Research Portal

Professor Paul Spencer

Pro Vice-Chancellor [Research]

Affiliations

ORCID: 0000-0002-2791-6719

Contact info

Position: Dean of College of Environmental Sciences and Engineering, Professor

Email: p.spencer@bangor.ac.uk

Phone: (01248) 382738

Location: Room 145, Dean Street

 

Prof Paul S. Spencer received a B.Sc. degree in applied physics and a Ph.D. degree in electronic engineering from the University of Bath, in 1990 and 1994, respectively. From 1994 to 1996, he was a research assistant at the University of Bath. In 1996, he moved to Bangor becoming a lecturer in 1998, a senior lecturer in 2003 and receiving a Personal Chair in 2006. In 2007 he was appointed Head of the School of Electronic Engineering, a post he held for seven years. In 2009 he was appointed Head of the College of Physical and Applied Sciences and in 2017 he was appointed Dean of the College of Environmental Sciences and Engineering

His main research interests are semiconductor laser dynamics, optical feedback effects, pulse propagation, and optical waveguide properties of optoelectronic devices. He has been an author on over 100 journal papers and 140 conference papers and is a regular reviewer archival journals. In 2000 he won the Science, Engineering and Technology (SET) best engineering poster award.

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  1. Published

    Wideband Chaos With Time-Delay Concealment in Vertical-Cavity Surface-Emitting Lasers With Optical Feedback and Injection

    Hong, Y., Spencer, P. S. & Shore, K. A., 5 Feb 2014, In: IEEE Journal of Quantum Electronics. 50, 4, p. 236-242

    Research output: Contribution to journal › Article › peer-review

  2. 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 journal › Article › peer-review

  3. 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 journal › Article › peer-review

  4. Published

    Transverse mode dynamics of VCSELs subject to optical injection.

    Hong, Y., Spencer, P. S. & Shore, K. A., 1 Sept 2001.

    Research output: Contribution to conference › Paper

  5. Published

    Transverse Mode Dynamics of Vertical Cavity Surface Emitting Lasers Subject to Polarized Optical Injection

    Hong, Y. H., Spencer, P. S. & Shore, K. A., 1 Jan 2002.

    Research output: Contribution to conference › Paper

  6. Published

    Transmission Performance of Adaptively Modulated Optical OFDM Modems Using Subcarrier Modulation over Worst-Case Multimode Fibre Links

    Zheng, X., Tang, J. & Spencer, P. S., 10 Oct 2008, In: IEEE Communications Letters. 12, 10, p. 788-790

    Research output: Contribution to journal › Article › peer-review

  7. 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 journal › Article › peer-review

  8. Published

    The influence of optical feedback on polarisation bistability in VCSELs.

    Hong, Y., Ju, R., Spencer, P. S. & Shore, K. A., 1 Mar 2005.

    Research output: Contribution to conference › Paper

  9. 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 journal › Article › peer-review

  10. Published

    Terahertz Relaxation Oscillations in Intersubband lasers.

    Banerjee, S., Rees, P., Spencer, P. S. & Shore, K. A., 1 Apr 2003.

    Research output: Contribution to conference › Paper

  11. Published

    Synchronisation regimes in chaotic diode lasers.

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

    Research output: Contribution to conference › Paper

  12. Published

    Synchronisation recovery in unidirectionally coupled semiconductor lasers

    Peters-Flynn, S., Pierce, I., Spencer, P. S. & Rees, P., 13 Feb 2006, In: IEE Proceedings: Optoelectronics. 153, 1, p. 8-12

    Research output: Contribution to journal › Article › peer-review

  13. Published

    Synchronisation of coupled VCSELs operating in the coherence collapse regime

    Ju, R., Hong, Y., Spencer, P. S. & Shore, K. A., 1 Apr 2004.

    Research output: Contribution to conference › Paper

  14. Published

    Statistical Investigations of the Transmission Performance of Adaptively Modulated Optical OFDM Signals in Multimode Fiber Links

    Jin, X. Q., Tang, J., Qiu, K. & Spencer, P. S., 1 Sept 2008, In: Journal of Lightwave Technology. 26, 17-20, p. 3216-3224

    Research output: Contribution to journal › Article › peer-review

  15. Published

    Stabilization of Photonic Microwave Generation in Vertical-Cavity Surface-Emitting Lasers with Optical Injection and Feedback

    Hong, Y., Ji, S., Xue, C., Valle, A., Spencer, P. & Li, H., 1 Oct 2018, In: Journal of Lightwave Technology. 36, 19, p. 4347-4353

    Research output: Contribution to journal › Special issue › peer-review

  16. Published

    Stabilisation of self-pulsation of VCSEL polarisation by optical injection

    Bandyopadhyay, S., Hong, Y., Spencer, P. S. & Shore, K. A., 1 Jul 2002.

    Research output: Contribution to conference › Paper

  17. 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 journal › Article › peer-review

  18. Published

    Semiconductor lasers subject to polarisation-rotated optical feedback.

    Ju, R., Hong, Y. & Spencer, P. S., 1 Jun 2006, In: IEE Proceedings: Optoelectronics. 153, 3, p. 131-137

    Research output: Contribution to journal › Article › peer-review

  19. Published

    Semiconductor lasers subject to polarisation rotated optical feedback.

    Ju, R., Hong, Y. & Spencer, P. S., 1 Jan 2006.

    Research output: Contribution to conference › Paper

  20. Published

    Semiconductor lasers subject to incoherent optical feedback.

    Ju, R., Hong, Y., Pierce, I. & Spencer, P. S., 1 Apr 2006.

