Professor Paul Spencer
Dirprwy Is-ganghellor (Ymchwil)
Aelodaeth
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.
- 2020
- Cyhoeddwyd
Flat 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. 39076-39083Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Characteristics 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. 1394-1400Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2018
- Cyhoeddwyd
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 Hyd 2018, Yn: Journal of Lightwave Technology. 36, 19, t. 4347-4353Allbwn ymchwil: Cyfraniad at gyfnodolyn › Rhifyn Arbennig › adolygiad gan gymheiriaid
- 2017
- Cyhoeddwyd
Broad 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
- Cyhoeddwyd
Concealment 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, 8Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2015
- Cyhoeddwyd
Enhanced 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. 1200106Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2014
- Cyhoeddwyd
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 Chwef 2014, Yn: IEEE Journal of Quantum Electronics. 50, 4, t. 236-242Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2013
- Cyhoeddwyd
Photonic 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
- Cyhoeddwyd
Flat 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. 1536-1541Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Enhancement 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. 415-419Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2010
- Cyhoeddwyd
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 Tach 2010, Yn: Optics Letters. 35, 21, t. 3688-3690Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Experimental 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
- 2009
- Cyhoeddwyd
GHz 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. 5099-5105Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Analysis of Experimental Data from a Chaos Communication Channel.
Lea, S. & Spencer, P. S., 1 Ion 2009.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Pseudo Random Bit Sequence Transmission in Chaos Communication Channels.
Lea, S. & Spencer, P. S., 1 Ion 2009.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- 2008
- Cyhoeddwyd
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 Hyd 2008, Yn: IEEE Communications Letters. 12, 10, t. 788-790Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Collapse 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. 1137-1138Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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 Medi 2008, Yn: Journal of Lightwave Technology. 26, 17-20, t. 3216-3224Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Experimental 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. 043803Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Experimental 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
- Cyhoeddwyd
Frequency 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
- Cyhoeddwyd
Enhanced chaos synchronization in unidirectionally coupled vertical-cavity surface-emitting semiconductor lasers with polarization-preserved injection
Hong, Y., Lee, M. W., Paul, J., Spencer, P. S. & Shore, K. A., 15 Maw 2008, Yn: Optics Letters. 33, 6, t. 587-589Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Frequency 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. 97-108Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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 Maw 2008, Yn: Journal of Optical Networking. 7, 3, t. 198-214Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Influence of low-frequency modulation on polarization switching of VCSELs subject to optical feedback
Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 1 Ion 2008, Yn: IEEE Journal of Quantum Electronics. 44, 1-2, t. 30-35Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2007
- Cyhoeddwyd
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 Rhag 2007, Yn: IET Optoelectronics. 1, 6, t. 277-279Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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 Tach 2007, Yn: IEEE Photonics Technology Letters. 19, 21-24, t. 1708-1710Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Impact 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. 1987-1994Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Nonlinear 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
- Cyhoeddwyd
Polarization-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
- Cyhoeddwyd
Impact 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
- Cyhoeddwyd
Modeling 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
- Cyhoeddwyd
Frequency 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
- 2006
- Cyhoeddwyd
Optical 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
- Cyhoeddwyd
Optical 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. 2285-2290Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Optical 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
- Cyhoeddwyd
Anticorrelation polarization dynamics in VCSELs
Hong, Y., Paul, J., Spencer, P. S. & Shore, K. A., 11 Medi 2006.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Bias-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. 081123Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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 Awst 2006, Yn: Journal of Lightwave Technology. 24, 8, t. 3210-3216Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Tunable 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. 051113Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Chaos 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
- Cyhoeddwyd
Optical 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
- Cyhoeddwyd
Semiconductor lasers subject to polarisation-rotated optical feedback.
Ju, R., Hong, Y. & Spencer, P. S., 1 Meh 2006, Yn: IEE Proceedings: Optoelectronics. 153, 3, t. 131-137Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Effect 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
- Cyhoeddwyd
Identification 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
- Cyhoeddwyd
Influence 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
- Cyhoeddwyd
Semiconductor lasers subject to incoherent optical feedback.
Ju, R., Hong, Y., Pierce, I. & Spencer, P. S., 1 Ebr 2006.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Identification 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. 427-434Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Experimental 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. 748-750Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Synchronisation 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. 8-12Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid