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Optics Communications

High speed self-pulsation in a two-element optical bistable device

Kenju Otsuka, Jyh‐Long Chern, John K. McIver

Published May 1, 1990• 1 citation
Publisher
DOI
10.1016/0030-4018(90)90292-2

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We present a review of optical bistability in active and passive optoelectronic devices, with particular reference to switching speeds and powers. The large resonant nonlinearities available near the bandgaps of semiconductors may be utilized to develop bistable devices operating at low powers and high speeds. Passive devices are driven by external optical sources and include nonlinear etalons, nonlinear interfaces, self-focusing configurations and electro-optic modulators with electrical feedback. Active devices include injection lasers and superluminescent amplifiers. Potential advantages of active devices include speed, gain, sensitivity and the ability to drive other devices, but complexity and high power dissipation may limit their use in applications requiring high density.