p163 - 166
Shaw, A. J. and Bradley, A. L. and Donegan, J. F. and Lunney, J. G. , GaN resonant cavity light-emitting diodes for plastic optical fibre applications , Photonics Technology Letters, 16, 2004, p2006 - 2008
Alphandery, E., Walsh, L., Rakovich, Yu. P., Bradley, A.L., Donegan, J.F., Gaponik, N., Gun'ko, Y., Highly efficient Forster resonance energy transfer between CdTe nanocrystals and two different dye molecules, Proc. SPIE 5462, Biophotonics Micro- and Nano-imaging, Photonics Europe 2004, 5462, (33), 2004, pp87 - 91
Woon-Ho Seo, O'Brien, C., Donegan, J.F., Yoonseok Lee, Gil-Ho Kim., Linewidth enhancement factor and modulation bandwidth of lattice matched 1.5 micron InGaAsN/GaAs quantum well lasers, Proceedings of SPIE, Semiconductor Lasers and Laser Dynamics, Strasbourg, France , 27 April , edited by Daan Lenstra, Geert Morthier, Thomas Erneux, Markus Pessa , 5452, SPIE, 2004, pp206 - 214
Y.P. Rakovich, J.F. Donegan, M. Gerlach, A.L. Bradley, T.M. Connolly, J.J. Boland, N. Gaponik, and A. Rogach, Fine structure of coupled optical modes in photonic molecules, Physical Review A, 70, (5), 2004, p051801(R) - 051801(R)
Y. Rakovich, M. Gerlach, E. McCabe, J. Donegan, T.S. Perova, R.A. Moore, N. Gaponik, Anti-Stokes Emission and Resonance-Enhanced Raman Scattering from Spherical Microcavities with CdTe Quantum Dots., SPIE-Plotonics 2004, Strasbourg, France, 2004
Yu.P. Rakovich, M. Gerlach, A.L. Bradley, J.F. Donegan, T.M. Connolly, J.J. Boland, M.A. Przyjalgowski, A. Ryder, N.Gaponik and A.L. Rogach, Confined optical modes in small photonic molecules with semiconductor nanocrystals, Journal of Applied Physics, 96, (11), 2004, p6761 - 6765
E. Alphandery, L.M. Walsh, Y. Rakovich, L. Bradley, Y. Gun'ko, J.F. Donegan, N. Gaponik, T. Franzl, A.L. Rogach, Highly efficient Forster resonance energy transfer between CdTe nanocrystals and Rhodamine B, Biophysical Journal, 86, (1 Part 2 Suppl. S.), 2004, p170A -
Alan Shaw, John F. Donegan, James G. Lunney, and Louise Bradley , Optical design of GaN resonant cavity LEDs emitting at 510 nm for use in plastic optical fibre applications, Conference Title: Opto-Ireland 2002: Optics and Photonics Technologies and Applications , Galway, Ireland , 05 September 2002 , edited by Thomas J. Glynn , 4876, (1), 2003, pp184-195
Rusakov, K.I., Gladyshchuk, A.A., Rakovich, Yu.P., Donegan, J.F., Filonovich, S.A, Gomes, M.J.M., Talapin, D.V., Rogach, A.L. Eychmüller, A., Control of efficiency of photon energy up-conversion in CdSe/ZnS quantum dots, Optics and Spectroscopy, 94, 2003, p859 - 863
Phelan, R., Lynch, M., Donegan., J.F., Weldon, V., Absorption Line Shift with Temperature and Pressure: Impact on Laser Diode based H2O Sensing at 1.393 (mu)m, Applied Optics , 42, 2003, p4968 - 4974
Evolution of optical phonons in CdSe/ZnS quantum dots: Raman spectroscopy in, editor(s)Editors: V.E. Borisenko, S.V. Gaponenko and V.S. Gurin , Physics, Chemistry and Application of Nanostructures, World Scientific, 2003, pp132 - 135, [A. V. Baranov, T. S. Perova, R.A. Moore, Yu. P. Rakovich, J. F. Donegan, and D. Talapin]
Phelan, R., Lynch, M., Donegan, J.F., Weldon, V., Investigation of a strongly gain-coupled DFB laser cascade for simultaneous multigas sensing, IEE-Proceedings Optoelectronics , 150, 2003, p182 - 186
Rakovich, Yu.P.,Walsh, L., Bradley, L., Donegan, J. F., Talapin, D., Rogach, A.L., Eychmüller, A., Size selective photoluminescence excitation spectroscopy in CdTe quantum dots, Proceedings of SPIE, Opto-Ireland 2002: Optics and Photonics Technologies and Applications , Galway, Ireland , 5 September 2003, edited by Thomas J. Glynn , 4876, 2003, pp432 - 437
Shaw, A., Donegan, J.F., Lunney, J.G., Bradley, L., Optical design of GaN resonant cavity LEDs emitting at 510nm for use in plastic optical fiber applications (Proceedings Paper), Proceedings of SPIE Opto-Ireland 2002: Optics and Photonics Technologies and Applications,, 4876, 2003, p184 - 195
Whispering gallery mode emission from a core-shell system of CdTe nanocrystals on a spherical microcavity in, editor(s)Borisenko, Gaponenko, Gurin. , Physics, Chemistry and Application of Nanostructures, World Scientific, 2003, pp120 - 123, [ Rakovich, Yu. P., Donegan, J.F., Gaponik, N., Rogach, A.L.]
