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Professor Paul Spencer

Pro Vice-Chancellor [Research]

p.spencer@bangor.ac.uk

+44 1248 382738

0000-0002-2791-6719

Professor Paul Spencer

View Professor Paul Spencer’s profile on the Bangor Research Portal

Overview

Position: Pro Vice-Chancellor Research, 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.

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. Between 2009 and 2018 he was Dean of the College of Physical and Applied Sciences. In 2018 he was appointed as Dean of the College of Environmental Sciences and Engineering.

Research Interests

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 for IEEE, OSA, APS and IOP journals. In 2000 he won the Science, Engineering and Technology (SET) best engineering poster award and between 2002 and 2006 he was the Treasurer of the semiconductor physics group of the Institute of Physics.

Postgraduate Project Opportunities

I have a range of research interests which could be developed into PhD projects. My main research interests are semiconductor laser dynamics, optical feedback effects, pulse propagation, and optical waveguide properties of optoelectronic devices. Other areas of interest include interdisciplinary research and applying E.M techniques in other disciplines.

Publications

2020

  • PublishedCharacteristics of microwave photonic signal generation using vertical-cavity surfaceemitting lasers with optical injection and feedback
    Xu, C., Chang, D., Fan, Y., Ji, S., Zhang, Z., Lin, H., Spencer, P. & Hong, Y., 1 May 2020, In: Journal of the Optical Society of America B: Optical Physics. 37, 5, p. 1394-1400
    Research output: Contribution to journal › Article › peer-review
  • PublishedFlat broadband chaos generation in a discrete-mode laser subject to optical feedback
    Chang, D., Zhong, Z., Tang, J., Spencer, P. & Hong, Y., 21 Dec 2020, In: Optics Express. 28, 26, p. 39076-39083
    Research output: Contribution to journal › Article › peer-review

2018

  • PublishedStabilization 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

2017

  • PublishedBroad tunable photonic microwave generation based on period-one dynamics of optical injection vertical-cavity surface-emitting lasers
    Ji, S., Hong, Y., Spencer, P., Benedikt, J. & Davies, I., 21 Aug 2017, In: Optics Express. 25, 17, p. 19863-1871 9 p.
    Research output: Contribution to journal › Article › peer-review

2016

  • PublishedConcealment of Chaos Time-Delay Signature in Three-Cascaded Vertical-Cavity Surface-Emitting Lasers
    Hong, Y., Quirce, A., Wang, B., Ji, S., Panajotov, K. & Spencer, P., 1 Aug 2016, In: IEEE Journal of Quantum Electronics. 52, 8
    Research output: Contribution to journal › Article › peer-review

2015

  • PublishedEnhanced Flat Broadband Optical Chaos Using Low-Cost VCSEL and Fiber Ring Resonator
    Hong, Y., Chen, X., Spencer, P. & Shore, K., 6 Jan 2015, In: IEEE Journal of Quantum Electronics. 51, 3, p. 1200106
    Research output: Contribution to journal › Article › peer-review

2014

  • PublishedWideband 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

2013

  • PublishedPhotonic biosensors in detection of Haemoglobin and DNA: Invited Paper
    Chen, X., Burt, J. & Spencer, P., 2013.
    Research output: Contribution to conference › Paper › peer-review

2012

  • PublishedEnhancement 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 journal › Article › peer-review
  • PublishedFlat Broadband Chaos in Vertical-Cavity Surface-Emitting Lasers Subject to Chaotic Optical Injection
    Hong, Y., Spencer, P. S. & Shore, K. A., 1 Dec 2012, In: IEEE Journal of Quantum Electronics. 48, 12, p. 1536-1541
    Research output: Contribution to journal › Article › peer-review

2010

  • PublishedExperimental study of dynamical hysteresis of turn-on and turn-off in Vertical-Cavity Surface-Emitting Lasers.
    Hong, Y., Priyadarshi, S., Qader, A. A., Spencer, P. S. & Shore, K. A., 1 Jan 2010.
    Research output: Contribution to conference › Paper
  • PublishedThermal 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

2009

  • PublishedAnalysis of Experimental Data from a Chaos Communication Channel.
    Lea, S. & Spencer, P. S., 1 Jan 2009.
    Research output: Contribution to conference › Paper
  • PublishedGHz Bandwidth Message Transmission Using Chaotic Vertical-Cavity Surface-Emitting Lasers
    Hong, Y., Lee, M. W., Paul, J., Spencer, P. S. & Shore, K. A., 15 Nov 2009, In: Journal of Lightwave Technology. 27, 22, p. 5099-5105
    Research output: Contribution to journal › Article › peer-review
  • PublishedPseudo Random Bit Sequence Transmission in Chaos Communication Channels.
    Lea, S. & Spencer, P. S., 1 Jan 2009.
    Research output: Contribution to conference › Paper

