Professor K. Alan Shore

Emeritus Professor

Contact info

K. Alan Shore received a BA ( MA) in mathematics from the University of Oxford, Oxford, U.K., and the Ph.D. degree from the then University College, Cardiff, Wales, U.K.

He was a Lecturer with the University of Liverpool from 1979 to 1983 and with the University of Bath, where he became a Senior Lecturer in 1986, a Reader in 1990, and a Professor in 1995. He was a Visiting Researcher with the Center for High Technology Materials, University of New Mexico, Albuquerque, USA, in 1987. In 1989, he was a Visiting Researcher with the Huygens Laboratory, Leiden University, The Netherlands. From 1990 to 1991, he was with the Teledanmark Research Laboratory and the MIDIT Center of the Technical University of Denmark, Lyngby. He was a Guest Researcher with the Electrotechnical Laboratory, Tsukuba, Japan, in 1991. In 1992, he was a Visiting Professor with the Department of Physics, University de les IllesBalears, Palma–Majorca, Spain. He was a Visiting Lecturer with the Instituto de Fisica de Cantabria, Santander, Spain, from 1996 to 1998, and a Visiting Researcher with the Department of Physics, Macquarie University, Sydney, Australia, in 1996, 1998, 2000, 2002, 2005, and 2008. In 2001, he was a Visiting Researcher with the ATR Adaptive Communications Laboratories, Kyoto, Japan. From 2001 to 2008, he was the Director of Industrial and Commercial Optoelectronics (ICON), a Welsh Development Agency Centre of Excellence.

He has authored or co-authored more than 1000 contributions to archival journals, books, and technical conferences. With Prof. Deb Kane, he co-edited the research monograph Unlocking Dynamical Diversity. His research work has been principally in the area of semiconductor optoelectronic device design and experimental characterization with particular emphasis on nonlinearities in laser diodes and semiconductor optical waveguides. His current research interests include semiconductor laser nonlinear dynamics and its applications, and the dynamics  of semiconductor nanolasers.

In 1995, he was appointed to the Chair of Electronic Engineering at Bangor University. He was the Chair of the Welsh Optoelectronics Forum from 2006 to 2008 and has chaired the Photonics Academy for Wales, since its establishment in 2005. From 2008 to 2011, he was the Chair of the Quantum Electronics Commission of the International Union of Pure and Applied Physics.

Prof. Shore has been a Program Member for several OSA conferences. In 2010, he held a Japan Society for the Promotion of Science Invitation Fellowship with the Ultrafast Photonics Group, Graduate School of Materials Science, Nara Institute of Science and Technology, Nara, Japan.

He was a Co-Organizer of a Rank Prize Symposium on Nonlinear Dynamics in Lasers held at the Lake District, U.K., in 2002. He cofounded and from 1987 to 2012 acted as the Organizer and Program Committee Chair for the International Conference on Semiconductor and Integrated Optoelectronics (SIOE), which is held annually in Cardiff, Wales, U.K. He chaired the Education and Training in Optics and Photonics conference held at the Technium OpTIC, Wales, 2009. He coordinated International Year of Light activities in Wales during 2015.He chaired the Science and Technology Committee of the National Eisteddfod of Wales, Bodedern, 2017.

He was awarded the Science and Technology Medal of the National Eisteddfod of Wales, Boduan, 2023

He is a Fellow of the Optical Society of America, the Institute of Physics, and the Learned Society of Wales for which he has served as a Council Member from 2012 to 2015 and from 2016 to 2024 and as its General Secretary from 2017 to 2023.

He is a member of the 2023/2024 UK Young Academy Membership Selection Committee.

He is the  Manager for Wales of the Alumni Association of the Japan Society for the Promotion of Science ( JSPS)

  1. Published

    Chaos synchronisation in unidirectionally coupled VCSELs with polarisation-preserved and polarisation-selected injection.

    Hong, Y. H., Lee, M. W., Paul, J., Spencer, P. S. & Shore, K. A., 1 Jul 2008.

    Research output: Contribution to conferencePaper

  2. Published

    Experimental study of dynamical hysteresis of turn-on and turn-off in Vertical-Cavity Surface-Emitting Lasers.

    Hong, Y., Priyadarshi, S., Qader, A. A., Spencer, P. S. & Shore, K. A., 1 Jan 2010.

    Research output: Contribution to conferencePaper

  3. Published

    Enhanced Flat Broadband Optical Chaos Using Low-Cost VCSEL and Fiber Ring Resonator

    Hong, Y., Chen, X., Spencer, P. & Shore, K., 6 Jan 2015, In: IEEE Journal of Quantum Electronics. 51, 3, p. 1200106

    Research output: Contribution to journalArticlepeer-review

  4. Published

    Spectral signatures of the dynamics of current-modulated vertical-cavity surface-emitting lasers subject to optical feedback.

