Dr. John D. Ralston Profile

Dr. John D. Ralston

CEO & Chairman

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 2 September 2009 Paper

Design considerations for computationally constrained two-way real-time video communication

Lazar Bivolarski, Steven Saunders, John Ralston

Proceedings Volume 7443, 74430I (2009) https://doi.org/10.1117/12.835955

KEYWORDS: Video, Video compression, Video processing, Transform theory, Video coding, Standards development, Computer programming, Semantic video, 3D video compression, Image compression

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Proceedings Article | 8 July 2002 Paper

Advanced modulation and signal processing techniques for 40-Gb/s optical transmission systems

John Ralston, Joseph Kahn, Keang-Po Ho

Proceedings Volume 4872, (2002) https://doi.org/10.1117/12.475135

KEYWORDS: Modulation, Forward error correction, Channel projecting optics, Signal processing, Tolerancing, Receivers, Dense wavelength division multiplexing, Telecommunications, Transmittance, Adaptive optics

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Proceedings Article | 6 June 1997 Paper

Characterization and modeling of InGaAs/GaAs multiple quantum well lasers by capacitance-voltage measurements

Julia Arias, Ignacio Esquivias, Susann Buerkner, Pierre Chazan, John Ralston, Eric Larkins, Michael Mikulla, S. Weisser, Josef Rosenzweig

Proceedings Volume 2994, (1997) https://doi.org/10.1117/12.275603

KEYWORDS: Quantum wells, Doping, Optical simulations, Heterojunctions, Diffusion, Gallium arsenide, Beryllium, Semiconductor lasers, Capacitance, Profiling

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Proceedings Article | 10 April 1996 Paper

Advanced epitaxial growth and device processing techniques for ultrahigh-speed (>40 GHz) directly modulated semiconductor lasers

John Ralston, Eric Larkins, K. Eisele, S. Weisser, Susann Buerkner, A. Schoenfelder, Juergen Daleiden, Konrad Czotscher, Ignacio Esquivias, Joachim Fleissner, R. Sah, Martin Maier, Willy Benz, Josef Rosenzweig

Proceedings Volume 2683, (1996) https://doi.org/10.1117/12.237689

KEYWORDS: Modulation, Semiconductor lasers, Etching, Mirrors, Doping, Laser development, Quantum wells, Ion beams, Cladding, Aluminum

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Proceedings Article | 1 April 1996 Paper

Ultrahigh-speed InGaAs/GaAs MQW lasers with C-doped active regions

Konrad Czotscher, Eric Larkins, S. Weisser, Willy Benz, Juergen Daleiden, Ignacio Esquivias, Joachim Fleissner, Martin Maier, John Ralston, Beatriz Romero Herrero, A. Schoenfelder, Josef Rosenzweig

Proceedings Volume 2684, (1996) https://doi.org/10.1117/12.236942

KEYWORDS: Modulation, Quantum wells, Gallium arsenide, Cladding, Eye, Doping, Beryllium, Waveguide lasers, Silicon, Semiconductor lasers

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Proceedings Article | 1 April 1996 Paper

Carrier escape time in GaAs/AlGaAs and InGaAs/GaAs quantum well lasers

Ignacio Esquivias, Beatriz Romero Herrero, S. Weisser, Konrad Czotscher, John Ralston, Eric Larkins, Julia Arias, A. Schoenfelder, Michael Mikulla, Joachim Fleissner, Josef Rosenzweig

Proceedings Volume 2684, (1996) https://doi.org/10.1117/12.236950

KEYWORDS: Quantum wells, Doping, Modulation, Beryllium, Temperature metrology, Gallium arsenide, Semiconductor lasers, Signal processing, Diodes, Resistance

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Proceedings Article | 3 September 1992 Paper

16-GHz GaAs/AlGaAs multiple-quantum-well laser with vertically compact waveguide structure

John Ralston, Ignacio Esquivias, S. Weisser, Dominic Gallagher, Paul Tasker, Eric Larkins, Josef Rosenzweig, Hans Zappe, Joachim Fleissner, Donat As

Proceedings Volume 1680, (1992) https://doi.org/10.1117/12.137711

KEYWORDS: Gallium arsenide, Cladding, Quantum wells, Waveguides, Modulation, Luminescence, Aluminum, Optoelectronics, High speed electronics, Binary data

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Proceedings Article | 1 October 1990 Paper

Anomalies in the resonant magnetopolaron region for confined impurities in multiple quantum-well structures

Jiping Cheng, Bruce McCombe, G. Brozak, John Ralston, Gary Wicks

Proceedings Volume 1283, (1990) https://doi.org/10.1117/12.20753

KEYWORDS: Phonons, Magnetism, Polarons, Superlattices, Gallium arsenide, Physics, Interfaces, Signal to noise ratio, 3D modeling, Dielectrics

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Showing 5 of 8 publications

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