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

    Optical feedback control of polarization switching in vertical-cavity surface-emitting lasers

    Hong, Y. H., Masoller, C., Spencer, P. S. & Shore, K. A., 1 Jun 2004.

    Research output: Contribution to conferencePaper

  2. Published

    Optical frequency domain ranging using a frequency shifted DFB Laser

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

    Research output: Contribution to conferencePaper

  3. Published

    Optical frequency domain ranging using an off-the-shelf DFB laser

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

    Research output: Contribution to conferencePaper

  4. Published

    Optical frequency-domain ranging using a frequency-shifted feedback distributed-feedback laser.

    Paul, J., Hong, Y. H., Spencer, P. S., Pierce, I. & Shore, K. A., 1 Dec 2007, In: IET Optoelectronics. 1, 6, p. 277-279

    Research output: Contribution to journalArticlepeer-review

  5. 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

  6. 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

  7. 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

  8. Published

    Optical technology for chaotic communications.

    Sivaprakasam, S., Spencer, P. S., Pierce, I., Rees, P. & Shore, K. A., 1 Jun 2001.

    Research output: Contribution to conferencePaper

  9. Published

    Optical-feedback-delay dependence of power dropouts in vertical-cavity surface-emitting lasers

    Hong, Y. H. & Shore, K. A., 1 May 2005.

    Research output: Contribution to conferencePaper

  10. Published

    Optically modulated chaotic communication scheme using external-cavity length as a key to security

    Paul, J., Sivaprakasam, S., Spencer, P. S. & Shore, K. A., 1 Mar 2003, In: Journal of the Optical Society of America B: Optical Physics. 20, 3, p. 497-503

    Research output: Contribution to journalArticlepeer-review

  11. Published

    Optimal operating conditions for external cavity semiconductor laser optical chaos communication system

    Priyadarshi, S., Pierce, I., Hong, Y. & Shore, K. A., 1 Sept 2012, In: Semiconductor Science and Technology. 27, 9, p. 094002

    Research output: Contribution to journalArticlepeer-review

  12. Published

    Optimised message extraction in chaotic semiconductor lasers.

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

    Research output: Contribution to conferencePaper

  13. Published

    Optimised message extraction in laser diode based optical chaos communications.

    Hong, Y., Lee, M. W. & Shore, K. A., 1 Feb 2010, In: IEEE Journal of Quantum Electronics. 46, 2, p. 253-257

    Research output: Contribution to journalArticlepeer-review

  14. 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

  15. Published

    Optimum modulation frequency for FM seeded FSF laser ranging.

    Shore, K. A. & Kane, D. M., 1 Dec 2006, In: IEE Proceedings: Optoelectronics. 153, 6, p. 284-286

    Research output: Contribution to journalArticlepeer-review

  16. Published

    Optimum time-delay identification for chaos synchronisation in semiconductor lasers

    Spencer, P. S., Peters-Flynn, S., Pierce, I. & Shore, K. A., 1 Dec 2005.

    Research output: Contribution to conferencePaper

  17. Published

    Orthogonal feedback effect on polarization switching in VCSELs.

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

    Research output: Contribution to conferencePaper

  18. 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

  19. Published

    Parallel optical random bit generator: Optics Letters

    Li, P., Li, K., Guo, X., Guo, Y., Liu, Y., Xu, B., Bogris, A., Alan Shore, K. & Wang, Y., 2019, In: Opt. Lett.. 44, 10, p. 2446-2449 4 p.

    Research output: Contribution to journalArticlepeer-review

  20. Published

    Parameter mismatches and perfect anticipating synchronization in bidirectionally coupled external cavity laser diodes.

    Shahverdiev, E. M., Sivaprakasam, S. & Shore, K. A., 1 Jul 2002, In: Physical Review E. 66, 1, p. 017206

    Research output: Contribution to journalArticlepeer-review

  21. Published

    Parameter mismatches, variable delay times and synchronization in time-delayed systems.

    Shahverdiev, E. M., Nuriev, R. A., Hashimov, R. H. & Shore, K. A., 1 Jul 2005, In: Chaos Solitons and Fractals. 25, 2, p. 325-331

    Research output: Contribution to journalArticlepeer-review

  22. Published

    Partial bi-directional coupling of chaotic diode lasers for secure optical communications

    Sivaprakasam, S., Lee, M. W., Paul, J., Spencer, P. S. & Shore, K. A., 1 Mar 2005.

    Research output: Contribution to conferencePaper

  23. Published
  24. Published

    Performance of two operational modes of a TOAD device subject to frequency-detuned signal and control pulses

    Tang, J. M., Spencer, P. S., Rees, P. & Shore, K. A., 1 Sept 2000.

    Research output: Contribution to conferencePaper

  25. Published

    Phase Conjugate Feedback Effects in Nano-Lasers

    Abdul Sattar, Z. & Shore, K. A., Apr 2016, In: IEEE Journal of Quantum Electronics. 52, 4, 1100108.