A.V. Baranov, Yu. P. Rakovich, and J. F. Donegan, T. S. Perova, R.A. Moore, D.V. Talapin, A.L. Rogach, Y.Masumoto, and I. Nabiev, Effect of ZnS Shell Thickness on the Phonon Spectra in CdSe Quantum Dots, Physical Review B, 68, (16 ), 2003, p1 - 7
Seo, W-H., Donegan, J.F., Linewidth enhancement factor in lattice matched InGaAsN/GaAs quantum wells, Applied Physics Letters, 82, 2003, p505 - 507
Rakovich, Yu. P., Donegan, J.F., Filonovich, S.A., Gomes, M.J.M., Talapin, D.V., Rogach A.L., Eychmüller, A. , Up-conversion luminescence via a below-gap state in CdSe/ZnS quantum dots, Physica, E, (17), 2003, p99 - 100
Rakovich, Yu.P., Yang, L., McCabe, E.M., Donegan, J. F., Perova, T., Moore, A., Gaponik, N., Rogach, A.L., Whispering Gallery Mode Emission from a Composite System of CdTe Nanocrystals and a Spherical Microcavity, Semiconductor Science and Technology , 18, 2003, p914 - 918
Shaw, A., Folliot, H., Donegan, J.F., Carrier diffusion in InAs/GaAs quantum dot layers and its impact on light emission from etched microstructures, Nanotechnology, 14, 2003, p571 - 577
Rakovich, Yu. P., Donegan, J.F., Gaponik, N., Rogach, A.L., Raman Scattering and Anti-Stokes Emission from a Single Spherical Microcavity with a CdTe quantum well layer, Applied Physics Letters, 83, 2003, p2539 - 2541
Seo, W-H., Donegan, J.F, 6 x 6 Effective Mass Hamiltonian for Heterostructures grown on (11N)-oriented substrates, Physical Review , 68, (7), 2003, p075318
H. Folliot, M. Lynch, A.L. Bradley, L.A. Dunbar, J. Hegarty, J.F. Donegan, L.P. Barry, J.S. Roberts and G.Hill, Two-photon absorption enhancement in bulk AlGaAs semiconductor microcavities, Virtual Journal of nanoscale Science and Technology, 5, 2002, p9-
Barry, L. P. and Maguire, P. and Krug, H. and Folliot, M. and Lynch, A. L. and Bradley, J. F. and Donegan, J. F. and Roberts, J. S. and Hill G., Design of microcavity semiconductor devices for highly efficient optical switching and sampling applications, 2, 2002, pp839- 840
H. Folliot, M. Lynch, A.L. Bradley, T. Krug, L.A. Dunbar, J. Hegarty, J.F. Donegan, L.P. Barry, J.S. Roberts and G. Hill, Two-photon induced photoconductivity enhancement in semicondcutor microcavities: a theoretical invetsigation, Journal of the Optical Society of America B, 19, (10), 2002, p2396 - 2402
Folliot, H. and Lynch, M. and Bradley, A. L. and Dunbar, L. A. and Donegan, J. F. and Barry, L. P. and Roberts, J. S. and Hill, G., Two-photon absorption photocurrent enhancement in bulk AlGaAs semiconductor microcavities, Applied Physics Letters, 80, 2002, p1328-1330
Shaw, A., Folliot, H., Bradley, A. L., Hegarty, J., Donegan, J. F., Impact of carrier diffusion in quantum wells and quantum dots on the behaviour of etched microcavity structures, Institute of Physics Conference Series , Proceedings of the 26th International Conference on the Physics of Semiconductors, Institute of Physics, 2002, edited by Long, A.R., Davies, J.H. , 171, (Paper D172), 2002
L.A. Dunbar, M. Lynch, A.L. Bradley, J.F. Donegan, J. Hegarty, R.P. Stanley , U. Oesterle , R. Houdré , M. Ilegems , Collisional Broadening of Semiconductor Microcavity Polaritons, Physica Status Solidi (a) - Applied Research, 190, 2002, p435 - 440