2008

  • PublishedCollapse and revival of synchronisation of chaotic diode lasers.
    Arivazhagan, A. C., Sivaprakasam, S., Spencer, P. S. & Shore, K. A., 11 Sept 2008, In: Electronics Letters. 44, 19, p. 1137-1138
    Research output: Contribution to journal › Article › peer-review
  • PublishedEnhanced 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 journal › Article › peer-review
  • PublishedExperimental 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 journal › Article › peer-review
  • PublishedExperimental characterisation of chaos synchronisation 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 conference › Paper
  • PublishedFrequency domain analysis of the chaotic synchronization of injection-locked semiconductor lasers.
    Lea, S. J. & Spencer, P. S., 1 Mar 2008, In: Optical and Quantum Electronics. 40, 2-4, p. 97-108
    Research output: Contribution to journal › Article › peer-review
  • PublishedFrequency shifted feedback in DFB laser diodes.
    Paul, J., Hong, Y. H., Spencer, P. S., Pierce, I. & Shore, K. A., 1 Apr 2008.
    Research output: Contribution to conference › Paper
  • PublishedInfluence 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 journal › Article › peer-review
  • PublishedOptimization 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
  • PublishedStatistical 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
  • PublishedTransmission 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

2007

  • PublishedFrequency domain analysis of the chaotic synchronization of injection-locked semiconductor lasers
    Lea, S. & Spencer, P. S., 28 Mar 2007.
    Research output: Contribution to conference › Paper
  • PublishedImpact 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 journal › Article › peer-review
  • PublishedImpact of polarization rotated feedback on polarization switching in VCSELs.
    Paul, J., Masoller, C., Hong, Y., Spencer, P. S. & Shore, K. A., 1 Apr 2007.
    Research output: Contribution to conference › Paper
  • PublishedModeling 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
  • PublishedNonlinear amplitude response of slave laser induce the chaos pass filtering effect in synchronized semiconductor laser diodes
    Lee, S. J. & Spencer, P. S., 18 Jun 2007.
    Research output: Contribution to conference › Paper
  • PublishedOptical 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
  • PublishedPolarization-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
  • PublishedSimple 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

2006

  • PublishedAnticorrelation polarization dynamics in VCSELs
    Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 11 Sept 2006.
    Research output: Contribution to conference › Paper
  • PublishedBias-current dependence of anticorrelation polarization dynamics in vertical-cavity surface-emitting lasers with long external cavity
    Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 21 Aug 2006, In: Applied Physics Letters. 89, 8, p. 081123
    Research output: Contribution to journal › Article › peer-review
  • PublishedChaos synchronisation and communication.
    Spencer, P. S., Shore, K. A., Sivaprakasam, S., Pierce, I., Peters-Flynn, S., Ju, R., Paul, J., Lee, M. W. & Rees, P., 1 Aug 2006.
    Research output: Contribution to conference › Paper
  • PublishedDesign of a tunable quantum cascade laser with enhanced optical non-linearities.
    Banerjee, S., Spencer, P. S. & Shore, K. A., 1 Feb 2006, In: IEE Proceedings: Optoelectronics. 153, 1, p. 40-42
    Research output: Contribution to journal › Article › peer-review
  • PublishedEffect of bias current sweep rate on the polarisation switch point of VCSELs.
    Paul, J., Masoller, C., Hong, Y., Spencer, P. S. & Shore, K. A., 1 Apr 2006.
    Research output: Contribution to conference › Paper
  • PublishedExperimental 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 journal › Article › peer-review
  • PublishedIdentification 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 conference › Paper
  • PublishedIdentification 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 journal › Article › peer-review
  • PublishedInfluence of optical feedback on anticorrelation polarisation dynamics in VCSELs
    Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 1 Apr 2006.
    Research output: Contribution to conference › Paper
  • PublishedOptical 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
  • PublishedOptical 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
  • PublishedOptical 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
  • PublishedOptical 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
  • PublishedSemiconductor lasers subject to incoherent optical feedback.
    Ju, R., Hong, Y., Pierce, I. & Spencer, P. S., 1 Apr 2006.
    Research output: Contribution to conference › Paper
  • PublishedSemiconductor lasers subject to polarisation rotated optical feedback.
    Ju, R., Hong, Y. & Spencer, P. S., 1 Jan 2006.
    Research output: Contribution to conference › Paper
  • PublishedSemiconductor 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
  • PublishedSynchronisation 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
  • PublishedThe 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
  • PublishedTunable 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

