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

    Input/output reconfigurable adaptively modulated optical OFDM modems using subcarrier modulation

    Zheng, X., Wei, J. L., Yang, X. L., Giddings, R. P., Tang, J. M. & Shore, K. A., 2009, p. 1-2. 2 p.

    Research output: Contribution to conferencePaperpeer-review

  2. Published

    Leader-laggard synchronization of polarization chaos in mutually coupled free-running VCSELs

    Zhang, X., Li, P., Jia, Z., Shore, K. A. & Wang, Y., 10 Jan 2023, In: Opt. Express. 31, 2, p. 2414-2425 12 p.

    Research output: Contribution to journalArticlepeer-review

  3. Published

    Terahertz pulse generation and detection with LT-GaAs photoconductive antenna

    Zhang, J., Hong, Y., Braunstein, S. L. & Shore, K. A., 26 Apr 2004, In: IEE Proceedings: Optoelectronics. 151, 2, p. 98-101

    Research output: Contribution to journalArticlepeer-review

  4. Published

    SOA intensity modulator-enabled colourless transmission of adaptively modulated optical OFDM signals for WDM-PONs

    Wei, J. L., Yang, X. L., Giddings, R. P., Tang, J. M. & Shore, K. A., 2009, p. 1-2. 2 p.

    Research output: Contribution to conferencePaperpeer-review

  5. Published

    Synchronization of polarization chaos in mutually coupled free-running VCSELs

    Wang, Z., Li, P., Jia, Z., Wang, W., Xu, B., Shore, K. A. & Wang, Y., 1 Jun 2021, In: Opt. Express. 29, 12, p. 17940-17950 11 p.

    Research output: Contribution to journalArticlepeer-review

  6. Published

    Real-Time 2.5-Gb/s Correlated Random Bit Generation Using Synchronized Chaos Induced by a Common Laser with Dispersive Feedback

    Wang, L., Wang, D., Gao, H., Guo, Y., Hong, Y. & Shore, A., Feb 2020, In: IEEE Journal of Quantum Electronics. 56, 1

    Research output: Contribution to journalArticlepeer-review

  7. Published

    Optical Heterodyne Generation of High-Dimensional and Broadband White Chaos

    Wang, A. B., Wang, B. J., Li, L., Wang, Y. C. & Shore, K. A., 28 Apr 2015, In: IEEE Journal of Selected Topics in Quantum Electronics. 21, 6, p. Article Number: 1800710

    Research output: Contribution to journalArticlepeer-review

  8. Published

    Influence of grating characteristics on the operation of circular-grating distributed-feedback polymer lasers.

    Turnbull, G. A., Carelton, A., Barlow, G. F., Tahraouhi, A., Krauss, T. F., Shore, K. A. & Samuel, I. D., 15 Jun 2005, In: Journal of Applied Physics. 98, 2, p. 023105

    Research output: Contribution to journalArticlepeer-review

  9. Published

    Effect of gain localization in circular-grating distributed feedback lasers.

    Turnbull, G. A., Carelton, A., Tahraouhi, A., Krauss, T. F., Samuel, I. D., Barlow, G. F. & Shore, K. A., 1 Nov 2005, In: Applied Physics Letters. 87, 20, p. 201101

    Research output: Contribution to journalArticlepeer-review

  10. Published

    Numerical study of optical injection dynamics of vertical-cavity surface-emitting lasers.

    Torre, M. S., Masoller, C. & Shore, K. A., 1 Jan 2004, In: IEEE Journal of Quantum Electronics. 40, 1, p. 25-30

    Research output: Contribution to journalArticlepeer-review

  11. Published

    Nonlinear dynamics of VCSELs subject to resonant modulation.

    Torre, M. S., Masoller, C. & Shore, K. A., 1 Dec 2006.