R. Phelan, V. Weldon, M. Lynch and J.F. Donegan, Simultaneous multigas detection with cascaded strongly gain coupled DFB laser by dual wavelength operation, Electronic Letters, 38, (2), 2002, p31 - 32
A. Shaw, T. McCormack, A.L. Bradley, J.G. Lunney, J.F. Donegan, Modelling of Extraction Efficiency of GaN-Based Resonant Cavity Light Emitting Diodes Emitting at 510 nm, Physica Status Solidi (a), 192, (1), 2002, p103 - 109
Folliot, H., Lynch, M., Barry, L. P., Bradley, A. L., Dunbar, L. A., Krug, T., , Two-photon absorption enhancement in AlGaAs microcavities, Conference Series, International Conference on the Physics of Semiconductors, edited by Long, A.R., Davies, J.H. , 171, (Paper D247), Institute of Physics, 2002
Rakovich, Yu.P., Donegan, J. F., Filonovich, S.A., Gomes, M.J.M.,Talapin, D.V.,Rogach, A.L., Eychmüller, A., Photon energy up-conversion in CdSe quantum dots, Institute of Physics Conference Series, 26th International Conference on the Physics of Semiconductors, Institute of Physics , 2002, edited by Long, A.R., Davies, J.H. , 171, (Paper R.2.7), 2002
Yu.P. Rakovich, S.A. Filonovich, M.J.M. Gomes, J.F. Donegan, D.V. Talapin, A.L. Rogach, A. Eychmüller, Anti-Stokes Photoluminescence in II-VI Colloidal Nanocrystals, physica status solidi (b), 229, (1), 2002, p449 - 452
Yu. Rakovich , J.F. Donegan, A. Gladyshchuk, G. Yablonskii, B. Schineller, M. Heuken, Exciton Diffusion in GaN Epitaxial Layers, physica status solidi (b), 228, (2), 2001, p493 - 496
Mcaleavey F. J., O'gorman J., Donegan J. F., Hegarty J., Maze G, Extremely high sensitivity gas detection at 2.3 [mu]m using a grazing incidence Tm3+ fibre laser cavity, Sensors and actuators A: physical , 87, (3), 2001, p107 - 112
McAleavey F.J.; O'Gorman J.; Donegan J.F.; Hegarty J.; Mazé G.; Poignant H., Operation of Tm3+ fiber laser at lambda = 2.3 mum coupled to a silica fiber Bragg grating, Optical and Quantum Electronics, 33, (2), 2001, p151 - 164
F. Renzoni, J. F. Donegan, C.H. Patterson, Optical gain and linewidth enhancement factor in bulk GaN, Semiconductor Science and Technology, 14, (6), 1999, p517 - 520
J. D. Carey, R. C. Barkliea, J. F. Donegan, F. Priolo, G. Franzò and S. Coffa, EPR study of erbium-impurity complexes in silicon , Journal of Luminescence, 80, (1-4), 1999, p297 - 301
J. D. Carey, R. C. Barklie, and J. F. Donegan , F. Priolo , G. Franzò and S. Coffa , Electron paramagnetic resonance and photoluminescence study of Er-impurity complexes in Si, Physical Review B, 59, (4), 1999, p2773 - 2782
F Renzoni, J F Donegan and C H Patterson, Optical gain and linewidth enhancement factor in bulk GaN, Semiconductor Science and Technology, 14, 1999, p517 - 520
McCabe, E.M., Jordan, C., Fewer, D.T., Donegan, J.F., Taniguchi, S., Hino, T.,Ishibashi, A., Uusimaa, P., Pessa, M., Confocal photoluminescence microscopy in II-VI materials: annealing and degradation dynamics, Society of Photo-Optical Instrumentation Engineers Proceedings Proceedings, 3605, 1999, p65 - 72
Jordan, C. McCabe, E.M. Donegan, J.F. Nakano, K. Ishibashi, A.Itoh, S. , Recovery of degradation in Il-VI laser diode structure , Electronic Letters, 35, (15), 1999, p1281 - 1283
C. Jordan, J. F. Donegan, J. Hegarty, B. J. Roycroft, S. Taniguchi, T. Hino, E. Kato, N. Noguchi, and A. Ishibashi , Carrier-density dependence of the photoluminescence lifetimes in ZnCdSe/ZnSSe quantum wells at room temperature, Applied Physics Letters, 74, 1999, p3359 - 3361