2005

  • PublishedAnalysis of chaos generated by a modulated self-pulsating laser diode
    Walker, R., Rees, P., Pierce, I., Spencer, P. S. & Roberts, G. W., 8 Apr 2005, In: IEE Proceedings: Optoelectronics. 152, 2, p. 90-96
    Research output: Contribution to journal › Article › peer-review
  • PublishedCross polarisation synchronisation of chaotic laser diodes.
    Ju, R. & Spencer, P. S., 1 Mar 2005.
    Research output: Contribution to conference › Paper
  • PublishedDesign of Tunable Intersubband Semiconductor Lasers.
    Banerjee, S., Spencer, P. S. & Shore, K. A., 1 Mar 2005.
    Research output: Contribution to conference › Paper
  • PublishedDynamic regimes in semiconductor lasers subject to incoherent optical feedback
    Ju, R. & Spencer, P. S., 1 Aug 2005, In: Journal of Lightwave Technology. 23, 8, p. 2513-2523
    Research output: Contribution to journal › Article › peer-review
  • PublishedExperimental study of polarisation switching of vertical-cavity surface-emitting lasers as a dynamical bifurcation
    Paul, J., Masoller, C., Hong, Y., Spencer, P. S. & Shore, K. A., 1 Dec 2005.
    Research output: Contribution to conference › Paper
  • PublishedInvestigation 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
  • PublishedOptical Feedback Applications.
    Spencer, P. S., 1 May 2005.
    Research output: Contribution to conference › Paper
  • PublishedPartial 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
  • PublishedPolarization-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
  • PublishedPolychromatic 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
  • PublishedRelative 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
  • PublishedRossler 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
  • PublishedThe 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

2004

  • PublishedAnalysis of spatial field profile in integrated external cavity diode lasers.
    Causa, F., Rees, P., Spencer, P. S. & Sarma, J., 1 Apr 2004.
    Research output: Contribution to conference › Paper
  • PublishedChaotic communications with external cavity laser diode.
    Shore, K. A., Lee, M. W., Paul, J., Hong, Y., Torre, M., Masoller, M., Ju, R. & Spencer, P. S., 1 Dec 2004.
    Research output: Contribution to conference › Paper
  • PublishedConsequences of optical fibre propagation on chaotic data masking using laser diodes
    Peters-Flynn, S., Pierce, I., Rees, P. & Spencer, P. S., 1 May 2004.
    Research output: Contribution to conference › Paper
  • PublishedCross-polarisation enhancement in VCSELs subject to optical injection.
    Bandyopadhyay, S., Spencer, P. S. & Shore, K. A., 10 Jan 2004.
    Research output: Contribution to conference › Paper
  • PublishedExperimental determination of message decoding quality in optical chaos communications using laser diode transmitters
    Spencer, P. S., Lee, M. W., Paul, J., Sivaprakasam, S. & Shore, K. A., 1 Oct 2004.
    Research output: Contribution to conference › Paper
  • PublishedExtending the parameter space of anticipated synchronisation in laser diodes.
    Peters-Flynn, S., Pierce, I., Spencer, P. S. & Shore, K. A., 1 Apr 2004.
    Research output: Contribution to conference › Paper
  • PublishedIncoherent optical feedback regimes in semiconductor lasers: Theory and Experiment
    Ju, R., Spencer, P. S. & Shore, K. A., 1 Apr 2004.
    Research output: Contribution to conference › Paper
  • PublishedSynchronisation 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

2003

  • PublishedAnticipated chaos in a nonsymmetric coupled external-cavity-laser system.
    Rees, P., Spencer, P. S., Pierce, I., Sivaprakasam, S. & Shore, K. A., 1 Sept 2003, In: Physical Review A. 68, 3, p. 033818
    Research output: Contribution to journal › Article › peer-review
  • PublishedConcurrent synchronisation of chaotic external cavity laser diodes.
    Sivaprakasam, S., Paul, J., Spencer, P. S., Rees, P. & Shore, K. A., 1 Apr 2003.
    Research output: Contribution to conference › Paper
  • PublishedCoupled cavity multi-mode model of laser diodes subject to optical feedback.
    Perkins, D., Spencer, P. S. & Shore, K. A., 1 Apr 2003.
    Research output: Contribution to conference › Paper
  • PublishedDesign and fabrication of a 2mu quantum cascade laser.
    Banerjee, S., Spencer, P. S., Barlow, G. F. & Shore, K. A., 1 Jan 2003.
    Research output: Contribution to conference › Paper
  • PublishedDynamics of laser diodes subject to partially coherent optical feedback
    Ju, R., Spencer, P. S. & Shore, K. A., 1 Apr 2003.
    Research output: Contribution to conference › Paper
  • PublishedNullified 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
  • PublishedOptically 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
  • PublishedTerahertz Relaxation Oscillations in Intersubband lasers.
    Banerjee, S., Rees, P., Spencer, P. S. & Shore, K. A., 1 Apr 2003.
    Research output: Contribution to conference › Paper
  • PublishedVCSEL 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

