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
  2. Published

    Chaos-pass filtering in injection-locked semiconductor lasers.

    Murakami, A. & Shore, K. A., 1 Nov 2005, In: Physical Review A. 72, 5, p. 053810

    Research output: Contribution to journalArticlepeer-review

  3. Published

    Energy transfer and message filtering in chaos communications using injection locked laser diodes.

    Murakami, A. & Shore, K. A., 1 May 2006, In: International Journal of Microwave and Optical Technology. 1, p. 181-187

    Research output: Contribution to journalArticlepeer-review

  4. Published

    Analogy between optically driven injection-locked laser diodes and driven damped linear oscillators.

    Murakami, A. & Shore, K. A., 1 Apr 2006, In: Physical Review A. 73, 4, p. 043804

    Research output: Contribution to journalArticlepeer-review

  5. Published
  6. Published

    RIN Properties of intersubband semiconductor lasers

    Mustafa, N., Pesquera, L. & Shore, K. A., 1 Jun 2000.

    Research output: Contribution to conferencePaper

  7. Published

    Relative intensity noise of unipolar intersubband semiconductor lasers.

    Mustafa, N., Pesquera, L. & Shore, K. A., 1 Sept 2000, In: Journal of Modern Optics. 47, 11, p. 1825-1835

    Research output: Contribution to journalArticlepeer-review

  8. Published

    Theoretical analysis of small-signal modulation bandwith of unipolar intersubband semiconductor lasers.

    Mustafa, N., Pesquera, L. & Shore, K. A., 1 Jun 2000.

    Research output: Contribution to conferencePaper

  9. Published

    Estimation of delay times from an external double cavity laser experiment

    Ortin, S., Lee, M. W., Pesquera, L., Shore, K. A. & Valle, A., 1 Jun 2004.

    Research output: Contribution to conferencePaper

  10. Published

    Experimental investigation of delayed bifurcations in the stochastic polarization switching of VCSELs

    Paul, J., Masoller, C., Hong, Y. H., Spencer, P. S. & Shore, K. A., 1 Jul 2005.

    Research output: Contribution to conferencePaper

  11. 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

  12. Published

    Cavity length as a key to security in a chaotic optical communications system.

    Paul, J., Sivaprakasam, S., Spencer, P. S. & Shore, K. A., 1 Jan 2002.

    Research output: Contribution to conferencePaper

  13. Published

    Wavelength division multiplexing of external-cavity chaotic semiconductor lasers

    Paul, J., Sivaprakasam, S. & Shore, K. A., 1 Jun 2004.

    Research output: Contribution to conferencePaper

  14. 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

  15. 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

  16. 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

  17. Published

    Dual-channel chaotic optical communications using external-cavity semiconductor lasers.

    Paul, J., Sivaprakasam, S. & Shore, K. A., 1 Mar 2004, In: Journal of the Optical Society of America B: Optical Physics. 21, 3, p. 514-521

    Research output: Contribution to journalArticlepeer-review

  18. 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

  19. Published

    Experimental study of polarization switching of vertical-cavity surface-emitting lasers as a dynamical bifurcation

    Paul, J., Masoller, C., Hong, Y., Spencer, P. S. & Shore, K. A., 15 Mar 2006, In: Optics Letters. 31, 6, p. 748-750

    Research output: Contribution to journalArticlepeer-review

  20. Published

    Experimental and theoretical study of dynamical hysteresis and scaling laws in the polarization switching of vertical-cavity surface-emitting lasers

    Paul, J., Masoller, C., Mandel, P., Hong, Y., Spencer, P. S. & Shore, K. A., 1 Apr 2008, In: Physical Review A. 77, 4, p. 043803

    Research output: Contribution to journalArticlepeer-review

  21. Published

    Simple and accurate optical frequency domain ranging using off-the-shelf DFB lasers subject to frequency-shifted optical feedback

    Paul, J., Hong, Y., Spencer, P., Pierce, I. & Shore, K. A., 1 Nov 2007, In: IEEE Photonics Technology Letters. 19, 21-24, p. 1708-1710

    Research output: Contribution to journalArticlepeer-review

  22. Published

    Cavity length as a key to security in all-optical external cavity chaotic communication scheme

    Paul, J., Sivaprakasam, S., Spencer, P. S. & Shore, K. A., 1 Apr 2002.

