Professor Stephen Lynch

2024

• James, F. L. L. et al. 2024. Blue delayed luminescence emission in neutral nitrogen vacancy containing chemical vapor deposition synthetic diamond. physica status solidi (a) – applications and materials science 221(8), article number: 2300651. (10.1002/pssa.202300651)
• Pritchett, J. D. et al. 2024. Giant microwave-optical Kerr nonlinearity via Rydberg excitons in cuprous oxide. APL Photonics 9(3), article number: 31303. (10.1063/5.0192710)
• Komies, S., Sun, J., Hodges, C., Lynch, S. A., Watson, J. S. and Lucyszyn, S. 2024. Low-cost thermal-infrared 'THz-Torch' spectroscopy. IEEE Access 12, pp. 21868-21885. (10.1109/ACCESS.2024.3359054)

2023

• Hekmati, R., Hadden, J. P., Mathew, A., Bishop, S. G., Lynch, S. A. and Bennett, A. J. 2023. Bullseye dielectric cavities for photon collection from a surface-mounted quantum-light-emitter. Scientific Reports 13(1), article number: 5316. (10.1038/s41598-023-32359-0)

2022

• Rogers, J. P. et al. 2022. High-resolution nanosecond spectroscopy of even-parity Rydberg excitons in Cu2O. Physical Review B 105(11), article number: 115206. (10.1103/PhysRevB.105.115206)
• Gallagher, L. A. P. et al. 2022. Microwave-optical coupling via Rydberg excitons in cuprous oxide. Physical Review Research 4(1), article number: 13031. (10.1103/PhysRevResearch.4.013031)

2021

• Pavlov, S. G. et al. 2021. Infrared absorption cross sections, and oscillator strengths of interstitial and substitutional double donors in silicon. Physical Review Materials 5(11), article number: 114607. (10.1103/PhysRevMaterials.5.114607)
• Dhara, S., Niang, K. M., Flewitt, A. J., Nathan, A. and Lynch, S. A. 2021. Tail state mediated conduction in zinc tin oxide thinfilm phototransistors under below bandgap optical excitation. Scientific Reports 11(1), article number: 19016. (10.1038/s41598-021-98339-4)
• Lynch, S. A. et al. 2021. Rydberg excitons in synthetic cuprous oxide (Cu2O). Physical Review Materials 5(8), article number: 86402. (10.1103/PhysRevMaterials.5.084602)

2020

• McGuinness, C. D., Wassell, A. M., Lanigan, P. M. and Lynch, S. A. 2020. Separation of natural from laboratory-grown diamond using time-gated luminescence imaging. Gems & Gemmology 56(2), pp. 220-229. (10.5741/GEMS.56.2.220)

2019

• Dhara, S., Niang, K. M., Flewitt, A. J., Nathan, A. and Lynch, S. A. 2019. Photoconductive laser spectroscopy as a method to enhance defect spectral signatures in amorphous oxide semiconductor thin- film transistors. Applied Physics Letters 114(1), article number: 11907. (10.1063/1.5070141)

2018

• Wassell, A. M. et al. 2018. Anomalous green luminescent properties in CVD synthetic diamonds. physica status solidi (a) 215(22), article number: 1800292. (10.1002/pssa.201800292)

2017

• Mandal, S. et al. 2017. Surface zeta potential and diamond seeding on gallium nitride films. ACS Omega 2(10), pp. 7275-7280. (10.1021/acsomega.7b01069)

2016

• Matmon, G., Lynch, S. A., Rosenbaum, T. F., Fisher, A. J. and Aeppli, G. 2016. Optical response from terahertz to visible light of electronuclear transitions in LiYF4:Ho3+. Physical Review B 94(20), article number: 205132. (10.1103/PhysRevB.94.205132)