Donegan, J.F., Jordan, C., Laird, G., Taniguchi, S., Hino, T., Kato, E., Noguchi, N., Ishibashi, A., Recombination lifetimes in undoped and doped ZnCdSe laser structures, Society of Photo-Optical Instrumentation Engineers Proceedings, 3625, 1999, p41 - 48
M. Cazzanelli, D. Cole, J. Versluijs, JF Donegan and JG Lunney , Pulsed laser deposition of GAN thin films, Materials science and engineering b-solid state materials for advanced technology, 59, (1-3), 1999, p98 - 103
D.T.Fewer,C.Jordan, S.J.Hewlett, E.M.McCabe, F.P.Logue, J.F.Donegan,J.Hegarty, S.Taniguchi, T.Hino, K.Nakano and A.Ishibashi, Degradation dynamics of II-VI (ZnCdSe) quantum well materials using confocal photoluminescence microscopy, Proceedings of Royal Microscopical Society Conference on Microscopy of Semiconducting Materials, Royal Microscopical Society Conference on Microscopy of Semiconducting Materials, 157, 1998, pp569 - 572
Jordan, C.; Fewer, D.T.; Donegan, J.F.; Logue, F.P.; McCabe, E.M.; Huynh, A.; Taniguchi, S.; Hino, T.; et. al., Defect annealing in a II-VI laser diode structure under intense optical excitation , Journal of Crystal Growth, 185, 1998, p585 - 586
Logue, F.P.; Rees, P.; Jordan, C.; Donegan, J.F.; Hegarty, J.; Hiei, F.; Taniguchi, S.; Hino, T.; et. al, Optical gain in (Zn,Cd)Se-Zn(S,Se) quantum wells as a function of temperature , Journal of Crystal Growth, 185, 1998, p623 - 626
M. Cazzanelli, D. Cole, J.F. Donegan, JG Lunney, PG Middleton, KP O'Donnell, C. Vinegoni and L. Pavesi, Photoluminescence of localised excitons in pulsed laser-deposited GAN, Applied Physics Letters, 73, (23), 1998, p3390 - 3392
F. P. Logue, P. Rees, J. F. Heffernan, C. Jordan, J. F. Donegan, and J. Hegarty and F. Hiei, S. Taniguchi, T. Hino, K. Nakano, and A. Ishibashi, Optical gain in (Zn, Cd)Se-Zn(S, Se) quantum wells, Journal of Crystal Growth, 15, (4), 1998, p1295 - 1304
Jordan, C.; Fewer, D. T.; Donegan, J. F.; McCabe, E. M.; Huynh, A.; Logue, F. P.; Taniguchi, S.; Hino, T.; Nakano, K.; Ishibashi, A., Defect annealing in a II-VI laser diode structure under intense optical excitation, Applied Physical Letters, 72, (2), 1998, p194 - 196
Logue, F. P.; Fewer, D. T.; Hewlett, S. J.; Heffernan, J. F.; Jordan, C.; Rees, P.; Donegan, J. F.; McCabe, E. M.; Hegarty, J.; Taniguchi, S.; Hino, T.; Nakano, K.; Ishibashi, A., Optical measurement of the ambipolar diffusion length in a ZnCdSe-ZnSe single quantum well, Journal of Appleid Physics, 81, (1), 1997, p536 - 538
McAleavey, F. J., Donegan, J. F., Hegarty, J., MacCraith, B. D., Mazé, G., O'Gorman, J. , Narrow linewidth, tunable Tm3+-doped fluoride fiber laser for optical-based hydrocarbon gas sensing, IEEE Journal of selected topics in quantum electronics, 3, 1997, p1103 - 1111
F. P. Logue, P. Rees, J. F. Heffernan, C. Jordan, J. F. Donegan, and J. Hegarty and F. Hiei and A. Ishibashi , Effect of Coulomb enhancement on optical gain in (Zn,Cd)Se/ZnSe multiple quantum wells, Physical Review B, 54, (23), 1997, p16417 - 16420
D Cole, JG Lunney, FP Logue, JF Donegan and JMD Coey, GAN thin films produced by pulsed laser deposition, Materials science and engineering b-solid state materials for advanced technology, 48, (3), 1997, p239 - 243
