1 February 1991 Semiconductor waveguides for optical switching
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Proceedings Volume 1362, Physical Concepts of Materials for Novel Optoelectronic Device Applications II: Device Physics and Applications; (1991) https://doi.org/10.1117/12.24512
Event: Physical Concepts of Materials for Novel Optoelectronic Device Applications, 1990, Aachen, Germany
Abstract
Nonlinear semiconductor waveguides are investigated with respect to their use for optical bistability and temporal optical switching with results given for silicon-on-sapphire devices. The performance of the waveguides is assessed with comparisons to nonlinear Fabry-Perot cavities, and the conditions for optical bistability are theoretically shown to be possible by combining a waveguide and a diffraction-grating coupler. Structures experimentally investigated include semiconductor layers epitaxially grown on substrates having low refractive indices. Optical switching is reported on reflected or transmitted beams and on the guided-wave intensity by means of excitation pulses in the nanosecond or picosecond range. The data confirm the usefulness of nonlinear waveguides as alternative devices for temporal optical switching and logic-gate development in part due to their good switching times.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Suzanne Laval, Suzanne Laval, } "Semiconductor waveguides for optical switching", Proc. SPIE 1362, Physical Concepts of Materials for Novel Optoelectronic Device Applications II: Device Physics and Applications, (1 February 1991); doi: 10.1117/12.24512; https://doi.org/10.1117/12.24512
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