    Hong, Y. H., Bandyopadhyay, S. & Shore, K. A., 1 Nov 2005, In: Journal of the Optical Society of America B: Optical Physics. 22, 11, p. 2350-2356

    Research output: Contribution to journalArticlepeer-review

  5. Published

    Side-mode resonance in a fabry-perot semiconductor laser with intermodal injection

    Hong, Y. H., Lawrence, J., Kane, D. M. & Shore, K. A., 1 Sept 2000.

    Research output: Contribution to conferencePaper

  6. Published

    Chaotic vertical-cavity surface-emitting laser for 14 GHz message transmission.

    Hong, Y. H., Lee, M. W., Paul, J., Spencer, P. S. & Shore, K. A., 1 Sept 2008.

    Research output: Contribution to conferencePaper

  7. Published

    Synchronization of chaos in unidirectionally coupled vertical-cavity surface-emitting semiconductor lasers.

    Hong, Y. H., Lee, M. W., Spencer, P. S. & Shore, K. A., 1 Jun 2004, In: Optics Letters. 29, 11, p. 1215-1217

    Research output: Contribution to journalArticlepeer-review

  8. Published

    Influence of low-frequency modulation on polarization switching of VCSELs subject to optical feedback

    Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 1 Jan 2008, In: IEEE Journal of Quantum Electronics. 44, 1-2, p. 30-35

    Research output: Contribution to journalArticlepeer-review

  9. Published

    Nanoscale optical measurements of VCSEL transverse mode structure.

    Hong, Y. H., Cambridge, J. A., Shore, K. A., Larsson, A., Carlsson, C. & Halonen, J., 1 Jul 2001.

    Research output: Contribution to conferencePaper

  10. Published

    Experimental characterisation of chaos synchronization in unidirectionally coupled VCSELs with polarisation-preserved and polarisation-selected optical injection

    Hong, Y. H., Lee, M. W., Paul, J., Spencer, P. S. & Shore, K. A., 1 Apr 2008.

    Research output: Contribution to conferencePaper

  11. Published

    The effects of polarization-resolved optical feedback on the relative intensity noise and polarization stability of vertical-cavity surface-emitting lasers

    Hong, Y., Paul, J., Spencer, P. & Shore, K. A., 7 Aug 2006, In: Journal of Lightwave Technology. 24, 8, p. 3210-3216

    Research output: Contribution to journalArticlepeer-review

  12. Published

    Low-frequency modulation effects on the polarization dynamics of vertical-cavity surface-emitting lasers subject to optical feedback.

    Hong, Y. H., Paul, J., Spencer, P. S. & Shore, K. A., 1 Jun 2007.

    Research output: Contribution to conferencePaper

  13. Published

    Influence of optical feedback on anticorrelation polarization dynamics in vertical-cavity surface-emitting lasers

    Hong, Y. H., Paul, J., Spencer, P. S. & Shore, K. A., 1 Apr 2006.

    Research output: Contribution to conferencePaper

  14. Published

    Statistical measures of the power dropout ratio in semiconductor lasers subject to optical feedback.

    Hong, Y. H. & Shore, K. A., 15 Dec 2005, In: Optics Letters. 30, 24, p. 3332-3334

    Research output: Contribution to journalArticlepeer-review

  15. Published

    Chaotic optical data encryption using external-cavity VCSELs

    Hong, Y. H., Lee, M. W. & Shore, K. A., 1 Oct 2004.

    Research output: Contribution to conferencePaper

  16. Published

    Transverse mode dynamics of vertical cavity surface emitting lasers subject to optical injection

    Hong, Y. H., Spencer, P. S. & Shore, K. A., 1 Sept 2001.

    Research output: Contribution to conferencePaper

  17. Published

    Enhanced chaos synchronization in unidirectionally coupled vertical-cavity surface-emitting semiconductor lasers with polarization-preserved injection

    Hong, Y., Lee, M. W., Paul, J., Spencer, P. S. & Shore, K. A., 15 Mar 2008, In: Optics Letters. 33, 6, p. 587-589

    Research output: Contribution to journalArticlepeer-review

  18. Published

    Influence of Optical Feedback Time-Delay on Power-Drops in Vertical-Cavity Surface-Emitting Lasers

    Hong, Y. & Shore, K. A., 1 Aug 2005, In: IEEE Journal of Quantum Electronics. 41, 8, p. 1054-1057

    Research output: Contribution to journalArticlepeer-review

  19. Published

    Optical phase conjugation using four-wave mixing in multisection laser diodes

    Hong, Y. H., Brooks, N., Sarma, J. & Shore, K. A., 1 Sept 2000.

