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.

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.

2020

• CyhoeddwydCharacteristics 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 Mai 2020, Yn: Journal of the Optical Society of America B: Optical Physics. 37, 5, t. 1394-1400
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydFlat broadband chaos generation in a discrete-mode laser subject to optical feedback
  Chang, D., Zhong, Z., Tang, J., Spencer, P. & Hong, Y., 21 Rhag 2020, Yn: Optics Express. 28, 26, t. 39076-39083
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2018

• CyhoeddwydStabilization 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 Hyd 2018, Yn: Journal of Lightwave Technology. 36, 19, t. 4347-4353
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Rhifyn Arbennig › adolygiad gan gymheiriaid

2017

• CyhoeddwydBroad 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 Awst 2017, Yn: Optics Express. 25, 17, t. 19863-1871 9 t.
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2016

• CyhoeddwydConcealment 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 Awst 2016, Yn: IEEE Journal of Quantum Electronics. 52, 8
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2015

• CyhoeddwydEnhanced Flat Broadband Optical Chaos Using Low-Cost VCSEL and Fiber Ring Resonator
  Hong, Y., Chen, X., Spencer, P. & Shore, K., 6 Ion 2015, Yn: IEEE Journal of Quantum Electronics. 51, 3, t. 1200106
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2014

• CyhoeddwydWideband 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 Chwef 2014, Yn: IEEE Journal of Quantum Electronics. 50, 4, t. 236-242
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2013

• CyhoeddwydPhotonic biosensors in detection of Haemoglobin and DNA: Invited Paper
  Chen, X., Burt, J. & Spencer, P., 2013.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid

2012

• CyhoeddwydEnhancement of chaotic signal bandwidth in vertical-cavity surface-emitting lasers with optical injection
  Hong, Y., Spencer, P. S. & Shore, K. A., 22 Chwef 2012, Yn: Journal of the Optical Society of America B: Optical Physics. 29, 3, t. 415-419
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydFlat Broadband Chaos in Vertical-Cavity Surface-Emitting Lasers Subject to Chaotic Optical Injection
  Hong, Y., Spencer, P. S. & Shore, K. A., 1 Rhag 2012, Yn: IEEE Journal of Quantum Electronics. 48, 12, t. 1536-1541
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2010

• CyhoeddwydExperimental 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 Ion 2010.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydThermal 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 Tach 2010, Yn: Optics Letters. 35, 21, t. 3688-3690
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2009

• CyhoeddwydAnalysis of Experimental Data from a Chaos Communication Channel.
  Lea, S. & Spencer, P. S., 1 Ion 2009.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydGHz Bandwidth Message Transmission Using Chaotic Vertical-Cavity Surface-Emitting Lasers
  Hong, Y., Lee, M. W., Paul, J., Spencer, P. S. & Shore, K. A., 15 Tach 2009, Yn: Journal of Lightwave Technology. 27, 22, t. 5099-5105
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydPseudo Random Bit Sequence Transmission in Chaos Communication Channels.
  Lea, S. & Spencer, P. S., 1 Ion 2009.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

2008

• CyhoeddwydCollapse and revival of synchronisation of chaotic diode lasers.
  Arivazhagan, A. C., Sivaprakasam, S., Spencer, P. S. & Shore, K. A., 11 Medi 2008, Yn: Electronics Letters. 44, 19, t. 1137-1138
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydEnhanced 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 Maw 2008, Yn: Optics Letters. 33, 6, t. 587-589
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydExperimental 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 Ebr 2008, Yn: Physical Review A. 77, 4, t. 043803
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydExperimental 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 Ebr 2008.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydFrequency domain analysis of the chaotic synchronization of injection-locked semiconductor lasers.
  Lea, S. J. & Spencer, P. S., 1 Maw 2008, Yn: Optical and Quantum Electronics. 40, 2-4, t. 97-108
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydFrequency shifted feedback in DFB laser diodes.
  Paul, J., Hong, Y. H., Spencer, P. S., Pierce, I. & Shore, K. A., 1 Ebr 2008.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydInfluence of low-frequency modulation on polarization switching of VCSELs subject to optical feedback
  Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 1 Ion 2008, Yn: IEEE Journal of Quantum Electronics. 44, 1-2, t. 30-35
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydOptimization of adaptively modulated optical OFDM modems for multimode fiber-based local area networks
  Jin, X., Tang, J., Spencer, P. S. & Shore, K. A., 1 Maw 2008, Yn: Journal of Optical Networking. 7, 3, t. 198-214
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydStatistical 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 Medi 2008, Yn: Journal of Lightwave Technology. 26, 17-20, t. 3216-3224
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydTransmission Performance of Adaptively Modulated Optical OFDM Modems Using Subcarrier Modulation over Worst-Case Multimode Fibre Links
  Zheng, X., Tang, J. & Spencer, P. S., 10 Hyd 2008, Yn: IEEE Communications Letters. 12, 10, t. 788-790
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2007