2013

• Hübers, H. et al. 2013. Isotope effect on the lifetime of the 2p0 state in phosphorus-doped silicon. Physical Review B: Condensed Matter and Materials Physics 88(3), article number: 35201. (10.1103/PhysRevB.88.035201)
• Vinh, N. Q. et al. 2013. Time-resolved dynamics of shallow acceptor transitions in silicon. Physical Review X 3(1), article number: 11019. (10.1103/PhysRevX.3.011019)
• Astrov, Y. A., Lynch, S. A., Shuman, V. B., Portsel, L. M., Makhova, A. A. and Lodygin, A. N. 2013. Silicon with an increased content of monoatomic sulfur centers: Sample fabrication and optical spectroscopy. Semiconductors 47(2), pp. 247-251. (10.1134/S1063782613020048)

2012

• Nickels, P. et al. 2012. Laboratory scale water circuit including a photocatalytic reactor and a portable in-stream sensor to monitor pollutant degradation. Industrial & Engineering Chemistry Research 51(8), pp. 3301-3308. (10.1021/ie202366m)
• Hamdy, M. S. et al. 2012. Parameters controlling the photocatalytic performance of ZnO/Hombikat TiO2 composites. Journal of Photochemistry and Photobiology A: Chemistry 228(1), pp. 1-7. (10.1016/j.jphotochem.2011.11.001)

2010

• Lynch, S. A. et al. 2010. Quantum control of phosphorus donor rydberg states in silicon. Presented at: 7th IEEE International Conference on Group IV Photonics (GFP),, Beijing, China, 1-3 Sept. 2010.Proceedings of the 7th IEEE International Conference On Group IV Photonics, Beijing, China, 1-3 September 2010. IEEE International Conference on Group IV Photonics Piscataway, NJ: IEEE pp. 380-382., (10.1109/GROUP4.2010.5643318)
• Lynch, S. A. et al. 2010. First observation of a THz photon echo. Presented at: 35th International Conference on Infrared, Millimeter, and Terahertz Waves, Rome, Italy, 5-10 September 2010Proceedings of the 35th International Conference on Infrared Millimeter and Terahertz Waves (IRMMW-THz), Rome, Italy, 5-10 September 2010. Piscataway, NJ: IEEE pp. 1-2., (10.1109/ICIMW.2010.5612667)
• Lynch, S. A. et al. 2010. Inhomogeneous broadening of phosphorus donor lines in the far-infrared spectra of single-crystalline SiGe. Physical Review. B, Condensed Matter and Materials Physics 82(24), article number: 245206. (10.1103/PhysRevB.82.245206)
• Greenland, P. T. et al. 2010. Coherent control of Rydberg states in silicon. Nature 465(7301), pp. 1057-1061. (10.1038/nature09112)

2008

• Zhao, M., Karim, A., Hansson, G. V., Ni, W., Townsend, P., Lynch, S. A. and Paul, D. J. 2008. Molecular beam epitaxy growth of Si/SiGe bound-to-continuum quantum cascade structures for THz emission. Thin Solid Films 517(1), pp. 34-37. (10.1016/j.tsf.2008.08.091)
• Vinh, N. Q. et al. 2008. Silicon as a model ion trap: time domain measurements of donor Rydberg states. Proceedings of the National Academy of Sciences of the United States of America 105(31), pp. 10649-10653. (10.1073/pnas.0802721105)
• Lynch, S. A. et al. 2008. Lifetime measurements of group V donor Rydberg states in silicon at THz frequencies. Presented at: 5th IEEE International Conference on Group IV Photonics, Sorrento, Italy, 17-19 September 2008 Presented at Pavesi, L. and Priolo, F. eds.Group IV Photonics, 2008, 5th IEEE International Conference, 17-19 Sept. 2008. Los Alamitos, CA: IEEE pp. 24-26., (10.1109/GROUP4.2008.4638084)

2007

• Latkowski, S., Landais, P., Surre, F. and Lynch, S. A. 2007. CW-THz wave generation using a multimode semiconductor laser at room temperature. Presented at: LEOS 2007 - The 20th Annual Meeting of the IEEE Lasers and Electro-Optics Society, Lake Buena Vista, FL, USA, 21-25 October 2007 Presented at Golovchenko, E. and Ünlü, M. S. eds.LEOS 2007 - The 20th Annual Meeting of the IEEE Lasers and Electro-Optics Society. Piscataway, NJ: IEEE pp. 864-865., (10.1109/LEOS.2007.4382682)