    Research output: Contribution to conferencePaper

  20. Published

    Polarization-independent optical spectral inversion without frequency shift using a single semiconductor optical amplifier.

    Hong, Y. H., Bandyopadhyay, S., Spencer, P. S. & Shore, K. A., 1 Sept 2003, In: IEEE Journal of Quantum Electronics. 39, 9, p. 1123-1128

    Research output: Contribution to journalArticlepeer-review

  21. Published

    Polarization switching in a vertical cavity surface-emitting semiconductor laser by optical injection.

    Hong, Y. H., Shore, K. A., Larsson, A., Ghisoni, M. & Halonen, J., 1 Apr 2000.

    Research output: Contribution to conferencePaper

  22. Published
  23. Published

    Dynamics of a fabry-perot semiconductor laser with intermodal injection.

    Hong, Y. H. & Shore, K. A., 1 Apr 2000.

    Research output: Contribution to conferencePaper

  24. Published

    Effect of bias current modulation rate on polarisation switching of external cavity VCSELS

    Hong, Y. H., Paul, J., Spencer, P. S. & Shore, K. A., 1 Apr 2007.

    Research output: Contribution to conferencePaper

  25. Published

    Optical injection dynamics of two-mode vertical cavity surface-emitting semiconductor lasers.

    Hong, Y. H., Bandyopadhyay, S., Sivaprakasam, S., Spencer, P. S. & Shore, K. A., 1 Mar 2002, In: IEEE Journal of Quantum Electronics. 38, 3, p. 274-278

    Research output: Contribution to journalArticlepeer-review

  26. Published

    Wide Band Polarization-Free Wavelength Conversion Based on Four-Wave -Mixing in Semiconductor Optical Amplifiers

    Hong, Y., Spencer, P. S. & Shore, K. A., 1 Feb 2004, In: IEEE Journal of Quantum Electronics. 40, 2, p. 152-156

    Research output: Contribution to journalArticlepeer-review

  27. Published

    Optimised message extraction in chaotic semiconductor lasers.

    Hong, Y., Lee, M. W. & Shore, K. A., 1 Jan 2009.

    Research output: Contribution to conferencePaper

  28. Published

    Enhancement of chaotic signal bandwidth in vertical-cavity surface-emitting lasers with optical injection

    Hong, Y., Spencer, P. S. & Shore, K. A., 22 Feb 2012, In: Journal of the Optical Society of America B: Optical Physics. 29, 3, p. 415-419

    Research output: Contribution to journalArticlepeer-review

  29. Published

    Polarization-resolved chaos in VCSEL subject to optical injection.

    Hong, Y. H., Rees, P., Spencer, P. S., Bandyopadhyay, S. & Shore, K. A., 1 May 2002.

    Research output: Contribution to conferencePaper

  30. Published

    Enhanced intensity fluctuations in a laser diode subject to optical feedback

    Hong, Y. H., Masoller, C., Ju, R., Bandyopadhyay, S., Sivaprakasam, S., Spencer, P. S. & Shore, K. A., 1 Jun 2003.

    Research output: Contribution to conferencePaper

  31. Published

    Signal reconstruction in semiconductor lasers subject to optical feedback using a modified extended Kalman filter.

    Hugues-Salas, O. & Shore, K. A., 1 Jan 2009.

    Research output: Contribution to conferencePaper

  32. Published

    An extended Kalman filtering approach to nonlinear time-delay systems: application to chaotic secure communications.

    Hugues-Salas, O. & Shore, K. A., 1 Sept 2010, In: IEEE Transactions on Circuits and Systems I: Regular Papers. 57, 9, p. 2520-2530

    Research output: Contribution to journalArticlepeer-review

  33. Published

    Stabilisation of chaotic dynamics in semiconductor lasers with optical feedback using optimal control.

    Hugues-Salas, O., Shore, K. A. & Banks, S. P., 1 Dec 2008, In: IET Optoelectronics. 2, 6, p. 231-240

    Research output: Contribution to journalArticlepeer-review

  34. Published

    Modified long-range surface plasmon polariton modes for laser nanoresonators

    Ikeda, K., Fainman, Y., Shore, K. A. & Kawaguchi, H., 1 Sept 2011, In: IEEE Journal of Applied Physics. 110, 6, p. 063106-063106-6

    Research output: Contribution to journalArticlepeer-review

  35. Published

    Optical injection-induced polarization switching dynamics in 1.5μm wavelength single-mode vertical-cavity surface-emitting lasers.