    Research output: Contribution to conferencePaper

  23. Published

    Effect of chaos pass filtering on multi-GHz message transmission using chaotic DFB laser diodes

    Paul, J., Lee, M. W. & Shore, K. A., 1 Jul 2005.

    Research output: Contribution to conferencePaper

  24. Published

    Impact of orthogonal optical feedback on the polarization switching of vertical-cavity surface-emitting lasers

    Paul, J., Masoller, C., Hong, Y., Spencer, P. S. & Shore, K. A., 1 Aug 2007, In: Journal of the Optical Society of America B: Optical Physics. 24, 8, p. 1987-1994

    Research output: Contribution to journalArticlepeer-review

  25. Published

    Wavelength division multiplexing of chaotic semiconductor lasers

    Paul, J., Sivaprakasam, S. & Shore, K. A., 1 Apr 2004.

    Research output: Contribution to conferencePaper

  26. Published

    3.5-GHz signal transmission in an all-optical chaotic communication scheme using 1550-nm diode lasers.

    Paul, J., Lee, M. W. & Shore, K. A., 1 Apr 2005, In: IEEE Photonics Technology Letters. 17, 4, p. 920-922

    Research output: Contribution to journalArticlepeer-review

  27. Published

    GHz bandwith message transmission using chaotic diode lasers

    Paul, J., Sivaprakasam, S., Spencer, P. S., Rees, P. & Shore, K. A., 1 Apr 2001.

    Research output: Contribution to conferencePaper

  28. Published

    Ghz Bandwith message transmission using chaotic diode lasers.

    Paul, J., Sivaprakasam, S., Spencer, P. S., Rees, P. & Shore, K. A., 1 Jul 2001.

    Research output: Contribution to conferencePaper

  29. Published

    GHz bandwidth message transmission using chaotic diode lasers.

    Paul, J., Sivaprakasam, S., Spencer, P. S., Rees, P. & Shore, K. A., 3 Jan 2002, In: Electronics Letters. 38, 1, p. 28-29

    Research output: Contribution to journalArticlepeer-review

  30. Published

    Effect of chaos pass filtering on message decoding quality using chaotic external-cavity laser diodes.

    Paul, J., Lee, M. W. & Shore, K. A., 1 Nov 2004, In: Optics Letters. 29, 21, p. 2497-2499

    Research output: Contribution to journalArticlepeer-review

  31. 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

  32. Published

    Wavelength division multiplexing of chaotic external cavity semiconductor lasers

    Paul, J. & Shore, K. A., 1 Dec 2003.

    Research output: Contribution to conferencePaper

  33. Published

    Coupled cavity multi-mode model of laser diode subject to optical feedback

    Perkins, D., Spencer, P. S. & Shore, K. A., 1 Apr 2003.

    Research output: Contribution to conferencePaper

  34. Published

    Identification of the optimum time-delay for chaos synchronisation regimes of semiconductor lasers

    Peters-Flynn, S., Spencer, P. S., Sivaprakasam, S., Pierce, I. & Shore, K. A., 1 Apr 2006.

    Research output: Contribution to conferencePaper

  35. Published

    Identification of the optimum time-delay for chaos synchronization regimes of semiconductor lasers

    Peters-Flynn, S., Spencer, P., Sivaprakasam, S., Pierce, I. & Shore, A., Apr 2006, In: IEEE Journal of Quantum Electronics. 42, 4, p. 427-434

    Research output: Contribution to journalArticlepeer-review

  36. Published

    Theory of inverse synchronisation in chaotic diode lasers.

    Pierce, I., Rees, P., Sivaprakasam, S., Spencer, P. S. & Shore, K. A., 1 Apr 2000.

