Trinity College Dublin

Prof. John Donegan - Principal Investigator

Biography

1982 B.Sc. (1st Class Hons) Physics, National University of Ireland, Galway
1984 M.Sc. Physics, National University of Ireland, Galway
1986 Ph.D. Physics, National University of Ireland, Galway
1997 M.A. (j.o.) University of Dublin, Trinity College

2008-Present Head of School of Physics, Trinity College Dublin
2007-2008 Trinity College Board Member, Fellows Constituency
2007-2008 Chairman, Personnel and Appointments Committee, Trinity College Dublin
2005-2008 Director of Research, School of Physics, Trinity College Dublin
2003-Present Associate Professor, School of Physics, Trinity College Dublin
2000-2003 Senior Lecturer, Department of Physics, Trinity College Dublin
1999-2002 Course Director, Physics and Chemistry of Advanced Materials
1993-2000 Lecturer, Department of Physics, Trinity College Dublin
1989-1993 Senior Research Officer, Optronics Ireland Research Centre, Trinity College Dublin
1988-1989 Postdoctoral Researcher, Max-Planck Institutë Festkörperforschung, Stuttgart, Germany
1986-1988 Research Fellow, Sherman Fairchild Laboratory, Lehigh University, Bethlehem Pennsylvania, USA

Research Interests:

Photonic structures including: Fiber Lasers and Amplifiers; Microcavity structures for nonlinear optical interactions; Tunable diode lasers based on slotted Fabry-Perot structures; Integrated laser and optical modulator structures; CdTe nanocrystals and nanowires as novel photon emitters; Single and coupled Microsphere resonators.

Main publications:

• 'Whispering Gallery Mode Emission from a Composite System of CdTe Nanocrystals and a Spherical Microcavity' Semiconductor Science and Technology 18 (2003) 914-918 [Yu.P. Rakovich, L. Yang, E.M. McCabe, J. F. Donegan, T. Perova, A. Moore, N. Gaponik and A.L. Rogach]
• 'Effect of ZnS shell thickness on the Raman spectra of CdSe quantum dots' Physical Review B 68 (2003) 165306 [A.V. Baranov, Yu.P. Rakovich, J. F. Donegan, T.S. Perova, R.A. Moore, D.V. Talapin, A.L. Rogach, Y. Masamuto and I. Nabiev]
• 'Fine structure of coupled modes in photonic molecules' Physical Review A 70 051801(R) (2004) [Y.P. Rakovich, J.F. Donegan, M. Gerlach, A.L. Bradley, T.M. Connolly, J.J. Boland, N. Gaponik, and A. L. Rogach]
• 'Anti-Stokes photoluminescence in semiconducotor nanocrystals quantum dots' in " Semiconductor Nanocrystal Quantum Dots " ed. Andrey L. Rogach, Springer 2008, [Y.P. Rakovich, J.F. Donegan]
• 'Radiation-pressure-induced mode splitting in a spherical microcavity' Optics Express 15 (2007) 3597-3606 [M. Gerlach, Y.P. Rakovich and J.F. Donegan]
• 'The fabrication, fluorescence dynamics, and whispering gallery modes of novel microtube resonators' Advanced Functional Materials 17 (2007) 1106-1114 [Y.P. Rakovich, S. Balakrishnan, Y. Gun'ko, J.F. Donegan, T.S. Perova, and R.A. Moore]
• 'Aqueous Synthesis of Thiol-Capped CdTe Nanocrystals: State-of-the-Art' Journal of Physical Chemistry C 111 (2007) 14628-14637 Review Article [Andrey L. Rogach, Thomas Franzl, Thomas A. Klar, and Jochen Feldman, Nikolai Gaponik, Alexey Shavel, and Alexander Eychmuller, Yuri P. Rakovich and John F. Donegan]
• 'Non-Functionalized Nanocrystals Can Exploit a Cell's Active Transport Machinery Delivering Them to Specific Nuclear and Cytoplasmic Compartments' NanoLetters 7 (2007) 3452-3461 [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]
• 'CdTe Nanowire Networks: Fast Self-Assembly in Solution, Internal Structure and Optical Properties'Journal of Physical Chemistry C 111 (2007) 18927-18931 [Yury P. Rakovich, Yuri Volkov, Sameer Sapra, Andrei S. Susha, Markus Döblinger, John F. Donegan, and Andrey L. Rogach]
• 'Nanojets and directional emission from symmetric photonic molecules' Optics Express 15 (2007) 17343-17350 [M. Gerlach, Y.P. Rakovich and J.F. Donegan]
• 'Influence of cavity lifetime on high-finesse microcavity two-photon absorption photodetectors' IEEE Photonics Technology Letters 19 (2007) 432-4 [W.H. Guo,. J. O,Dowd, M. Lynch, A.L. Bradley, J.F. Donegan, and L.P.Barry]
• 'A novel two-section tunable discrete mode Fabry-Perot laser exhibiting nanosecond wavelength switching' IEEE Journal of Quantum Electronics 44 (2008) 331-337 [R. Phelan, W. H Guo, Q. Y Lu, D. Byrne, B. Roycroft, P.Lambkin, B. Corbett, F. Smyth, L.P. Barry, B. Kelly, J O'Gorman and J. F. Donegan]
• 'Two photon absorption generated by optically amplified signals' Electronics Letters 44 (2008) 1087-1088 [J. O'Dowd, D. C. Kilper, W. H. Guo, M. Lynch, A.L. Bradley, S. Chandrasekhar and J. F. Donegan]
• 'Polarization response of a semiconductor microcavity Optics Express 16 (2008) 17682-17688 [J. O'Dowd, Wei-Hua Guo, E. Flood, M. Lynch, A.L. Bradley, J.F. Donegan, K. Bondarczuk, P. J. Maguire, D. Reid, L. P. Barry]
• 'A novel two-section tunable discrete mode Fabry-Perot laser exhibiting nanosecond wavelength switching' IEEE Journal of Quantum Electronics 44 (2008) 331-337 [R. Phelan, W. H Guo, Q. Y Lu, D. Byrne, B. Roycroft, P.Lambkin, B. Corbett, F. Smyth, L.P. Barry, B. Kelly, J O'Gorman and J. F. Donegan]

Awards & Honours:

1987 Chartered Physicist, Institute of Physics, London, UK
2000 Elected Fellow of Trinity College Dublin
2002 Fellow of Institute of Physics, London, UK
2005 Fellow of the Institute of Nanotechnology, London, UK
2008 Senior Member, Institute of Electronic and Electrical Engineering (IEEE), US