    Jeong, K. H., Kim, K. H., Lee, S. H., Lee, M. H., Yoo, B. S. & Shore, K. A., 1 Jan 2008, In: IEEE Photonics Technology Letters. 20, 9-12, p. 779-781

    Research output: Contribution to journalArticlepeer-review

  36. Published

    Polarization switching of a 1.5 um wavelength single mode VCSEL under optical injection locking.

    Jeong, K. H., Kim, K. H., Lee, M. H., Yoo, B. S. & Shore, K. A., 1 Jun 2007.

    Research output: Contribution to conferencePaper

  37. Published

    Polarization-switching based prototype optical flip-flop operation of a 1.55-um wavelength single-mode vertical cavity surface emitting laser.

    Jeong, K. H., Kim, K. H., Lee, S. H., Lee, M. H., Yoo, B. S. & Shore, K. A., 1 Aug 2008.

    Research output: Contribution to conferencePaper

  38. Published

    Polarization switching of a 1.5 um wavelength single mode VCSEL under optical injection locking

    Jeong, K. H., Kim, K. H., Lee, M. H., Yoo, B. S. & Shore, K. A., 1 Aug 2007.

    Research output: Contribution to conferencePaper

  39. Published

    Optimization of adaptively modulated optical OFDM modems for multimode fiber-based local area networks

    Jin, X., Tang, J., Spencer, P. S. & Shore, K. A., 1 Mar 2008, In: Journal of Optical Networking. 7, 3, p. 198-214

    Research output: Contribution to journalArticlepeer-review

  40. Published

    Synchronisation of Chaotic Self-Pulsating Laser Diodes.

    Jones, R. J., Spencer, P. S., Rees, P. & Shore, K. A., 1 Jun 2000.

    Research output: Contribution to conferencePaper

  41. Published

    Influence of detuned injection locking on the relaxation oscillation frequency of a multimode semiconductor laser.

    Jones, R. J., Spencer, P. S. & Shore, K. A., 1 Sept 2000, In: Journal of Modern Optics. 47, 11, p. 1977-1986

    Research output: Contribution to journalArticlepeer-review

  42. Published

    Chaos and synchronization of self-pulsating laser diodes

    Jones, R. J., Rees, P., Spencer, P. & Shore, K. A., 1 Feb 2001, In: Journal of the Optical Society of America B: Optical Physics. 18, 2, p. 166-172

    Research output: Contribution to journalArticlepeer-review

  43. Published

    Detailed stability analysis of a short external cavity laser diode with variations in feedback phase.

    Jones, R. J., Rees, P., Spencer, P. S., Lawrence, J., Kane, D. M. & Shore, K. A., 1 Apr 2000.

    Research output: Contribution to conferencePaper

  44. Published

    Output power changes in laser diodes subject to sub-wavelength changes in external cavity length: Theory and Experiment

    Jones, R. J., Rees, P., Spencer, P. S., Lawrence, J., Kane, D. M. & Shore, K. A., 1 Sept 2000.

    Research output: Contribution to conferencePaper

  45. Published

    Detuned side-mode injection for enhancing oscillation frequency of a semiconductor laser.

    Jones, R. J., Rees, P., Spencer, P. S. & Shore, K. A., 1 Feb 2001, In: IEE Proceedings: Optoelectronics. 148, 1, p. 35-39

    Research output: Contribution to journalArticlepeer-review

  46. Published

    Integrity of semiconductor laser chaotic communications to naive eavesdroppers.

    Jones, R. J., Sivaprakasam, S. & Shore, K. A., 15 Nov 2000, In: Optics Letters. 25, 22, p. 1663-1665

    Research output: Contribution to journalArticlepeer-review

  47. Published

    Controlling chaos in a semiconductor laser by external optical injection.

    Jones, R. J., Spencer, P. S. & Shore, K. A., 1 Feb 2000, In: IEE Proceedings: Optoelectronics. 147, 1, p. 67-70

    Research output: Contribution to journalArticlepeer-review

  48. Published

    Chaotic synchronisation with self-pulsating semiconductor lasers.

    Jones, R. J., Spencer, P. S., Rees, P. & Shore, K. A., 1 Jan 2000.

    Research output: Contribution to conferencePaper

  49. Published

    Synchronisation of chaotic CD semiconductor lasers.

    Jones, R. J., Rees, P., Spencer, P. S. & Shore, K. A., 1 Apr 2000.

    Research output: Contribution to conferencePaper

  50. Published

    Synchronisation of chaotic self-pulsating semiconductor lasers

    Jones, R. J., Valle, A., Revuelta, J., Rees, P., Spencer, P. S., Pesquera, L. & Shore, K. A., 1 Sept 2000.

    Research output: Contribution to conferencePaper