2002

  • PublishedAnticipating synchronization in a bi-directional laser diode configuration.
    Sivaprakasam, S., Spencer, P. S., Rees, P., Pierce, I. & Shore, K. A., 1 Jan 2002.
    Research output: Contribution to conference › Paper
  • PublishedDynamics and spectra of VCSELs subject to optical injection.
    Hong, Y. H., Bandyopadhyay, S., Rees, P., Spencer, P. S. & Shore, K. A., 1 Jul 2002.
    Research output: Contribution to conference › Paper
  • PublishedOptical 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
  • PublishedOptical 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
  • PublishedPolarization-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
  • PublishedPolarization-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
  • PublishedPolarization-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
  • PublishedStabilisation 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
  • PublishedTransverse 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

2001

  • PublishedChaos and synchronization of self-pulsating laser diodes
    Jones, R. J., Rees, P., Spencer, P. & Shore, K. A., 1 Feb 2001, In: Journal of the Optical Society of America B: Optical Physics. 18, 2, p. 166-172
    Research output: Contribution to journal › Article › peer-review
  • PublishedCommunicating with Chaos.
    Sivaprakasam, S., Pierce, I., Spencer, P. S., Jones, R. J., Rees, P. & Shore, K. A., 1 Jan 2001.
    Research output: Contribution to conference › Paper
  • PublishedDetermination of nonlinear modulation response of semiconductor laser diodes by quadrature detection
    Perkins, D., Pierce, I., Rees, P., Spencer, P. S., Shore, K. A. & Valle, A., 1 Sept 2001.
    Research output: Contribution to conference › Paper
  • PublishedGHz bandwidth 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 conference › Paper
  • PublishedHysteresis dependence on injection power and frequency detuning in bistable VCSELs
    Hong, Y., Spencer, P. S. & Shore, K. A., 1 Apr 2001.
    Research output: Contribution to conference › Paper
  • PublishedIntegrity 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
  • PublishedInverse 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
  • PublishedPower 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
  • PublishedQuadrature 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
  • PublishedSynchronisation 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
  • PublishedTransverse 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

2000

  • PublishedRoot 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

Activities

2024

  • BUILT final and dinner

    Post-BUILT (Bangor University Innovation and Leadership Training Award) Dinner to thank alumni for their involvement

    2 May 2024

    Activity: Other (Contributor)

Projects

  • UKRI (UK Research And Innovation) Open Access Block Grant (OABG) 2025/26

    01/04/2025 – 15/04/2026 (Active)

  • UKRI (UK Research and Innovation) Open Access Block Grant (OABG) 2024/25

    01/04/2024 – 31/05/2025 (Active)

  • Open Access Block Award 2023

    01/04/2023 – 30/06/2024 (Finished)

  • BU allocation of Horizon Europe Talent and Research Stabiliation Fund

    21/11/2022 – 31/08/2023 (Finished)

  • NERC Cross Disciplinary research for Discovery Science

    01/10/2022 – 30/04/2023 (Finished)

  • GCRF and Newton Consolidation Accounts Bangor University (EP/X527877/1)

    01/04/2022 – 31/05/2023 (Finished)

  • OODA GCRF and Newton Consolidation Accounts - Bangor University (EP/X52833X/1 - Other ODA Block Grant)

    01/04/2022 – 31/05/2023 (Finished)

  • Open Access Block Award 2022

    01/04/2022 – 30/04/2023 (Finished)

  • NERC Discipline Hopping (DH) for Environmental Solutions

    01/12/2021 – 01/08/2022 (Finished)

  • ODA Adjustment Funding

    01/04/2021 – 01/08/2022 (Finished)

  • Open Access Block Award 2021

    01/04/2021 – 01/08/2022 (Finished)

  • HEFCW HEIR Higher Education Investment and Recovery Fund

    01/11/2020 – 30/09/2023 (Finished)

  • COVID 19 Grant Extension Allocation Bangor University

    01/07/2020 – 01/08/2022 (Finished)

  • Open Access Block Award 2020

    01/04/2020 – 01/08/2022 (Finished)