    Research output: Contribution to conferencePaper

  12. Published

    Transverse-mode dynamics in directly modulated vertical-cavity surface-emitting lasers with optical feedback

    Torre, M. S., Masoller, C., Mandel, P. & Shore, K. A., 1 Jun 2004, In: IEEE Journal of Quantum Electronics. 40, 6, p. 620-628

    Research output: Contribution to journalArticlepeer-review

  13. Published

    Synchronization of unidirectionally coupled multi-transverse-mode vertical-cavity surface-emitting lasers.

    Torre, M. S., Masoller, C. & Shore, K. A., 1 Oct 2004, In: Journal of the Optical Society of America B: Optical Physics. 21, 10, p. 1772-1780

    Research output: Contribution to journalArticlepeer-review

  14. Published

    Effects of current modulation on the transverse-mode dynamics of vertical-cavity surface-emitting lasers with weak optical feedback

    Torre, M. S., Masoller, C., Mandel, P. & Shore, K. A., 1 Jun 2003.

    Research output: Contribution to conferencePaper

  15. Published

    Synchronization of unidirectionally coupled multi-transverse mode vertical-cavity surface-emitting lasers

    Torre, M. S., Masoller, C. & Shore, K. A., 1 Oct 2004.

    Research output: Contribution to conferencePaper

  16. Published

    Enhanced sensitivity to current modulation near dynamic instability in semiconductor lasers with optical feedback and optical injection.

    Torre, M. S., Masoller, C., Mandel, P. & Shore, K. A., 1 Feb 2004, In: Journal of the Optical Society of America B: Optical Physics. 21, 2, p. 302-306

    Research output: Contribution to journalArticlepeer-review

  17. Published

    Chaotic semiconductor laser (CSL) and synchronised CSL: Chaos analysis and noise

    Toomey, J. P., Kane, D. M., Lee, M. W. & Shore, K. A., 1 Oct 2005.

    Research output: Contribution to conferencePaper

  18. Published

    Nonlinear dynamics of semiconductor lasers with feedback and modulation.

    Toomey, J. P., Kane, D. M., Lee, M. W. & Shore, K. A., 2 Aug 2010, In: Optics Express. 18, 16, p. 16955-16972

    Research output: Contribution to journalArticlepeer-review

  19. Published

    High-speed transmission of adaptively modulated optical OFDM signals over multimode fibers using directly modulated DFBs

    Tang, J., Lane, P. M. & Shore, K. A., 1 Jan 2006, In: Journal of Lightwave Technology. 24, 1, p. 429-441

    Research output: Contribution to journalArticlepeer-review

  20. Published

    Enhanced performance of nonlinear optical loop mirrors using SOA's with robust transparency

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

    Research output: Contribution to conferencePaper

  21. 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

  22. 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

  23. 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

  24. Published

    Pump-power dependence of transparency characteristics in semiconductor optical amplifiers.

    Tang, J. M., Spencer, P. S., Rees, P. & Shore, K. A., 1 Dec 2000, In: IEEE Journal of Quantum Electronics. 36, 12, p. 1462-1467

    Research output: Contribution to journalArticlepeer-review

  25. 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

  26. 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

  27. Published

    Superior performance of nonlinear optical loop mirrors using semiconductor optical amplifiers with robust transparency

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

    Research output: Contribution to conferencePaper

  28. Published

    Amplification of picosecond optical pulses in midinfrared intersubband semiconductor optical amplifiers.

    Tang, J. M., Spencer, P. S. & Shore, K. A., 16 Oct 2000, In: Applied Physics Letters. 77, 16, p. 2449-2451

    Research output: Contribution to journalArticlepeer-review

  29. Published

    Transmission performance of adaptively modulated optical OFDM signals in multimode fiber links.

    Tang, J. M., Lane, P. M. & Shore, K. A., 1 Jan 2006, In: IEEE Photonics Technology Letters. 18, 1-4, p. 205-207

    Research output: Contribution to journalArticlepeer-review

  30. Published
  31. Published

    30-Gb/s signal transmission over 40-km directly modulated DFB-laser-based single-mode-fiber links without optical amplification and dispersion compensation.