• CyhoeddwydFrequency domain analysis of the chaotic synchronization of injection-locked semiconductor lasers
  Lea, S. & Spencer, P. S., 28 Maw 2007.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydImpact 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 Awst 2007, Yn: Journal of the Optical Society of America B: Optical Physics. 24, 8, t. 1987-1994
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydImpact of polarization rotated feedback on polarization switching in VCSELs.
  Paul, J., Masoller, C., Hong, Y., Spencer, P. S. & Shore, K. A., 1 Ebr 2007.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydModeling polarization competition in vertical-cavity surface-emitting lasers with current modulation
  Spencer, P. S., Torre, M. S., Masoller, C. & Shore, K. A., 1 Ebr 2007.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydNonlinear amplitude response of slave laser induce the chaos pass filtering effect in synchronized semiconductor laser diodes
  Lee, S. J. & Spencer, P. S., 18 Meh 2007.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydOptical 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 Rhag 2007, Yn: IET Optoelectronics. 1, 6, t. 277-279
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydPolarization-switching of VCSELs under orthogonal optical feedback: experiments and theory
  Paul, J., Masoller, C., Hong, Y., Spencer, P. S. & Shore, K. A., 18 Meh 2007.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydSimple 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 Tach 2007, Yn: IEEE Photonics Technology Letters. 19, 21-24, t. 1708-1710
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2006

• CyhoeddwydAnticorrelation polarization dynamics in VCSELs
  Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 11 Medi 2006.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydBias-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 Awst 2006, Yn: Applied Physics Letters. 89, 8, t. 081123
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydChaos 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 Awst 2006.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydDesign of a tunable quantum cascade laser with enhanced optical non-linearities.
  Banerjee, S., Spencer, P. S. & Shore, K. A., 1 Chwef 2006, Yn: IEE Proceedings: Optoelectronics. 153, 1, t. 40-42
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydEffect 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 Ebr 2006.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydExperimental 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 Maw 2006, Yn: Optics Letters. 31, 6, t. 748-750
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydIdentification 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 Ebr 2006.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydIdentification of the optimum time-delay for chaos synchronization regimes of semiconductor lasers
  Peters-Flynn, S., Spencer, P., Sivaprakasam, S., Pierce, I. & Shore, A., Ebr 2006, Yn: IEEE Journal of Quantum Electronics. 42, 4, t. 427-434
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydInfluence of optical feedback on anticorrelation polarisation dynamics in VCSELs
  Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 1 Ebr 2006.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydOptical Chaos Communications using Laser Diodes.
  Lee, M. W., Paul, J., Hong, Y., Pierce, I., Spencer, P. S. & Shore, K. A., 21 Tach 2006.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydOptical chaos communications
  Shore, K. A., Hong, Y., Lee, M. W., Pierce, I., Paul, J. & Spencer, P. S., 1 Awst 2006.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydOptical feedback dependence of anticorrelation polarization dynamics in vertical-cavity surface-emitting lasers
  Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 1 Hyd 2006.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydOptical feedback dependence of anticorrelation polarization dynamics in vertical-cavity surface-emitting lasers
  Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 1 Tach 2006, Yn: Journal of the Optical Society of America B: Optical Physics. 23, 11, t. 2285-2290
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydSemiconductor lasers subject to incoherent optical feedback.
  Ju, R., Hong, Y., Pierce, I. & Spencer, P. S., 1 Ebr 2006.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydSemiconductor lasers subject to polarisation rotated optical feedback.
  Ju, R., Hong, Y. & Spencer, P. S., 1 Ion 2006.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydSemiconductor lasers subject to polarisation-rotated optical feedback.
  Ju, R., Hong, Y. & Spencer, P. S., 1 Meh 2006, Yn: IEE Proceedings: Optoelectronics. 153, 3, t. 131-137
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydSynchronisation recovery in unidirectionally coupled semiconductor lasers
  Peters-Flynn, S., Pierce, I., Spencer, P. S. & Rees, P., 13 Chwef 2006, Yn: IEE Proceedings: Optoelectronics. 153, 1, t. 8-12
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydThe 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 Awst 2006, Yn: Journal of Lightwave Technology. 24, 8, t. 3210-3216
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydTunable quantum cascade lasers with phase-matched third harmonic generation
  Banerjee, S., Spencer, P. & Shore, K. A., 3 Awst 2006, Yn: Applied Physics Letters. 89, 5, t. 051113
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2005