    Research output: Contribution to conferencePaper

  37. Published

    Regimes of synchronisation in chaotic optical communication systems.

    Pierce, I., Rees, P., Spencer, P. S., Sivaprakasam, S., Paul, J. & Shore, K. A., 1 Aug 2002.

    Research output: Contribution to conferencePaper

  38. Published

    A novel method for determination of the maximum stable feedback level in laser diodes.

    Pierce, I., Rees, P., Spencer, P. S. & Shore, K. A., 16 Mar 2001, In: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 14, 4, p. 345-357

    Research output: Contribution to journalArticlepeer-review

  39. Published

    Effect of carrier heating on chirp and modulation response of directly modulated semiconductor laser diodes.

    Pierce, I., Rees, P., Spencer, P. S. & Shore, K. A., 1 Sept 2000, In: Journal of Modern Optics. 47, 11, p. 1969-1976

    Research output: Contribution to journalArticlepeer-review

  40. Published

    Synchronization regimes in chaotic optical communication systems.

    Pierce, I., Valle, A., Sivaprakasam, S., Rees, P., Spencer, P. S. & Shore, K. A., 1 Jan 2003, In: IEE Proceedings: Optoelectronics. 150, 2, p. 191-198

    Research output: Contribution to journalArticlepeer-review

  41. Published

    Synchronisation regimes in chaotic diodes lasers - effect of injected power

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

    Research output: Contribution to conferencePaper

  42. Published

    Root locus method for predicting the stability of laser diodes with optical feedback

    Pierce, I., Rees, P., Spencer, P. & Shore, K. A., 8 Jun 2000, In: Electronics Letters. 36, 12, p. 1029-1031

    Research output: Contribution to journalArticlepeer-review

  43. Published

    Wavelet operators for nonlinear optical pulse propagation

    Pierce, I., Rees, P. & Shore, K. A., 1 Dec 2000, In: Journal of the Optical Society of America A: Optics Image Science and Vision. 17, 12, p. 2431-2439

    Research output: Contribution to journalArticlepeer-review

  44. 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

  45. Published

    Experimental Investigations of Time-Delay Signature Concealment in Chaotic External Cavity VCSELs Subject to Variable Optical Polarization-Angle of Feedback.

    Priyadarshi, S., Hong, Y., Pierce, I. & Shore, K. A., 1 Jul 2013, In: IEEE Journal of Selected Topics in Quantum Electronics. 19, 4, p. 1700707

    Research output: Contribution to journalArticlepeer-review

  46. Published

    Role of Suppressed Mode in the Polarization Switching Characteristics of Optically Injected VCSELs

    Qader, A. A., Hong, Y. & Shore, K. A., 1 Feb 2013, In: IEEE Journal of Quantum Electronics. 49, 2, p. 205-210

    Research output: Contribution to journalArticlepeer-review

  47. Published

    Lasing Characteristics of VCSELs Subject to Circularly Polarized Optical Injection

    Qader, A., Hong, Y. & Shore, K. A., 9 Nov 2011, In: Journal of Lightwave Technology. 29, 24, p. 3804-3809

    Research output: Contribution to journalArticlepeer-review

  48. Published

    Bandwitdth limitations of chaotic data encryption

    Rees, P., Spencer, P. S., Pierce, I., Sivaprakasam, S., Paul, J. & Shore, K. A., 1 Apr 2002.

    Research output: Contribution to conferencePaper

  49. Published

    Anticipated chaos in a non-symmetric coupled external cavity laser system

    Rees, P., Spencer, P. S., Pierce, I., Sivaprakasam, S. & Shore, K. A., 1 Apr 2002.

    Research output: Contribution to conferencePaper

  50. Published

    Data encryption using synchronized chaotic laser diodes

    Rees, P., Spencer, P. S., Pierce, I., Sivaprakasam, S., Paul, J. & Shore, K. A., 1 Aug 2002.

    Research output: Contribution to conferencePaper