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Fast All Optical Switching in a Silicon on Sapphire Waveguide

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Abstract

Using the excitation by a pulsed laser beam of a guided mode in a nonlinear silicon film deposited on sapphire, fast switching and bistability have been observed. A theoretical study, taking into account both electronic and thermal refractive index variations is presented which describes the experimental results accurately.

© 1987 Optical Society of America

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