2006

• Lynch, S. A. et al. 2006. Toward Silicon-Based Lasers for Terahertz Sources. IEEE Journal of Selected Topics in Quantum Electronics 12(6), pp. 1570-1578. (10.1109/JSTQE.2006.884069)
• Landais, P., Lynch, S. A., O'Gorman, J., Fischer, I. and Elsaer, W. 2006. Self-Pulsation Dynamics in Narrow Stripe Semiconductor Lasers. IEEE Journal of Quantum Electronics 42(4), pp. 381-388. (10.1109/JQE.2006.872309)
• Zhao, M., Ni, W., Townsend, P., Lynch, S. A., Paul, D. J., Hsu, C. C. and Chang, M. N. 2006. Low-temperature molecular beam epitaxy growth of Si/SiGe THz quantum cascade structures on virtual substrates. Thin Solid Films 508(1-2), pp. 24-28. (10.1016/j.tsf.2005.07.355)

2005

• Paul, D. J. et al. 2005. Towards a Si/SiGe quantum cascade laser for terahertz applications. Presented at: Symposium F on Group IV Semiconductor Nanostructures held at the 2004 MRS Fall Meeting, Boston, MA, USA, 29 November - 2 December 2004Symposium F – Group IV Semiconductor Nanostructures. MRS Proceedings Vol. 832. Warrandale, PA: Materials Research Society pp. 59-68., (10.1557/PROC-832-F4.1)
• Lynch, S. A. et al. 2005. Silicon quantum cascade lasers for THz sources. Presented at: 18th Annual Meeting of the IEEE Lasers and Electro-Optics Society (LEOS 2005), Sydney, Australia, 22-28 October 2005 Presented at Golovchenko, E. ed.Proceedings of the 18th Annual Meeting of the IEEE Lasers and Electro-Optics Society (LEOS 2005). Los Alamitos, CA: IEEE pp. 728-729., (10.1109/LEOS.2005.1548213)
• Zhao, M., Ni, W., Townsend, P., Lynch, S. A., Paul, D. J., Hsu, C. C. and Chang, M. N. 2005. Growth and characterization of strain-symmetried Si/SiGe THz quantum cascade structures. Presented at: 2nd IEEE International Conference on Group 1V Photonics 2005, Antwerp, Belgium, 21-23 September 20052nd IEEE International Conference on Group 1V Photonics. Piscataway, NJ: IEEE pp. 10-12., (10.1109/GROUP4.2005.1516385)
• Townsend, P. et al. 2005. LO phonon scattering as a depopulation mechanism in Si/SiGe quantum cascades. Presented at: 2nd IEEE International Conference on Group 1V Photonics, Antwerp, Belgium, 21-23 September 20052nd IEEE International Conference on Group 1V Photonics 2005. Piscataway, NJ: IEEE pp. 7-9., (10.1109/GROUP4.2005.1516384)
• Lynch, S. A. et al. 2005. Terahertz emission and absorption characteristics of silicon containing boron and phosphorous impurity dopants and the effect of temperature. Presented at: 2nd IEEE International Conference on Group 1V Photonics 2005, Antwerp, Belgium, 21-23 September 20052nd IEEE International Conference on Group 1V Photonics 2005. Piscataway, NJ: IEEE pp. 13-16., (10.1109/GROUP4.2005.1516386)
• Kelsall, R. W. et al. 2005. Optical cavities for Si/SiGe tetrahertz quantum cascade emitters. Optical Materials 27(5), pp. 851-854. (10.1016/j.optmat.2004.08.023)
• Lynch, S. A. et al. 2005. Temperature dependence of terahertz optical transitions from boron and phosphorus dopant impurities in silicon. Applied Physics Letters 87(10), article number: 101114. (10.1063/1.2042544)
• Kelsall, R. et al. 2005. Intersubband lifetimes in p-Si/SiGe terahertz quantum cascade heterostructures. Physical Review B: Condensed Matter and Materials Physics 71(11), article number: 115326. (10.1103/PhysRevB.71.115326)
• Zhang, J. et al. 2005. SiGe quantum cascade structures for light emitting devices. Journal of Crystal Growth 278(1-4), pp. 488-494. (10.1016/j.jcrysgro.2004.12.046)
• Kelsall, R. W. et al. 2005. Optical cavities for Si/SiGe tetrahertz quantum cascade emitters. Optical Materials 27(5), pp. 851-854. (10.1016/j.optmat.2004.08.023)