    Tang, J. M. & Shore, K. A., 1 Jun 2006, In: Journal of Lightwave Technology. 24, 6, p. 2318-2327

    Research output: Contribution to journalArticlepeer-review

  32. Published

    Enhanced performance of polarization-independent four-wave mixing in polarization-sensitive semiconductor optical amplifiers.

    Tang, J. M., Spencer, P. S. & Shore, K. A., 1 May 2001, In: IEEE Photonics Technology Letters. 13, 5, p. 496-498

    Research output: Contribution to journalArticlepeer-review

  33. Published

    Enhanced switching performance of terahertz optical asymmetric demultiplexer based on semiconductor optical amplifiers with robust transparency.

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

    Research output: Contribution to conferencePaper

  34. Published

    Ultrafast Optical packet switching using low Optical pulse energies in a self-synchronization scheme.

    Tang, J. M., Spencer, P. S., Rees, P. & Shore, K. A., 1 Jan 2000, In: Journal of Lightwave Technology. 18, 12, p. 1757-1764

    Research output: Contribution to journalArticlepeer-review

  35. Published

    Detuning technique for reducing pump pulse power dependence of the transparency condition in semiconductor optical amplifiers

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

    Research output: Contribution to conferencePaper

  36. Published

    Contrast ratio optimisation in terahertz optical asymmetric demultiplexers.

    Tang, J. M., Spencer, P. S., Rees, P. & Shore, K. A., 1 Aug 2000, In: Optics Communications. 182, 1-3, p. 123-128

    Research output: Contribution to journalArticlepeer-review

  37. Published

    Enhanced transmission of nonlinear optical loop mirrors using SOA's with robust transparency.

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

    Research output: Contribution to conferencePaper

  38. 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

  39. 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

  40. Published
  41. Published

    Enhanced TOAD performance by negative frequency-detuned signal and control picosecond Optical pulses.

    Tang, J. M., Spencer, P. S., Rees, P. & Shore, K. A., 1 May 2000, In: IEEE Journal of Quantum Electronics. 36, 5, p. 574-582

    Research output: Contribution to journalArticlepeer-review

  42. Published

    Efficient polarization insensitive four-wave mixing using a semiconductor optical amplifier and one pump source in an optical loop.

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

    Research output: Contribution to conferencePaper

  43. 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

  44. Published

    Wavelength-routing capability of reconfigurable optical add/drop multiplexers in dynamic optical networks

    Tang, J. & Shore, K. A., 13 Nov 2006, In: Journal of Lightwave Technology. 24, 11, p. 4296-4303

    Research output: Contribution to journalArticlepeer-review

  45. Published

    Maximizing the transmission performance of adaptively modulated optical OFDM signals in multimode-fiber links by optimizing analog-to-digital converters.

    Tang, J., Tang, J. M. & Shore, K. A., 1 Mar 2007, In: Journal of Lightwave Technology. 25, 3, p. 787-798

    Research output: Contribution to journalArticlepeer-review

  46. Published
  47. Published

    Chaotic dynamics of semiconductor lasers subject to incoherent optical feedback

    Spencer, P. S., Ju, R., Hong, Y. H., Pierce, I. & Shore, K. A., 1 Aug 2006.

    Research output: Contribution to conferencePaper

  48. Published

    Chirped comb generation in frequency shifted feedback DFB lasers.

    Spencer, P. S., Paul, J., Hong, Y. H. & Shore, K. A., 1 Jan 2008.

    Research output: Contribution to conferencePaper

  49. 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

  50. Published

    Cascaded synchronization of external-cavity laser diodes.

    Sivaprakasam, S. & Shore, K. A., 1 Mar 2001, In: Optics Letters. 26, 5, p. 253-255

    Research output: Contribution to journalArticlepeer-review

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