P. Rees, F. P. Logue, J. F. Donegan, J. F. Heffernan, C. Jordan, and J. Hegarty, Calculation of gain‐current characteristics in ZnCdSe‐ZnSe quantum well structures including many body effects., Applied Physics Letters, 67, (25), 1996, p3780 - 3782
Rees, P. Heffernan, J.F. Logue, F.P. Donegan, J.F. Jordan, C. Hegarty, J. Hiei, F. Ishibashi, A. , High temperature gain measurements in optically pumped ZnCdSe-ZnSe quantum wells., IEE Proceedings - Optoelectronics, 143, (1), 1996, p110 - 112
Donegan, J.F., Heffernan, J.F., Hegarty,J., Hiei, H., Ishibashi, A.,.Jordan, C., Logue, F.P., Rees, P., Optically pumped ZnCdSe-ZnSe quantum wells, Proceedings of SPIE, Physics and Simulation of Optoelectronic Devices IV , San Jose, CA, USA , 29th January, edited by Weng W. Chow, Marek Osinski , 2693, 1996, pp121 - 127
J. D. Carey, J. F. Donegan, and R. C. Barklie, F. Priolo, G. Franzò and S. Coffa, Electron paramagnetic resonance of erbium doped silicon, Applied Physics Letters, 69, 1996, p3854 - 3856
J. F. Donegan, C. Jordan, P. Rees, F. Logue, J. F. Hefferman and J. Hegarty, A study of internal losses in CdZnSe/ZnSe multiple quantum well materials, Journal of Crystal Growth, 159, (1-4), 1996, p653 - 656
Barry, W.A., Donegan, J.F., Rong, F., Watkins, G.D., Vacancies, interstitials and close Frenkel Pairs on the zinc sublattice of ZnSe, Physical Review B, 54, (11), 1996, 7779 - 7788
T. Miyajima, F. P. Logue, J. F. Donegan, and J. Hegarty and H. Okuyama, A. Ishibashi, and Y. Mori, Quasi-two-dimensional exciton in ZnSe/ZnMgSSe single quantum well, Applied Physical Letters, 66, (2), 1995, p180 - 182
J. Xing, J. F. Donegan and J. Hegarty, A fluorescence-line-narrowing study of the broad porous-silicon luminescence band , Journal of Luminescence,, 57, (1-6), 1994, p147 - 151
John P. Doran; Fred P. Logue; T. Miyajima; Ross P. Stanley; John F. Donegan; John Hegarty, Engineering the exciton linewidth in II-VI quantum well structures, Optical Engineering, 33, 1994, p3921 - 3925
J. F. Donegan, R. P. Stanley, J. P. Doran and J. Hegarty, Exciton dynamics in zinc-rich CdZnTe/ZnTe quantum wells , Journal of Luminescence, 58, (1-6), 1994, p216 - 222
T. Asatsuma, P. Dodd, J. F. Donegan, J. G. Lunney and J. Hegarty, Er3+-doped silicon prepared by laser doping, Materials Research Society Symposium Proceedings, 301, 1993, p67 - 72
J.P. Doran, R.P. Stanley, J.F. Donegan, J. Hegarty, R. Fischer, E.O. Gobel, R.D. Feldman, R.F. Austin, Exciton dynamics in Cd0.33Zn0.67Te/ZnTe single quantum wells , Physica B: Condensed Matter, 185, (1-4), 1993, p566 - 570
R. P. Stanley, J. F. Donegan, J. Hegarty, R. D. Feldman and R. F. Austin, Dynamics of excitons in CdxZn1-xTe/ZnTe quantum next term wells , Journal of Luminescence, 52, (1-4), 1992, p109 - 122
J. P. Doran, J. F. Donegan, R. P. Stanley and J. Hegarty R. D. Feldman and R. F. Austin, Thermal broadening of excitons in CdZnTe/ZnTe single quantum wells, Journal of Crystal Growth, 117, (1-4), 1992, p465 - 469
J.P. Doran, J.F. Donegan, J. Hegarty, R.D. Feldman and R.F. Austin, Quantum well width dependence of exciton-phonon interaction in Cd0.33Zn0.67Te/ZnTe single quantum, Solid State Communications, 81, (9), 1992, p801 - 805