• CyhoeddwydAnalysis of chaos generated by a modulated self-pulsating laser diode
  Walker, R., Rees, P., Pierce, I., Spencer, P. S. & Roberts, G. W., 8 Ebr 2005, Yn: IEE Proceedings: Optoelectronics. 152, 2, t. 90-96
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydCross polarisation synchronisation of chaotic laser diodes.
  Ju, R. & Spencer, P. S., 1 Maw 2005.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydDesign of Tunable Intersubband Semiconductor Lasers.
  Banerjee, S., Spencer, P. S. & Shore, K. A., 1 Maw 2005.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydDynamic regimes in semiconductor lasers subject to incoherent optical feedback
  Ju, R. & Spencer, P. S., 1 Awst 2005, Yn: Journal of Lightwave Technology. 23, 8, t. 2513-2523
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydExperimental 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 Rhag 2005.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydInvestigation of polarization bistability in vertical-cavity surface-emitting lasers subjected to optical feedback
  Hong, Y., Ju, R., Spencer, P. & Shore, K. A., Mai 2005, Yn: IEEE Journal of Quantum Electronics. 41, 5, t. 619-624
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydOptical Feedback Applications.
  Spencer, P. S., 1 Mai 2005.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydPartial 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 Maw 2005.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydPolarization-preserved and polarization-rotated synchronization of chaotic vertical-cavity surface-emitting lasers
  Ju, R., Spencer, P. & Shore, K. A., 1 Rhag 2005, Yn: IEEE Journal of Quantum Electronics. 41, 12, t. 1461-1467
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydPolychromatic coupled cavity model of passive structures.
  Perkins, D., Spencer, P. S. & Rees, P., 1 Ebr 2005, Yn: IEE Proceedings: Optoelectronics. 152, 2, t. 58-65
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydRelative intensity noise and polarisation stability of VCSELs subject to polarisation-resolved optical feedback
  Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 1 Rhag 2005.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydRossler model for phase synchronisation in chaotic semiconductor laser systems with frequency selective coupling
  Pierce, I., Peters-Flynn, S. & Spencer, P. S., 1 Maw 2005.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydThe influence of optical feedback on polarisation bistability in VCSELs.
  Hong, Y., Ju, R., Spencer, P. S. & Shore, K. A., 1 Maw 2005.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

2004

• CyhoeddwydAnalysis of spatial field profile in integrated external cavity diode lasers.
  Causa, F., Rees, P., Spencer, P. S. & Sarma, J., 1 Ebr 2004.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydChaotic 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 Rhag 2004.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydConsequences of optical fibre propagation on chaotic data masking using laser diodes
  Peters-Flynn, S., Pierce, I., Rees, P. & Spencer, P. S., 1 Mai 2004.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydCross-polarisation enhancement in VCSELs subject to optical injection.
  Bandyopadhyay, S., Spencer, P. S. & Shore, K. A., 10 Ion 2004.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydExperimental 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 Hyd 2004.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydExtending the parameter space of anticipated synchronisation in laser diodes.
  Peters-Flynn, S., Pierce, I., Spencer, P. S. & Shore, K. A., 1 Ebr 2004.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydIncoherent optical feedback regimes in semiconductor lasers: Theory and Experiment
  Ju, R., Spencer, P. S. & Shore, K. A., 1 Ebr 2004.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydSynchronisation of coupled VCSELs operating in the coherence collapse regime
  Ju, R., Hong, Y., Spencer, P. S. & Shore, K. A., 1 Ebr 2004.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