    Research output: Contribution to journalArticlepeer-review

  26. Published

    Physics and applications of laser diode chaos

    Sciamanna, M. & Shore, K. A., 27 Feb 2015, In: Nature Photonics. 9, 3, p. 151-162

    Research output: Contribution to journalArticlepeer-review

  27. Published

    Picosecond Optical Pulse Response of Unipolar Intersubband Semiconductor Optical Amplifiers

    Tang, J. M., Cheung, C. Y., Spencer, P. S. & Shore, K. A., 1 Jun 2000.

    Research output: Contribution to conferencePaper

  28. Published

    Picosecond optical pulse interactions in intersubband semiconductor structures with optical gain

    Tang, J. M., Spencer, P. S. & Shore, K. A., 19 Jul 2000.

    Research output: Contribution to conferencePaper

  29. Published

    Picosecond optical pulses in mid-infared intersubband semiconductor optical amplifiers.

    Tang, J. M., Spencer, P. S. & Shore, K. A., 1 May 2001.

    Research output: Contribution to conferencePaper

  30. Published

    Picosend optical pulse response of mid-infrared intersubband semiconductor optical amplifiers.

    Tang, J. M., Spencer, P. S. & Shore, K. A., 1 Nov 2000.

    Research output: Contribution to conferencePaper

  31. Published

    Polarisation independent spectral inversion without frequency shift in a semiconductor optical amplifier

    Hong, Y. H., Bandyopadhyay, S., Spencer, P. S. & Shore, K. A., 1 Jun 2003.

    Research output: Contribution to conferencePaper

  32. Published

    Polarisation-resolved chaos and instabilities in a vertical cavity surface emitting laser subject to optical injection.

    Hong, Y. H., Spencer, P. S., Bandyyopadhyay, S., Rees, P. & Shore, K. A., 1 Feb 2003, In: Optics Communications. 216, 1-3, p. 185-189

    Research output: Contribution to journalArticlepeer-review

  33. Published

    Polarization dynamics in VCSELs subject to optical injection

    Sciamanna, M., Panajotov, K., Monticelli, G., Tabaka, A., Thienpoint, I., Veretennicoff, P., Megret, P., Blondel, M., Bandyopadhyay, S., Hong, Y. H. & Shore, K. A., 1 Jun 2003.

    Research output: Contribution to conferencePaper

  34. Published

    Polarization dynamics of current-modulated vertical-cavity surface-emitting lasers.

    Masoller, C., Torre, M. S. & Shore, K. A., 1 Jan 2007, In: IEEE Journal of Quantum Electronics. 43, 11-12, p. 1074-1082

    Research output: Contribution to journalArticlepeer-review

  35. Published

    Polarization independent four-wave mixing in semiconductor optical amplifiers

    Tang, J. M., Spencer, P. S., Rees, P. & Shore, K. A., 1 Sept 2000.

    Research output: Contribution to conferencePaper

  36. 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

  37. Published

    Polarization switching of VCSELs under orthogonl optical feedback: experiments and theory.

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

    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

    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

  40. 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

  41. Published

    Polarization-insensitive optical spectral inversion without frequency shift based on four-wave mixing in semiconductor optical amplifiers.

    Tang, J. M., Spencer, P. S. & Shore, K. A., 1 Jan 2001, In: Journal of Optics B: Quantum and Semiclassical Optics. 3, p. 148-154

    Research output: Contribution to journalArticlepeer-review

  42. Published

    Polarization-preserved and polarization-rotated synchronization of chaotic vertical-cavity surface-emitting lasers

    Ju, R., Spencer, P. & Shore, K. A., 1 Dec 2005, In: IEEE Journal of Quantum Electronics. 41, 12, p. 1461-1467

    Research output: Contribution to journalArticlepeer-review

  43. Published

    Polarization-resolved RIN of VCSELs under isotropic optical feedback

    Bandyopadhyay, S., Sivaprakasam, S., Hong, Y. H. & Shore, K. A., 1 Apr 2003.

    Research output: Contribution to conferencePaper

  44. 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

  45. Published

    Polarization-resolved relative intensity noise measurements of a vertical-cavity surface-emitting laser subjected to strong optical feedback.

    Sivaprakasam, S., Bandyopadhyay, S., Hong Y.H., N. V., Spencer, P. S. & Shore, K. A., 1 Jan 2004, In: IEEE Photonics Technology Letters. 16, 1, p. 9-11

    Research output: Contribution to journalArticlepeer-review

  46. 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

  47. Published

    Polymer circular distributed feedback lasers

    Carelton, A., Turnbull, G. A., Samuel, I. D., Barlow, G. F. & Shore, K. A., 1 Sept 2004.

    Research output: Contribution to conferencePaper

  48. Published
  49. Published

    Power and frequency dependence of hysteresis in optically bistable injection-locked VCSELs.

    Hong, Y., Spencer, P. & Shore, K. A., 26 Apr 2001, In: Electronics Letters. 37, 9, p. 569-570

    Research output: Contribution to journalArticlepeer-review

  50. Published

    Practical approached for reducing pump power dependence of the transparency condition in semiconductor optical amplifiers

    Tang, J. M., Spencer, P. S., Rees, P. & Shore, K. A., 1 Sept 2000.

    Research output: Contribution to conferencePaper