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. Article › Research › Peer-reviewed
  2. Published

    Regimes of chaotic synchronization in external-cavity laser diodes.

    Sivaprakasam, S., Spencer, P. S., Rees, P. & Shore, K. A., 1 Sept 2002, In: IEEE Journal of Quantum Electronics. 38, 9, p. 1155-1161

    Research output: Contribution to journalArticlepeer-review

  3. 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

  4. 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

  5. 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

  6. Published

    Scalable parallel ultrafast optical random bit generation based on a single chaotic microcomb

    Li, P., Li, Q., Tang, W., Wang, W., Zhang, W., Little, B. E., Chu, S. T., Shore, K. A., Qin, Y. & Wang, Y., 5 Mar 2024, In: Light: Science & Applications. 13, 1, p. 66 1 p., 66.

    Research output: Contribution to journalArticlepeer-review

  7. Published

    Self-balanced real-time photonic scheme for ultrafast random number generation

    Li, P., Guo, Y., Guo, Y., Fan, Y., Guo, X., Liu, X., Shore, K. A., Dubrova, E., Xu, B., Wang, Y. & Wang, A., 30 May 2018, In: APL Photonics. 3, 6

    Research output: Contribution to journalArticlepeer-review

  8. Published

    Self-consistent analysis of carrier-transport and carrier-capture dynamics in quantum cascade intersubband semiconductor lasers

    Kalna, K., Cheung, C. Y., Pierce, I. & Shore, K. A., 1 Apr 2000, In: IEEE Transactions on Microwave Theory and Techniques. 48, 4, p. 639-644

    Research output: Contribution to journalArticlepeer-review

  9. 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

  10. 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

  11. 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

  12. Published

    Smoothing irregularly sampled signals by convolutional RBF networks.

    Lim, I. S., John, N. W. & Shore, K. A., 27 Oct 2005, In: Electronics Letters. 41, 22, p. 1252-1253

    Research output: Contribution to journalArticlepeer-review

  13. 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

  14. 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

  15. 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

  16. Published

    Sub-40 GHz Broadband Polarization Chaos Generation Using Mutually Coupled Free-Running VCSELs

    Bian, H., Zhang, X., Li, P., Jia, Z., Ma, L., Xu, B., Shore, K. A., Qin, Y. & Wang, Y., 1 Feb 2023, In: Photonics. 10, 2, p. 219 1 p.

    Research output: Contribution to journalArticlepeer-review

  17. 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

  18. Published

    Suppression of polarization switching in vertical-cavity surface-emitting lasers by use of optical feedback.

    Hong, Y. H., Spencer, P. S. & Shore, K. A., 15 Sept 2004, In: Optics Letters. 29, 18, p. 2151-2153

    Research output: Contribution to journalArticlepeer-review

  19. Published

    Synchronization in multiple time delay chaotic laser diodes subject to incoherent optical feedbacks and incoherent optical injection

    Shahverdiev, E., Shahverdiev, E. M. & Shore, K. A., 1 Dec 2011, In: Nonlinear Analysis: Real World Applications. 12, 6, p. 3114-3124

    Research output: Contribution to journalArticlepeer-review

  20. Published

    Synchronization in multiple time delay chaotic semiconductor lasers with optoelectronic feedbacks and couplings.

    Shahverdiev, E. M. & Shore, K. A., 1 Jan 2008, In: Chaos Solitons and Fractals. 38, 5, p. 1298-1304

    Research output: Contribution to journalArticlepeer-review

  21. Published

    Synchronization of chaos in unidirectionally and bidirectionally coupled multiple time delay laser diodes with electro-optical feedback.

    Shahverdiev, E. M. & Shore, K. A., 15 Jan 2009, In: Optics Communications. 282, 2, p. 310-316

    Research output: Contribution to journalArticlepeer-review

  22. 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

  23. 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

  24. 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

  25. 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

  26. 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

  27. Published

    Tbps parallel random number generation based on a single quarter-wavelength-shifted DFB laser

    Cai, Q., Li, P., Shi, Y., Jia, Z., Ma, L., Xu, B., Chen, X., Shore, K. A. & Wang, Y., Jul 2023, In: Optics and Laser Technology. 162, p. 109273 1 p.

    Research output: Contribution to journalArticlepeer-review

  28. 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

  29. 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

  30. Published

    The relative intensity noise of a semiconductor laser subject to strong coherent optical feedback.

    Ju, R., Spencer, P. S. & Shore, K. A., 1 Aug 2004, In: Journal of Optics B: Quantum and Semiclassical Optics. 6, 8, p. S775-S779

    Research output: Contribution to journalArticlepeer-review

  31. Published

    Theoretical analysis of the effect of amplified luminescence on the modulation response of laser diodes.