Donegan JF, Anderson FG, Bergin FJ, T. J. Glynn, and G. F. Imbusch , Optical and magnetic-circular-dichroism-optically-detected-magnetic-resonance study of the Co2+ ion in LiGa5O8, Physical Review B, 45, (2), 1992, p563 - 573
Donegan, J.F., Jeon, D.Y., Watkins, G.D., Optical detection of electron-nuclear double resonance for an S=1 luminescent center in GaP:O, Physical Review B, 43, (3), 1991, p2141 - 2151
J.F. Donegan, J.P. Doran, R.P. Stanley, J. Hegarty, R.D. Feldman and R.F. Austin, Resonant Rayleigh scattering from excitons in CdxZn1‑xTe:ZnTe quantum wells: measurement of homogeneous linewidths, Applied Surface Science, 50, (1-4), 1991, p321 - 324
Donegan, J.F., Glynn, T.J., Morgan, G.P., Walker, G., New Materials for tunable lasers in the near infra-red, Journal of Modern Optics, 37, (4), 1990, p769 - 777
Donegan, J.F., Glynn, T.J., Imbusch G.F., FLN study of LiGa5O8:Co2+, Journal of Luminescence, 45, (1-6), 1990, p23 - 25
Donegan, J.F., Observation of nonradiative energy transfer in the excitation of Nd3+ in GaP, Physical Review B, 41, (14), 1990, p10254 - 10256
Donegan, J.F., Watkins, G.D., Jeon, D.Y., Optical detection of electron-nuclear double resonance for a donor in oxygen-doped GaP, Physical Review B, 39, (5), 1989, p3207 - 3215
Bergin, F.J., Donegan, J.F., Glynn, T.J., Imbusch G.F., Morgan, G.P., Remeika, J.P., Luminescence from beta-Ga2O3:Cr3+, Journal of Luminescence, 40/41, 1988, p103 - 104
Barry, W.A., Donegan, J.F., Rong, F., Watkins, G.D., Direct measurement of exchange as a function of separation for discrete donor-acceptor pairs in ZnSe, Physical Review B, 37, (8), 1988, p4329 - 4332
Watkins, G.D., Rong, F., Barry W.A., Donegan, J.F., Optically detected magnetic resonance of zinc interstitials and Frenkel pairs in ZnSe in Defects in Electronic Materials, Proceedings of the Materials Research Society, 104, 1988, p3 - 12
Bergin, F.J., Donegan, J.F., Glynn, T.J., Imbusch G.F., Optical linewidths in chromium-doped glass and ceramic, Journal of Luminescence, 36, (4-5), 1987, p231 - 235
Donegan, J.F., Gislason, H.P., Jeonand, D.Y., Watkins, G.D. , Determination of the PIn antisite structure in InP by optically detected electron-nuclear double resonance, Physical Review B, 36, (2), 1987, p1324 - 1327
Donegan, J.F., Bergin, F.J.,Glynn, T.J., Imbusch G.F., Remeika, J.P., Luminescence and fluorescence line narrowing studies of Y3Al5O12:Mn4+, Journal of Luminescence, 36, (2), 1986, p93 - 100
Bergin, F.J., Donegan, J.F., Glynn, T.J., Imbusch G.F., The optical spectroscopy of chromium in ED-2 silicate glass, Journal of Luminescence , 34, (6), 1986, p307 - 321
Donegan, J.F., Bergin, F.J., Glynn, T.J., Imbusch G.F., Remeika, J.P., The optical spectroscopy of LiGa5O8:Ni2+, Journal of Luminescence , 35, (1), 1986, p57 - 63
Bergin, F.J., Donegan, J.F., Glynn, T.J., Imbusch, G.F., Luminescence and fluorescence line narrowing studies of chromium doped glass, Journal de Physique, 46, (C7), 1985, p337 - 341
Bergin, F.J., Donegan, J.F., Imbusch, G.F., Remeika, J.P., Luminescence from LiGa5O8:Co2+, Journal of Luminescence , 31/32, (1), 1984, p278 - 280
Non-Peer-Reviewed Publications
Fundamental properties of II-VI semiconductors in, editor(s)B.D. Guenther, D.G. Steel, L. Bayvel , Encyclopedia of Modern Optics, Academic Press, 2004, pp377 - 385, [Donegan, J.F.]
