Prof. Paul S. Spencer Profile

Prof. Paul S. Spencer

Lecturer at Bangor Univ

SPIE Involvement:

Author

Publications (20)

Proceedings Article | 28 April 2016 Paper

Complexity of chaos in three cascaded vertical-cavity surface-emitting lasers

Yanhua Hong, Ana Quirce, Bingjie Wang, Krassimir Panajotov, Paul Spencer

Proc. SPIE. 9892, Semiconductor Lasers and Laser Dynamics VII

KEYWORDS: Polarization, Photonics, Optical communications, Feedback control, Laser optics, Optical isolators

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Proceedings Article | 29 January 2008 Paper

Chirped comb generation in frequency shifted feedback DFB lasers

Jon Paul, Yanhua Hong, Paul Spencer, K. Alan Shore

Proc. SPIE. 6909, Novel In-Plane Semiconductor Lasers VII

KEYWORDS: Mirrors, Interferometers, Optical testing, Semiconductor lasers, Frequency combs, Optical pumping, Bragg cells, Laser optics, Ranging, Michelson interferometers

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Proceedings Article | 2 October 2006 Paper

Optical feedback dependence of anticorrelation polarization dynamics in vertical-cavity surface-emitting lasers

Yanhua Hong, Jon Paul, Paul Spencer, K. Alan Shore

Proc. SPIE. 6388, Optical Transmission Systems and Equipment for Networking V

KEYWORDS: Mirrors, Beam splitters, Switching, Polarization, Semiconductor lasers, Laser resonators, Collimation, Vertical cavity surface emitting lasers, Oscilloscopes, Optical isolators

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Proceedings Article | 29 September 2006 Paper

Anticorrelation polarization dynamics in VCSELs

Yanhua Hong, Jon Paul, Paul Spencer, K. Alan Shore

Proc. SPIE. 6399, Advanced Free-Space Optical Communication Techniques/Applications II and Photonic Components/Architectures for Microwave Systems and Displays

KEYWORDS: Mirrors, Beam splitters, Switching, Modulation, Polarization, Sensors, Semiconductor lasers, Free space optics, Vertical cavity surface emitting lasers, Laser optics

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Proceedings Article | 28 February 2006 Paper

Semiconductor lasers subject to polarization-rotated optical feedback

R. Ju, Y. Hong, Paul Spencer

Proc. SPIE. 6115, Physics and Simulation of Optoelectronic Devices XIV

KEYWORDS: Beam splitters, Fabry–Perot interferometers, Lasers, Polarization, Reflectivity, Wave plates, Semiconductor lasers, Laser resonators, Optical isolators, Pulsed laser operation

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Proceedings Article | 25 May 2004 Paper

Catastrophic loss of mode discrimination in coupled cavity systems

David Perkins, Paul Spencer, Iestyn Pierce, Paul Rees

Proc. SPIE. 5468, Fluctuations and Noise in Photonics and Quantum Optics II

KEYWORDS: Reflectors, Refractive index, Mirrors, Lasers, Dielectrics, Inspection, Reflectivity, Semiconductor lasers, Fractal analysis, Laser optics

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Proceedings Article | 3 July 2003 Paper

Chaotic data encryption using semiconductor laser diodes

Paul Rees, Siva Sivaprakasam, Paul Spencer, Jon Paul, Iestyn Pierce, K. Shore

Proc. SPIE. 4995, Novel In-Plane Semiconductor Lasers II

KEYWORDS: Transmitters, Photodetectors, Mirrors, Beam splitters, Modulation, Receivers, Computer programming, Semiconductor lasers, Laser optics, Optical isolators

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Proceedings Article | 16 May 2003 Paper

Enhanced intensity fluctuations in a laser diode subject to optical feedback

Yanhua Hong, Cristina Masoller, Rai Ju, Sujit Bandyopadhyay, Siva Sivaprakasam, Paul Spencer, Keith Shore

Proc. SPIE. 5111, Fluctuations and Noise in Photonics and Quantum Optics

KEYWORDS: Coherence (optics), Reflectivity, Numerical simulations, Semiconductor lasers, Solids, Optical simulations, Laser damage threshold, Vertical cavity surface emitting lasers, Laser optics, Edge emitting semiconductor lasers

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Proceedings Article | 15 April 2003 Paper

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

Yanhau Hong, Paul Rees, Paul Spencer, Sujit Bandyopadhyay, K. Shore

Proc. SPIE. 4942, VCSELs and Optical Interconnects

KEYWORDS: Wafer-level optics, Beam splitters, Polarization, Adaptive optics, Semiconductor lasers, Vertical cavity surface emitting lasers, Four wave mixing, Laser optics, Edge emitting semiconductor lasers, Chaos

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Proceedings Article | 15 April 2003 Paper

Optical injection control of polarization pulsations in VCSELs

Sujit Bandyopadhyay, Yanhau Hong, Paul Spencer, K. Shore

Proc. SPIE. 4942, VCSELs and Optical Interconnects

KEYWORDS: Beam splitters, Tunable lasers, Spectrum analysis, Switching, Polarization, Semiconductor lasers, Laser stabilization, Vertical cavity surface emitting lasers, Polarization control, Laser optics