    Research output: Contribution to conference › Paper

  21. Published

    Rossler model for phase synchronisation in chaotic semiconductor laser systems with frequency selective coupling

    Pierce, I., Peters-Flynn, S. & Spencer, P. S., 1 Mar 2005.

    Research output: Contribution to conference › Paper

  22. 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 journal › Article › peer-review

  23. Published

    Relative intensity noise and polarisation stability of VCSELs subject to polarisation-resolved optical feedback

    Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 1 Dec 2005.

    Research output: Contribution to conference › Paper

  24. Published

    Quadrature detection method for determination of nonlinear modulation response of semiconductor laser diodes

    Perkins, D., Pierce, I., Rees, P., Spencer, P. S. & Shore, K. A., 1 Apr 2001.

    Research output: Contribution to conference › Paper

  25. Published

    Pseudo Random Bit Sequence Transmission in Chaos Communication Channels.

    Lea, S. & Spencer, P. S., 1 Jan 2009.

    Research output: Contribution to conference › Paper

  26. 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 journal › Article › peer-review

  27. Published

    Polychromatic coupled cavity model of passive structures.

    Perkins, D., Spencer, P. S. & Rees, P., 1 Apr 2005, In: IEE Proceedings: Optoelectronics. 152, 2, p. 58-65

    Research output: Contribution to journal › Article › peer-review

  28. Published

    Polarization-switching of VCSELs under orthogonal optical feedback: experiments and theory

    Paul, J., Masoller, C., Hong, Y., Spencer, P. S. & Shore, K. A., 18 Jun 2007.

    Research output: Contribution to conference › Paper

  29. Published

    Polarization-resolved chaos in optically injected VCSELs.

    Hong, Y. H., Rees, P., Spencer, P. S., Bandyopadhyay, S. & Shore, K. A., 1 Jul 2002.

    Research output: Contribution to conference › Paper

  30. Published

    Polarization-resolved chaos in a vertical cavity surface emitting laser subject to optical injection

    Hong, Y. H., Rees, P., Spencer, P. S. & Bandyopadhyay, S., 1 Oct 2002.

    Research output: Contribution to conference › Paper

  31. Published

    Polarization-resolved chaos in a 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 conference › Paper

  32. 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 journal › Article › peer-review

  33. Published

    Photonic biosensors in detection of Haemoglobin and DNA: Invited Paper

    Chen, X., Burt, J. & Spencer, P., 2013.

    Research output: Contribution to conference › Paper › peer-review

  34. Published

    Partial bi-directional coupling of chaotic diode lsers for secure optical communication

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

    Research output: Contribution to conference › Paper

  35. 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 journal › Article › peer-review

  36. 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 journal › Article › peer-review

  37. Published

    Optical injection control of polarization pulsations in VCSELs.

    Bandyopadhyay, S., Hong, Y., Spencer, P. S. & Shore, K. A., 1 Oct 2002.

    Research output: Contribution to conference › Paper

  38. 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 journal › Article › peer-review

  39. Published

    Optical feedback dependence of laser diode relative intensity noise.

    Hong, Y. H., Bandyopadhyay, S., Sivaprakasam, S., Spencer, P. S. & Shore, K. A., 1 Oct 2002.

    Research output: Contribution to conference › Paper

  40. Published

    Optical feedback dependence of anticorrelation polarization dynamics in vertical-cavity surface-emitting lasers

    Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 1 Oct 2006.

    Research output: Contribution to conference › Paper

  41. Published

    Optical feedback dependence of anticorrelation polarization dynamics in vertical-cavity surface-emitting lasers

    Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 1 Nov 2006, In: Journal of the Optical Society of America B: Optical Physics. 23, 11, p. 2285-2290

    Research output: Contribution to journal › Article › peer-review

  42. Published

    Optical chaos communications

    Shore, K. A., Hong, Y., Lee, M. W., Pierce, I., Paul, J. & Spencer, P. S., 1 Aug 2006.

    Research output: Contribution to conference › Paper

  43. Published

    Optical Feedback Applications.

    Spencer, P. S., 1 May 2005.

    Research output: Contribution to conference › Paper

  44. Published

    Optical Chaos Communications using Laser Diodes.

    Lee, M. W., Paul, J., Hong, Y., Pierce, I., Spencer, P. S. & Shore, K. A., 21 Nov 2006.

    Research output: Contribution to conference › Paper

  45. Published

    Nullified time-of-flight lead-lag in synchronisation of chaotic external cavity laser diodes

    Spencer, P. S., Sivaprakasam, S. S., Rees, P. & Shore, K. A., 14 Oct 2003.

    Research output: Contribution to conference › Paper

  46. Published
  47. Published

    Modeling polarization competition in vertical-cavity surface-emitting lasers with current modulation

    Spencer, P. S., Torre, M. S., Masoller, C. & Shore, K. A., 1 Apr 2007.

    Research output: Contribution to conference › Paper

  48. Published

    Investigation of polarization bistability in vertical-cavity surface-emitting lasers subjected to optical feedback

    Hong, Y., Ju, R., Spencer, P. & Shore, K. A., May 2005, In: IEEE Journal of Quantum Electronics. 41, 5, p. 619-624

    Research output: Contribution to journal › Article › peer-review

  49. Published

    Inverse synchronisation in semiconductor laser diodes

    Sivaprakasam, S., Pierce, I., Rees, P., Spencer, P., Shore, K. A. & Valle, A., 31 May 2001, In: Physical Review A. 64, 1, 013805.

    Research output: Contribution to journal › Article › peer-review

  50. Published

    Integrity of all-optical data encryption using chaotic external-cavity diode lasers.

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

    Research output: Contribution to conference › Paper

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