Evolution of optical phonons in CdSe/ZnS quantum dots: Raman Spectroscopy in, editor(s)Borisenko, Gaponenko, Gurin. , Physics, Chemistry and Application of Nanostructures, World Scientific, 2003, pp132 - 135, [Baronon, A.V.,Perova, T.S., Moore, A., Rakovich,Yu. P., Donegan, J.F., Talapin D.]
Evolution of optical phonons in CdSe/ZnS quantum dots: Raman Spectroscopy in, editor(s)Borisenko, Gaponenko, Gurin, , Physics, Chemistry and Application of Nanostructures, World Scientific, 2003, pp132 - 135, [Baronon, A.V., Perova, T.S., Moore, A., Rakovich, Yu. P., Donegan, J.F., Talapin, D.]
Filonovich, S.A., Gomes, M.J.M., Rakovich, Yu.P., Donegan, J. F., Talapin, D.V., Rogach, A.L., Eychmüller, A., Up-Conversion Luminescence in Colloidal CdTe Nanocrystals, Proceedings of the Materials Research Society, Boston, 737, (E13.12.1-E12.12.6.), 2002
Gain and carrier dynamics at lasing densities in ZnCdSe quantum well materials in, editor(s)Scheffler and Zimmermann , 23rd International Conference on the Physics of Semiconductors, Singapore, World Scientific, 1996, pp3183 - 3186, [Donegan, J.F., Logue, F.P., Jordan, C., Rees, R., Hewlett, S.J., Heffernan, J.F., Fewer, D.T., McCabe, E.M., Hegarty, J., Taniguchi, S., Hino, T., Nakano, K., Ishibashi, A. ]
Transition metal ion-doped materials of laser interest in, Spectroscopy of Solid-State Laser-Type Materials, New York, Plenum Press, 1987, pp165 - 178, [Imbusch, G.F., Donegan, J.F., and Bergin, F.J.]