2003

• CyhoeddwydAnticipated chaos in a nonsymmetric coupled external-cavity-laser system.
  Rees, P., Spencer, P. S., Pierce, I., Sivaprakasam, S. & Shore, K. A., 1 Medi 2003, Yn: Physical Review A. 68, 3, t. 033818
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydConcurrent synchronisation of chaotic external cavity laser diodes.
  Sivaprakasam, S., Paul, J., Spencer, P. S., Rees, P. & Shore, K. A., 1 Ebr 2003.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydCoupled cavity multi-mode model of laser diodes subject to optical feedback.
  Perkins, D., Spencer, P. S. & Shore, K. A., 1 Ebr 2003.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydDesign and fabrication of a 2mu quantum cascade laser.
  Banerjee, S., Spencer, P. S., Barlow, G. F. & Shore, K. A., 1 Ion 2003.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydDynamics of laser diodes subject to partially coherent optical feedback
  Ju, R., Spencer, P. S. & Shore, K. A., 1 Ebr 2003.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydNullified 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 Hyd 2003.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydOptically modulated chaotic communication scheme using external-cavity length as a key to security
  Paul, J., Sivaprakasam, S., Spencer, P. S. & Shore, K. A., 1 Maw 2003, Yn: Journal of the Optical Society of America B: Optical Physics. 20, 3, t. 497-503
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydTerahertz Relaxation Oscillations in Intersubband lasers.
  Banerjee, S., Rees, P., Spencer, P. S. & Shore, K. A., 1 Ebr 2003.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydVCSEL polarization control by optical injection
  Bandyopadhyay, S., Hong, Y., Spencer, P. & Shore, K. A., 1 Hyd 2003, Yn: Journal of Lightwave Technology. 21, 10, t. 2395-2404
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2002

• CyhoeddwydAnticipating synchronization in a bi-directional laser diode configuration.
  Sivaprakasam, S., Spencer, P. S., Rees, P., Pierce, I. & Shore, K. A., 1 Ion 2002.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydDynamics and spectra of VCSELs subject to optical injection.
  Hong, Y. H., Bandyopadhyay, S., Rees, P., Spencer, P. S. & Shore, K. A., 1 Gorff 2002.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydOptical feedback dependence of laser diode relative intensity noise.
  Hong, Y. H., Bandyopadhyay, S., Sivaprakasam, S., Spencer, P. S. & Shore, K. A., 1 Hyd 2002.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydOptical injection control of polarization pulsations in VCSELs.
  Bandyopadhyay, S., Hong, Y., Spencer, P. S. & Shore, K. A., 1 Hyd 2002.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydPolarization-resolved chaos in a VCSEL subject to optical injection.
  Hong, Y. H., Rees, P., Spencer, P. S., Bandyopadhyay, S. & Shore, K. A., 1 Mai 2002.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydPolarization-resolved chaos in a vertical cavity surface emitting laser subject to optical injection
  Hong, Y. H., Rees, P., Spencer, P. S. & Bandyopadhyay, S., 1 Hyd 2002.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydPolarization-resolved chaos in optically injected VCSELs.
  Hong, Y. H., Rees, P., Spencer, P. S., Bandyopadhyay, S. & Shore, K. A., 1 Gorff 2002.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydStabilisation of self-pulsation of VCSEL polarisation by optical injection
  Bandyopadhyay, S., Hong, Y., Spencer, P. S. & Shore, K. A., 1 Gorff 2002.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydTransverse Mode Dynamics of Vertical Cavity Surface Emitting Lasers Subject to Polarized Optical Injection
  Hong, Y. H., Spencer, P. S. & Shore, K. A., 1 Ion 2002.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