2004

• Paul, D. J. et al. 2004. In search of a Si/SiGe THz quantum cascade laser. Presented at: Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems 2004, Atlanta, GA, USA, 8-10 September 2004Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems 2004. Warrandale, MA: IEEE pp. 143-146., (10.1109/SMIC.2004.1398188)
• Kelsall, R. W. et al. 2004. Towards SiGe Terahertz VCSELs. Materials Science Forum 453-4, pp. 1-8. (10.4028/www.scientific.net/MSF.453-454.1)
• Kelsall, R. W. et al. 2004. Silicon germanium quantum cascade heterostructures for infrared emission. Presented at: 1st IEEE International Conference on Group IV Photonics, Hong Kong, China, 29 September -1 October 2004First IEEE International Conference on Group IV Photonics, 29 Sept.-1 Oct. 2004. Los Alamitos, CA: IEEE pp. 34-36., (10.1109/GROUP4.2004.1416644)
• Lynch, S. A., McEvoy, P., O'Gorman, J., Rees, P., Elsaßer, W. and Landais, P. 2004. Temperature dependence of self-pulsation in compact disc lasers. IEE Proceedings - Optoelectronics 151(6), pp. 496-501. (10.1049/ip-opt:20040792)

2003

• Liew, S. L. et al. 2003. Analysis of terahertz-emitting SiGe quantum cascade structures by transmission electron microscopy. Presented at: Microscopy of semiconducting materials 2003, Cambridge, UK, 31 March - 3 April 2003 Presented at Cullis, A. G. and Midgley, P. A. eds.Microscopy of semiconducting materials 2003: proceedings of the Institute of Physics conference, Cambridge University, 31 March - 3 April 2003. Institute of Physics Conference Series Vol. 180. Bristol: IOP Publishing pp. 155-158.
• Kelsall, R. W. et al. 2003. Terahertz Emission From Silicon-Germanium Quantum Cascades. Presented at: Towards the First Silicon Laser - NATO Advanced Research Workshop, Trento, Italy, 21-26 September 2002 Presented at Pavesi, L., Gaponenko, S. and Dal Negro, L. eds.Towards the First Silicon Laser: Proceedings of the NATO Advanced Research Workshop, Vol. VI. NATO Science Series Vol. 93. Dordrecht: Springer Netherlands pp. 367-382., (10.1007/978-94-010-0149-6_33)
• Paul, D. J. et al. 2003. Electroluminescence from Si/SiGe quantum cascade emitters. Physica E: Low-dimensional Systems and Nanostructures 16(3-4), pp. 309-314. (10.1016/S1386-9477(02)00689-6)
• Bates, R. et al. 2003. Interwell intersubband electroluminescence from Si/SiGe quantum cascade emitters. Applied Physics Letters 83(20), article number: 4092. (10.1063/1.1626003)
• Pidgeon, C. R. et al. 2003. THz intersubband dynamics in p-Si/SiGe quantum well emitter structures. physica status solidi (b) 237(1), pp. 381-385. (10.1002/pssb.200301784)
• Lynch, S. et al. 2003. Far infrared (THz) electroluminescence from Si/SiGe quantum cascade heterostructures. Presented at: Optics and Photonics Technologies and Applications, Galway, Ireland, 5 - 6 Sept 2002 Presented at Thomas, J. G. ed.Opto-Ireland 2002 : optics and photonics technologies and applications : 5-6 September 2002, Galway, Ireland (Proceedings). Proceedings of SPIE--the International Society for Optical Engineering Vol. 4876. Bellingham, WA: SPIE pp. 140-149., (10.1117/12.463738)
• Lynch, S. A. et al. 2003. Far-infrared (THz) electroluminescence from Si/SiGe quantum cascade heterostructures. Presented at: Opto-Ireland 2002: Optics and Photonics Technologies and Applications, Galway, Ireland, 5 September 2002 Presented at Glynn, T. J. ed.Opto-Ireland 2002: Optics and Photonics Technologies and Applications, 5 September 2002, Galway, Ireland. Proceedings of SPIE Vol. 4876. Bellingham, WA: SPIE - International Society for Optical Engineering pp. 140-149., (10.1117/12.463738)
• Paul, D. J. et al. 2003. Si/SiGe quantum-cascade emitters for terahertz applications. Physica E: Low-dimensional Systems and Nanostructures 16(1), pp. 147-155. (10.1016/S1386-9477(02)00590-8)