Research Expertise
Description
Physics and engineering of optical devices for photonic integration including semiconductor lasers and coherent receivers; Active semiconductor lasers with high-order surface gratings; Photonic-integration of polarization beam splitter and optical hybrid based on forward and reverse bias structures. Heat-Assisted Magnetic Recording (HAMR); Silicon nitride waveguide structures for nanoscale direction and focussing of light Plasmonic structures for applications in HAMR. Thermo-mechanical properties of gold in high power plasmonics. Conical refraction of light; Perovskite and organic materials for visible photonics; New devices based on 2D materials with epsilon near zero behaviourProjects
- Title
- Study of II-VI Semiconductor Lasers
- Summary
- 29,000
- Funding Agency
- Sony Corporation, Japan (joint JH)
- Date From
- 1996
- Date To
- 1997
- Title
- Study of II-VI Semiconductor Lasers
- Summary
- 247,000
- Funding Agency
- Sony Coporation
- Date From
- 1996
- Date To
- 1998
- Title
- Blue-Green Semiconductor Laser
- Summary
- 29,000
- Funding Agency
- EU ESPRIT Programme
- Date From
- 1998
- Date To
- 1999
- Title
- Many-Body Effects in Semiconductors
- Summary
- 45,000
- Funding Agency
- Forbairt Basic Research (joint CP)
- Date From
- 1996
- Date To
- 1998
- Title
- Tunable Lasers for Gas Sensing Applications
- Summary
- 63,500
- Funding Agency
- Forbairt Strategic Research
- Date From
- 1997
- Date To
- 1999
- Title
- New Optical Amplifiers for Communications
- Summary
- 104,500
- Funding Agency
- Enterprise Ireland Strategic Research
- Date From
- 2001
- Date To
- 2003
- Title
- High Brightness Semiconductor Lasers
- Summary
- 63,500
- Funding Agency
- Enterprise Ireland Strategic Research
- Date From
- 1999
- Date To
- 2002
- Title
- Evolutionary Optimisation of Diode Lasers
- Summary
- 63,500
- Funding Agency
- Enterprise Ireland Strategic Research
- Date From
- 2001
- Date To
- 2003
- Title
- Two-Photon Absorption in Microcavities
- Summary
- 122,000
- Funding Agency
- Enterprise Ireland Basic Research (joint DCU)
- Date From
- 2000
- Date To
- 2002
- Title
- Photonic Device Devlopment and Technology Transfer
- Summary
- 508,000
- Funding Agency
- Optronics Ireland (including Phase 2 projects)
- Date From
- 2000
- Date To
- 2002
- Title
- Photonic Device Devlopment and Technology Transfer
- Summary
- 290,000 of which 120,600 paid in 2002
- Funding Agency
- Optronics Ireland
- Date From
- 2002
- Date To
- 2005
- Title
- Advanced Materials Development
- Summary
- 192,000 (part of £2.9M grant)
- Funding Agency
- PRTLI
- Date From
- 2002
- Date To
- 2006
- Title
- Multi-gas sensing with a Cascaded Diode Laser
- Summary
- 145,000
- Funding Agency
- Enterprise Ireland Research Innovation Fund (joint VW)
- Date From
- 2002
- Date To
- 2004
- Title
- Optical-Spin Interactions
- Summary
- 195,000
- Funding Agency
- EU TMR Network (joint MC)
- Date From
- 2002
- Date To
- 2004
- Title
- Single-Frequency Diode Lasers
- Summary
- 25,000
- Funding Agency
- EblanaPhotonics
- Date From
- 2002
- Title
- Quantum dots for Biomedical Applications
- Summary
- 189,500
- Funding Agency
- Enterprise Ireland RIF Programme (joint YG, DK)
- Title
- Two-photon switching in semiconductors
- Summary
- 330,500
- Funding Agency
- Enterprise Ireland ATRP Programme (joint DCU)
- Title
- Quantum Dot Microlasers
- Summary
- 1,1523,500
- Funding Agency
- SFI Investigator Award
Recognition
Representations
Referee for journal articles in Physical Review Letters, Physics Review B (Condensed Matter), Journal of Luminescence, Electronics Letters, Optical Materials, Journal of Physics-Condensed Matter, Journal of Physics D, Semiconductor Science and Technology, Optics Communications, Nature Communications, Nature Photonics, Science, Optics Express.
ECOC 2019: Chairman of the Technical Programme Committee, European Conference on Optical Communications, attendance > 5000.
External Examiner: University College Galway: Physics Degrees University of Southampton: Photonics Technologies 2011-2017 PhD Examinations including: Nanyang University, Singapore, Humboldt University, Berlin
Juno Initiative: Launched in 2011 with Institute of Physics to improve female participation in Physics. School recently obtained Juno practitioner status
Edward Hutchinson Synge: Forgotten Irish Genius who invented the near-field optical microscope. Book written on his life and works.
Reviewer: European Research Council, started, consolidator, advanced grants. Norwegian Science Council. Fonds National, Canada.
Invited talks: Examples Keynote presentation- Advanced Laser Technologies, 2016 Invited:SPIE Annual Photonics Meeting Chinese Academy of Sciences Bell Labs, New Jersey
Awards and Honours
Fellow of Institute of Physics, London
Fellow of Trinity College Dublin.
Memberships
Fellow, Institute of Physics Member, American Physical Society Member, Optical Society of America Senior Member, Institute of Electrical and Electronic Engineers