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.
- Cyhoeddwyd
Polarization-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. 1461-1467Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Dynamics 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
- Cyhoeddwyd
Incoherent 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
- Cyhoeddwyd
Semiconductor lasers subject to polarisation rotated optical feedback.
Ju, R., Hong, Y. & Spencer, P. S., 1 Ion 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
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
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
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Pseudo Random Bit Sequence Transmission in Chaos Communication Channels.
Lea, S. & Spencer, P. S., 1 Ion 2009.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
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Analysis of Experimental Data from a Chaos Communication Channel.
Lea, S. & Spencer, P. S., 1 Ion 2009.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- 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
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
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
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GHz 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
- 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
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
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
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
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
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
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
Experimental 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
- Cyhoeddwyd
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 Maw 2003, Yn: Journal of the Optical Society of America B: Optical Physics. 20, 3, t. 497-503Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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
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
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 Ebr 2001.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Coupled 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
- Cyhoeddwyd
Determination 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
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Polychromatic coupled cavity model of passive structures.
Perkins, D., Spencer, P. S. & Rees, P., 1 Ebr 2005, Yn: IEE Proceedings: Optoelectronics. 152, 2, t. 58-65Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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
Extending 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
- Cyhoeddwyd
Consequences 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
- 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
- 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
Synchronisation 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
- Cyhoeddwyd
Rossler 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
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Root 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. 1029-1031Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Anticipated 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. 033818Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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
Chaotic 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
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Inverse 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
- Cyhoeddwyd
Anticipating 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
- Cyhoeddwyd
Integrity 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
- Cyhoeddwyd
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 Maw 2005.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Communicating 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
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Concurrent 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
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Optical Feedback Applications.
Spencer, P. S., 1 Mai 2005.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
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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 Hyd 2003.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
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Experimental 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
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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
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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