2002

• Kelsall, R. W. et al. 2002. Terahertz intersubband emission from silicon-germanium quantum cascades. Presented at: IEEE Tenth International Conference on Terahertz Electronics, Cambridge, UK, 9-10 September 2002 Presented at Chamberlain, J. M. et al. eds.Proceedings of the Tenth International Conference on Terahertz Electronics. Warrandale, MA: IEEE pp. 9-12., (10.1109/THZ.2002.1037575)
• Lynch, S. A. et al. 2002. Si-based electroluminescence at THz frequencies. Materials Science and Engineering: B 89(1-3), pp. 10-12. (10.1016/S0921-5107(01)00782-6)
• Murzyn, P. et al. 2002. Picosecond intersubband dynamics in p-Si/SiGe quantum-well emitter structures. Applied Physics Letters 80(8), article number: 1456. (10.1063/1.1452794)
• Pidgeon, C. R. et al. 2002. THz intersubband dynamics in p-Si/SiGe quantum well structures. Physica E: Low-dimensional Systems and Nanostructures 13(2-4), pp. 904-907. (10.1016/S1386-9477(02)00231-X)
• Lynch, S. A. et al. 2002. Intersubband electroluminescence from Si/SiGe cascade emitters at terahertz frequencies. Applied Physics Letters 81(9), article number: 1543. (10.1063/1.1501759)

1999

• Rees, P. et al. 1999. A theoretical analysis of optical clock extraction using a self-pulsating laser diode. IEEE Journal of Quantum Electronics 35(2), pp. 221-227. (10.1109/3.740744)
• Mirasso, C. R. et al. 1999. Self-pulsating semiconductor lasers: theory and experiment. IEEE Journal of Quantum Electronics 35(5), pp. 764-770. (10.1109/3.760324)

1998

• Lynch, S. A., McEvoy, P. T., Landais, P., O'Gorman, J., Hegarty, J. and Elsaesser, W. E. 1998. Temperature dependence of self-pulsation in narrow-stripe gain-guided compact disk laser diodes. Presented at: Laser Diodes and Applications III, Québec, Canada, 15-16 July 1998 Presented at Galarneau, P. ed.Laser Diodes and Applications III, 15-16 July 1998, Quebec, Canada. Proceedings of SPIE Vol. 3415. Bellingham, WA: SPIE - International Society for Optical Engineering pp. 2-10., (10.1117/12.326618)
• Egan, A., Harley-Stead, M., Rees, P., Lynch, S. A., McEvoy, P., O'Gorman, J. and Hegarty, J. 1998. All-optical synchronization of self-pulsating laser diodes with frequency multiplication and division. Journal of Modern Optics 45(6), pp. 1239-1248. (10.1080/095003498151366)

1996

• Egan, A., Harley-Stead, M., Rees, P., Lynch, S. A., McEvoy, P., O'Gorman, J. and Hegarty, J. 1996. All-optical synchronization of self-pulsating laser diodes. Applied Physics Letters 68(25), article number: 3534. (10.1063/1.116521)
• Egan, A., Harley-Stead, M., Rees, P., Lynch, S. A., O'Gorman, J. and Hegarty, J. 1996. An experimental and theoretical analysis of jitter in self-pulsating lasers synchronized to periodic electrical signals. IEEE Photonics Technology Letters 8(6), pp. 758-760. (10.1109/68.502085)