    Burov, L. I., Gribkosvkii, V. P., Grigelevich, P. S., Kramar, M. I., Ryabtsev, G. I., Shore, K. A., Voitikov, S. V. & Kragler, R., 1 Jan 2001, In: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 14, 4, p. 331-343

    Research output: Contribution to journalArticlepeer-review

  32. 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

  33. Published

    Threshold current analysis of distributed feed-back organic semiconductor lasers.

    Barlow, G. F. & Shore, K. A., 1 Feb 2001, In: IEE Proceedings: Optoelectronics. 148, 1, p. 2-6

    Research output: Contribution to journalArticlepeer-review

  34. Published

    Threshold gain and threshold current analysis of circular grating DFB organic semiconductor lasers.

    Barlow, G. F. & Shore, K. A., 1 Aug 2001, In: IEE Proceedings: Optoelectronics. 148, 4, p. 165-170

    Research output: Contribution to journalArticlepeer-review

  35. Published

    Time Delay Signature Extraction of Optical-Feedback-Induced Chaos With Reservoir Computing

    Kai, C., Li, P., Wang, B., Shore, K. A., Qin, Y. W. & Wang, Y., Nov 2023, In: IEEE Journal of Selected Topics in Quantum Electronics. 29, 6: Photonic Signal Processing, p. 1-7 7 p.

    Research output: Contribution to journalArticlepeer-review

  36. Published

    Time-delay hyperchaos synchronisation and implications for laserdiodes subject to optical feedback.

    Shahverdiev, E. M. & Shore, K. A., 1 Feb 2001, In: IEE Proceedings: Optoelectronics. 148, 1, p. 46-48

    Research output: Contribution to journalArticlepeer-review

  37. Published

    Time-delay signature suppression in delayed-feedback semiconductor lasers as a paradigm for feedback control in complex physiological networks

    Hong, Y., Zhong, Z. & Shore, K. A., 11 Jan 2024, In: Frontiers in Network Physiology. 3, 1330375.

    Research output: Contribution to journalArticlepeer-review

  38. Published

    Transition between anticipating and lag synchronization in chaotic external cavity laser diodes.

    Sivaprakasam, S., Spencer, P. S., Rees, P. & Shore, K. A., 1 Jan 2002, In: Optics Letters. 27, 14, p. 1250-1252

    Research output: Contribution to journalArticlepeer-review

  39. 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

  40. 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

  41. Published

    Tunable quantum cascade lasers with phase-matched third harmonic generation

    Banerjee, S., Spencer, P. & Shore, K. A., 3 Aug 2006, In: Applied Physics Letters. 89, 5, p. 051113

    Research output: Contribution to journalArticlepeer-review

  42. Published

    Two-mode chaos synchronization using a multimode external-cavity laser diode and two single-mode laser diodes.

    Lee, M. W. & Shore, K. A., 1 Mar 2005, In: Journal of Lightwave Technology. 23, 3, p. 1068-1073

    Research output: Contribution to journalArticlepeer-review

  43. Published

    Ultrafast Fully Photonic Random Bit Generator

    Li, P., Guo, Y., Guo, Y., Fan, Y., Guo, X., Liu, X., Li, K., Shore, K. A., Wang, Y. & Wang, A., 15 Jun 2018, In: Journal of Lightwave Technology. 36, 12, p. 2531-2540

    Research output: Contribution to journalArticlepeer-review

  44. 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

  45. 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

  46. 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

  47. Published

    VCSEL polarization control by optical injection

    Bandyopadhyay, S., Hong, Y., Spencer, P. & Shore, K. A., 1 Oct 2003, In: Journal of Lightwave Technology. 21, 10, p. 2395-2404

    Research output: Contribution to journalArticlepeer-review

  48. Published

    Wave-Guiding Analysis of Annular Core Geometry Metal-Clad Semiconductor Nano-Lasers

    Satter, Z. A., Shore, K. A. & Wang, Z., 20 Nov 2013, In: IEEE Journal of Quantum Electronics. 50, 1, p. 15-22

    Research output: Contribution to journalArticlepeer-review

  49. Published

    Wavelength switching by positively detuned side-mode injection in semiconductor lasers.

    Hong, Y. H., Shore, K. A., Lawrence, J. S. & Kane, D. M., 29 May 2000, In: Applied Physics Letters. 76, 22, p. 3170-3172

    Research output: Contribution to journalArticlepeer-review

  50. 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

  51. 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