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Proceedings Article | 11 March 2003 Paper

Optical feedback dependence of laser diode relative intensity noise

Yanhau Hong, Sujit Bandyopadhyay, Siva Sivaprakasam, Paul Spencer, Keith Shore

Proc. SPIE. 4947, Laser Diodes, Optoelectronic Devices, and Heterogenous Integration

KEYWORDS: Mirrors, Spectrum analysis, Radon, Semiconductor lasers, Collimation, Solids, Laser damage threshold, Vertical cavity surface emitting lasers, Laser optics, Edge emitting semiconductor lasers

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Proceedings Article | 12 June 2002 Paper

Transition between anticipating and lag synchronization in chaotic external-cavity laser diodes

Siva Sivaprakasam, Paul Spencer, Paul Rees, Keith Shore

Proc. SPIE. 4646, Physics and Simulation of Optoelectronic Devices X

KEYWORDS: Transmitters, Photodetectors, Beam splitters, Spectrum analysis, Complex systems, Receivers, Fiber lasers, Semiconductor lasers, Americium, Chaos

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Proceedings Article | 12 June 2002 Paper

Cavity length as a key to security in a chaotic optical communication scheme

John Paul, Siva Sivaprakasam, Paul Spencer, Keith Shore

Proc. SPIE. 4646, Physics and Simulation of Optoelectronic Devices X

KEYWORDS: Transmitters, Mirrors, Modulation, Receivers, Semiconductor lasers, Telecommunications, Optical communications, Laser optics, Optical isolators, Chaos

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Proceedings Article | 12 June 2002 Paper

Theoretical analysis of synchronization of chaotic self-pulsating semiconductor lasers

Sara Garcia-Revilla, Angel Valle, Paul Spencer, Robin Jones, Paul Rees, Jose Revuelta, Luis Pesquera, Keith Shore

Proc. SPIE. 4646, Physics and Simulation of Optoelectronic Devices X

KEYWORDS: Transmitters, Diamond, Modulation, Photons, Numerical simulations, Receivers, Semiconductor lasers, Telecommunications, Solids, Chaos

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Proceedings Article | 12 June 2002 Paper

Transverse-mode dynamics of vertical-cavity surface-emitting lasers subject to polarized optical injection

Yanhau Hong, Paul Spencer, Paul Rees, Keith Shore

Proc. SPIE. 4646, Physics and Simulation of Optoelectronic Devices X

KEYWORDS: Blood, Physics, Optoelectronic devices, Vertical cavity surface emitting lasers

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Proceedings Article | 9 July 2001 Paper

Communicating with chaos

Siva Sivaprakasam, Iestyn Pierce, Paul Spencer, Robin Jones, Paul Rees, Keith Shore

Proc. SPIE. 4283, Physics and Simulation of Optoelectronic Devices IX

KEYWORDS: Transmitters, Photodetectors, Reflectivity, Receivers, Computer programming, Semiconductor lasers, Telecommunications, Optical communications, Vertical cavity surface emitting lasers, Chaos

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Proceedings Article | 6 August 1999 Paper

Synchronization of chaotic diode lasers: application to data encryption

Claudio Mirasso, Paul Spencer, Pere Colet, A. Sanchez-Diaz, Keith Shore, Priscila Garcia-Fernandez

Proc. SPIE. 3625, Physics and Simulation of Optoelectronic Devices VII

KEYWORDS: Transmitters, Mirrors, Reflectivity, Receivers, Semiconductor lasers, Picosecond phenomena, Vertical cavity surface emitting lasers, Stereolithography, Information operations, Chaos

Proceedings Article | 7 July 1998 Paper

Multimode dynamics of semiconductor lasers subject to strong optical feedback

Paul Spencer, Keith Shore

Proc. SPIE. 3283, Physics and Simulation of Optoelectronic Devices VI

KEYWORDS: Continuous wave operation, Reflectivity, Computing systems, Semiconductor lasers, Laser resonators, Diodes, Optical simulations, Laser damage threshold, Picosecond phenomena, Laser optics

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Proceedings Article | 7 July 1998 Paper

Controlling nonlinear dynamics of external-cavity laser diodes using impulsive electronic feedback

A. Naumenko, Natalia Loiko, Sergei Turovets, Paul Spencer, Keith Shore

Proc. SPIE. 3283, Physics and Simulation of Optoelectronic Devices VI

KEYWORDS: Phase conjugation, Transmitters, Coherence (optics), Modulation, Computing systems, Control systems, Semiconductor lasers, Nonlinear dynamics, Microwave radiation, Chaos

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Proceedings Article | 7 July 1998 Paper

Strong optical feedback effects on vertical-cavity surface-emitting lasers

Paul Spencer, Claudio Mirasso, Keith Shore

Proc. SPIE. 3283, Physics and Simulation of Optoelectronic Devices VI

KEYWORDS: Mirrors, Reflectivity, Computing systems, Numerical simulations, Semiconductor lasers, Laser resonators, Laser damage threshold, Picosecond phenomena, Vertical cavity surface emitting lasers, Optical switching

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Showing 5 of 20 publications

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