Professor Paul Spencer

Dirprwy Is-ganghellor (Ymchwil)

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.

  1. 2006
  2. Cyhoeddwyd

    Design 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 gyfnodolynErthygladolygiad gan gymheiriaid

  3. Cyhoeddwyd

    Semiconductor lasers subject to polarisation rotated optical feedback.

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

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  4. 2005
  5. 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 gynhadleddPapur

  6. 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. 1461-1467

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  7. Cyhoeddwyd

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

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

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  8. Cyhoeddwyd

    Dynamic 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 gyfnodolynErthygladolygiad gan gymheiriaid

  9. Cyhoeddwyd

    Optical Feedback Applications.

    Spencer, P. S., 1 Mai 2005.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  10. Cyhoeddwyd

    Investigation 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 gyfnodolynErthygladolygiad gan gymheiriaid

  11. Cyhoeddwyd

    Analysis 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 gyfnodolynErthygladolygiad gan gymheiriaid

  12. Cyhoeddwyd

    Polychromatic coupled cavity model of passive structures.

    Perkins, D., Spencer, P. S. & Rees, P., 1 Ebr 2005, Yn: IEE Proceedings: Optoelectronics. 152, 2, t. 58-65

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  13. Cyhoeddwyd

    Cross polarisation synchronisation of chaotic laser diodes.

    Ju, R. & Spencer, P. S., 1 Maw 2005.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  14. Cyhoeddwyd

    Design of Tunable Intersubband Semiconductor Lasers.

    Banerjee, S., Spencer, P. S. & Shore, K. A., 1 Maw 2005.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  15. 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 gynhadleddPapur

  16. 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 gynhadleddPapur

  17. Cyhoeddwyd

    The 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 gynhadleddPapur

  18. 2004
  19. 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 gynhadleddPapur

  20. Cyhoeddwyd

    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 gynhadleddPapur

  21. 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 gynhadleddPapur

  22. Cyhoeddwyd

    Analysis 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 gynhadleddPapur

  23. 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 gynhadleddPapur

  24. 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 gynhadleddPapur

  25. Cyhoeddwyd

    Synchronisation 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 gynhadleddPapur

  26. Cyhoeddwyd

    Cross-polarisation enhancement in VCSELs subject to optical injection.

    Bandyopadhyay, S., Spencer, P. S. & Shore, K. A., 10 Ion 2004.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  27. 2003
  28. Cyhoeddwyd

    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 gynhadleddPapur

  29. Cyhoeddwyd

    VCSEL 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 gyfnodolynErthygladolygiad gan gymheiriaid

  30. 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. 033818

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  31. Cyhoeddwyd

    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 gynhadleddPapur

  32. 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 gynhadleddPapur

  33. 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 gynhadleddPapur

  34. Cyhoeddwyd

    Terahertz Relaxation Oscillations in Intersubband lasers.

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

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  35. 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. 497-503

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  36. Cyhoeddwyd

    Design 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 gynhadleddPapur

  37. 2002
  38. Cyhoeddwyd

    Optical 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 gynhadleddPapur

  39. Cyhoeddwyd

    Optical injection control of polarization pulsations in VCSELs.

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

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  40. Cyhoeddwyd

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

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

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  41. Cyhoeddwyd

    Dynamics 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 gynhadleddPapur

  42. Cyhoeddwyd

    Polarization-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 gynhadleddPapur

  43. Cyhoeddwyd

    Stabilisation 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 gynhadleddPapur

  44. Cyhoeddwyd

    Polarization-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 gynhadleddPapur

  45. 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 gynhadleddPapur

  46. Cyhoeddwyd

    Transverse 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 gynhadleddPapur

  47. 2001
  48. 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 gynhadleddPapur

  49. 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 gynhadleddPapur

  50. Cyhoeddwyd

    Transverse mode dynamics of VCSELs subject to optical injection.

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

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  51. Cyhoeddwyd

    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 gyfnodolynErthygladolygiad gan gymheiriaid

  52. Cyhoeddwyd

    Power 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 gyfnodolynErthygladolygiad gan gymheiriaid

  53. Cyhoeddwyd

    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 gynhadleddPapur

  54. Cyhoeddwyd

    Hysteresis 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 gynhadleddPapur

  55. 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 gynhadleddPapur

  56. 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 gynhadleddPapur