2001

• CyhoeddwydChaos and synchronization of self-pulsating laser diodes
  Jones, R. J., Rees, P., Spencer, P. & Shore, K. A., 1 Chwef 2001, Yn: Journal of the Optical Society of America B: Optical Physics. 18, 2, t. 166-172
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydCommunicating with Chaos.
  Sivaprakasam, S., Pierce, I., Spencer, P. S., Jones, R. J., Rees, P. & Shore, K. A., 1 Ion 2001.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydDetermination 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 Medi 2001.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydGHz bandwidth message transmission using chaotic diode lasers.
  Paul, J., Sivaprakasam, S., Spencer, P. S., Rees, P. & Shore, K. A., 1 Ebr 2001.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydHysteresis dependence on injection power and frequency detuning in bistable VCSELs
  Hong, Y., Spencer, P. S. & Shore, K. A., 1 Ebr 2001.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydIntegrity of all-optical data encryption using chaotic external-cavity diode lasers.
  Sivaprakasam, S., Paul, J., Spencer, P. S. & Shore, K. A., 1 Ebr 2001.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydInverse synchronisation in semiconductor laser diodes
  Sivaprakasam, S., Pierce, I., Rees, P., Spencer, P., Shore, K. A. & Valle, A., 31 Mai 2001, Yn: Physical Review A. 64, 1, 013805.
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydPower and frequency dependence of hysteresis in optically bistable injection-locked VCSELs.
  Hong, Y., Spencer, P. & Shore, K. A., 26 Ebr 2001, Yn: Electronics Letters. 37, 9, t. 569-570
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
• CyhoeddwydQuadrature 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 Ebr 2001.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydSynchronisation regimes in chaotic diode lasers.
  Pierce, I., Rees, P., Sivaprakasam, S., Spencer, P. S. & Shore, K. A., 1 Medi 2001.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
• CyhoeddwydTransverse mode dynamics of VCSELs subject to optical injection.
  Hong, Y., Spencer, P. S. & Shore, K. A., 1 Medi 2001.
  Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

2000

• CyhoeddwydRoot locus method for predicting the stability of laser diodes with optical feedback
  Pierce, I., Rees, P., Spencer, P. & Shore, K. A., 8 Meh 2000, Yn: Electronics Letters. 36, 12, t. 1029-1031
  Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2024

• BUILT final and dinner

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

  2 Mai 2024

  Gweithgaredd: Arall (Cyfrannwr)

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

  01/04/2024 – 15/04/2025 (Wedi gorffen)

• Open Access Block Award 2023

  01/04/2023 – 30/06/2024 (Wedi gorffen)

• BU allocation of Horizon Europe Talent and Research Stabiliation Fund

  21/11/2022 – 31/08/2023 (Wedi gorffen)

• NERC Cross Disciplinary research for Discovery Science

  01/10/2022 – 30/04/2023 (Wedi gorffen)

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

  01/04/2022 – 31/05/2023 (Wedi gorffen)

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

  01/04/2022 – 31/05/2023 (Wedi gorffen)

• Open Access Block Award 2022

  01/04/2022 – 30/04/2023 (Wedi gorffen)

• NERC Discipline Hopping (DH) for Environmental Solutions

  01/12/2021 – 01/08/2022 (Wedi gorffen)

• ODA Adjustment Funding

  01/04/2021 – 01/08/2022 (Wedi gorffen)

• Open Access Block Award 2021

  01/04/2021 – 01/08/2022 (Wedi gorffen)

• HEFCW HEIR Higher Education Investment and Recovery Fund

  01/11/2020 – 30/09/2023 (Wedi gorffen)

• COVID 19 Grant Extension Allocation Bangor University

  01/07/2020 – 01/08/2022 (Wedi gorffen)

• Open Access Block Award 2020

  01/04/2020 – 01/08/2022 (Wedi gorffen)

• Experiment and theory to inform industrial Graphene Manufacturing

  01/04/2017 – 30/07/2018 (Wedi gorffen)

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

  01/04/2017 – 01/08/2022 (Wedi gorffen)

• Semiconductor and Photonics Technology KTC

  01/01/2011 – 30/04/2013 (Wedi gorffen)

• Industrial Case with Creo Medical Ltd

  01/10/2010 – 31/03/2014 (Wedi gorffen)

• Versatile Frequency-Shifted Feedback

  26/06/2005 – 31/07/2009 (Wedi gorffen)

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.