  • Experiment and theory to inform industrial Graphene Manufacturing

    01/04/2017 – 30/07/2018 (Finished)

  • KESS II PhD project with Amec Foster Wheeler Nuclear UK Ltd - BUK297

    01/04/2017 – 01/08/2022 (Finished)

  • Semiconductor and Photonics Technology KTC

    01/01/2011 – 30/04/2013 (Finished)

  • Industrial Case with Creo Medical Ltd

    01/10/2010 – 31/03/2014 (Finished)

  • Versatile Frequency-Shifted Feedback

    26/06/2005 – 31/07/2009 (Finished)

Other Grants and Projects

Value

Funder

Dates

Status

Title

£6M

WG

2017-2021

PI

Ser Cymru programme

£300k

WG/Hitachi

2017-2019

CI

Advanced Boiling Water Reactor Hub and Network

£1M (£7M)

WG

2014-2019

PI

Ser Cymru Engineering National Research Network 

£500k 

A4B

2013-2014

PI

CLARET

£500k

WEFO

2011-2014

PI

ASTUTE

£100k 

WG

2011-2013

PI

Semiconductor and Photonic KTC

£65k 

EPSRC

2009-2013

PI

Microwave Medical Devices

£252k 

EPSRC

2005-2008

PI

Versatile Frequency Shifted Feedback Laser Diodes

£600k

WDA

2001-2007

CI

CETIC Centre: Optoelectronics (ICON)

£433k 

EPSRC

2003-2007

CI

Platform grant: Nanoscale and Nonlinear Optoelectronics

£255k 

EPSRC

2001-2004

CI

Quantum computing: Intra-connection & error correction 

£120k 

EPSRC

2001-2003

CI

Circular grating DFB organic semiconductor lasers

£184k

EU

2001-2004

CI

Optical Chaos Communications Using Laser Transmitters

£197k 

EPSRC

2000-2003

PI

Chaos based secure optical communication

£178k 

EPSRC

2000-2003

CI

Unipolar semiconductor devices

£210k 

EPSRC

2000-2003

CI

Polarisation free FWM in SOA

£50k 

EPSRC

1999-2000

PI

Picosecond pulse switches and memories using SOAs

Other Information

Current and Previous Research Collaborators

  • Dr Cristina Masoller, Physics Department, Universidad de la Republica, Uruguay
  • Dr Siva Sivaprakasam, Department of Physics & Laser Tech., IIT-Kanpur, India.
  • Prof. Luis Pesquera, Dept. of Physics at the University of Cantabria, Spain.
  • Prof. Deb M.Kane, Centre for Laser Applications, Macquarie University, Sydney, Australia.
  • Prof. Claudio R. Mirasso of Dept. of Physics, University de les Illes Belears, Spain
  • Dr A. Murakami, Dept. Elec. Eng., University of Electro-Communication, Tokyo, Japan.
  • Prof. D. Syridis, University Athens, Dept Informatics, Athens, 15784 Greece.
  • Dr L. Larger, University Franche Comte, CNRS, Besancon, F-25030 France.
  • Prof V. Annovazzi-Lodi, University Pavia, Dept Elect., Pavia, I-27100 Italy.
  • Prof. P. Colet, UIB, Inst Mediterraneo Estudios Avanzados, Palma de Mallorca, Spain.
  • Dr I. Fischer, TH Darmstadt, Inst Appl Phys, Darmstadt, D-64289 Germany
  • Dr J. Garcia-Ojalvo, Univ Politecn Catalunya, Dept Fis & Engn Nucl, Terrassa, E-08222 Spain.
  • Prof Chris Pain, Imperial College London.
  • Prof Ifor Samuel, Physics Department, St Andrew University.
  • Hewlett Packard Research Laboratory, Bristol. Case award studentship.
  • Professor Mo Missous, School of Elec. Engineering, University of Manchester.
  • Nortel Networks (Paignton). Case award studentship.
  • Prof Paul Rees, School of Engineering, University of Wales, Swansea

National Committees 

  • Treasurer of Semiconductor Physics Group of Institute of Physics, (2003-2006)
  • Institute of PhysicsSemiconductor Physics Group member, (Aug. 2002 - 2006)

Conference Organisation

  • Programme Committee of IoP’s Quantum Electronics and Photonics (QEP-16), Glasgow, 2004.
  • Session Chair at IoP’s Quantum Electronics and Photonics (QEP-16), Glasgow, 2004.
  • Session Chair at Semiconductor Integrated Optoelectronics SIOE, Cardiff, 2002-2009.
  • Guest Editor for the Special Issue of IEE Optoelectronics February 2006.

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