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

    Self-consistent optical gain and threshold current calculations for near infrared intersubband semiconductor lasers.

    Cheung, C. Y., Rees, P., Shore, K. A. & Pierce, I., 1 Sept 2000, In: Journal of Modern Optics. 47, 11, p. 1857-1870

    Research output: Contribution to journalArticlepeer-review

  2. Published

    Threshold characteristics of Near-Infra-Red unipolar semiconductor lasers

    Cheung, C. Y., Rees, P. & Shore, K. A., 1 Jun 2000.

    Research output: Contribution to conferencePaper

  3. Published

    Anticrossing effects in the design of MIR intersubband semiconductor lasers.

    Cheung, C. Y., Shore, K. A. & Harrison, P., 1 Sept 2000, In: Journal of Modern Optics. 47, 11, p. 1791-1801

    Research output: Contribution to journalArticlepeer-review

  4. Published

    Getting Light to Work - photonics up-skilling for industry

    Davies, R. & Shore, K. A., 17 Jul 2014, p. Article number 928924.

    Research output: Contribution to conferencePaper

  5. Published

    Public Engagement with Photonics: International Year of Light Celebratory Event in Wales

    Davies, R. & Shore, K. A., 8 Oct 2015, In: Proceedings of SPIE: The International Society for Optical Engineering. 9793

    Research output: Contribution to journalArticlepeer-review

  6. Published

    Dynamics of Electrically Pumped Semiconductor Nano-Laser Arrays

    Fan, Y., Shore, K. A. & Shao, X., 10 Nov 2023, In: Photonics. 10, 11, 1249.

    Research output: Contribution to journalArticlepeer-review

  7. E-pub ahead of print

    Generation of optical frequency combs using gain switched semiconductor nano-lasers

    Fan, Y. & Shore, A., 8 May 2023, (E-pub ahead of print) In: IEEE Photonics Technology Letters. 35, p. 713-716 4 p.

    Research output: Contribution to journalArticlepeer-review

  8. Accepted/In press

    Optical Frequency Comb Generation in Gain Switched Semiconductor Nanolasers With Optical Injection

    Fan, Y., Shore, K. A. & Shao, X., 15 May 2024, In: IEEE Photonics Technology Letters. 36, 10, p. 661-664

    Research output: Contribution to journalArticlepeer-review

  9. Published

    Design of Room Temperature Electrically Pumped Visible Semiconductor Nanolasers

    Fan, Y. & Shore, K. A., Oct 2018, In: IEEE Journal of Quantum Electronics. 54, 5, 2000907.

    Research output: Contribution to journalArticlepeer-review

  10. Published

    Tailoring the Direct Current Modulation Response of Electrically Pumped Semiconductor Nano-Laser Arrays

    Fan, Y., An, S., Shore, K. A. & Shao, X., 14 Dec 2023, In: Photonics. 10, 12, 1373.

    Research output: Contribution to journalArticlepeer-review

  11. Published

    Ultrashort pulse generation in a semiconductor laser with strong coherent optical feedback

    Fan, Y., Shore, K. A. & Hong, Y., Feb 2019, In: IET Optoelectronics. 13, 1, p. 36-39

    Research output: Contribution to journalArticlepeer-review

  12. Published

    40 Gb/s quantum random number generation based on optically sampled amplified spontaneous emission

    Guo, Y., Cai, Q., Li, P., Jia, Z., Xu, B., Zhang, Q., Zhang, Y., Zhang, R., Gao, Z., Shore, K. A. & Wang, Y., 1 Jun 2021, In: APL Photonics. 6, 6, p. 066105 1 p.

    Research output: Contribution to journalArticlepeer-review

  13. Published

    Ultrafast and real-time physical random bit extraction with all-optical quantization

    Guo, Y., Cai, Q., Li, P., Zhang, R., Xu, B., Shore, K. A. & Wang, Y., May 2022, In: Advanced Photonics. 4, 3, 8 p., 035001.

    Research output: Contribution to journalArticlepeer-review

  14. Published

    Modulated Mutually Coupled Nano-Lasers

    Han, H. & Shore, K. A., Apr 2017, In: IEEE Journal of Quantum Electronics. 53, 2

    Research output: Contribution to journalArticlepeer-review

  15. Published

    Observation of flattened power spectrum of chaotic semiconductor laser using an optical filter

    Han, H., Zhao, T., Wang, A. B., Wang, D. M., Wang, L. S., Wang, Y. C. & Shore, K. A., Jun 2019, In: IET Optoelectronics. 13, 3, p. 104-108 5 p.

    Research output: Contribution to journalArticlepeer-review

  16. Published

    Chaos Bandwidth Enhancement of Fabry-Perot Laser Diode With Dual-Mode Continuous-Wave Optical Injection

    Han, H., Zhang, M. J. & Shore, K. A., Jun 2019, In: IEEE Journal of Quantum Electronics. 55, 3, 2000708 .

    Research output: Contribution to journalArticlepeer-review

  17. Published

    Zero Crosstalk Regime Direct Modulation of Mutually Coupled Nanolasers

    Han, H. & Shore, K. A., 20 Jul 2017, In: IEEE Photonics Journal. 9, 4

    Research output: Contribution to journalArticlepeer-review

  18. Published

    Nonlinear Dynamics of Interband Cascade Laser Subjected to Optical Feedback

    Han, H., Cheng, X., Jia, Z. & Shore, K. A., 2021, In: Photonics. 8, 9, 366.

    Research output: Contribution to journalArticlepeer-review

  19. Published

    Dynamical characteristics of nano-lasers subject to optical injection and phase conjugate feedback

    Han, H. & Shore, K. A., Feb 2018, In: IET Optoelectronics. 12, 1, p. 25-29

    Research output: Contribution to journalArticlepeer-review

  20. Published

    Zero Cross-Talk Regimes in Dually Modulated Mutually Coupled Nano-lasers

    Han, H., Zhang, M. J., Wang, Y. C. & Shore, K. A., 2017, In: Journal of Physics: Conference Series. 844

    Research output: Contribution to journalArticlepeer-review

  21. Published

    Suppression of Cavity Time-Delay Signature Using Noise-Phase-Modulated Feedback

    Han, H., Cheng, X. M., Jia, Z. W. & Shore, K. A., 28 Feb 2020, In: IEEE ACCESS. 8, p. 35344-35349 6 p.

    Research output: Contribution to journalArticlepeer-review

  22. Published

    Simulation of Gb/s free space optical secure communication using interband cascade laser chaos

    Han, H., Xu, J., Cheng, X., Jia, Z., Zhang, J. & Shore, K. A., 5 Mar 2024, In: Optics Communications. 559, 130424.

    Research output: Contribution to journalArticlepeer-review

  23. Published

    Thermal effects and dynamical hysteresis in the turn-on and turn-off vertical-cavity surface-emitting lasers.

    Hong, Y., Masoller, C., Torre, M. S., Priyadarshi, S., Qader, A. A., Spencer, P. S. & Shore, K. A., 1 Nov 2010, In: Optics Letters. 35, 21, p. 3688-3690

    Research output: Contribution to journalArticlepeer-review

  24. 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

  25. 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

  26. 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

  27. 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

  28. 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

  29. 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

  30. 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

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 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

  37. 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

  38. 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

  39. 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

  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 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

  42. Published
  43. 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

  44. 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

  45. 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

  46. 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

  47. Published

    Optimised message extraction in chaotic semiconductor lasers.

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

    Research output: Contribution to conferencePaper

  48. 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

  49. 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

  50. 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