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IEEE Computer Society European Conference (CompEuro)

Fast switching using nonlinear optics

Mohsen Guizani

Published Jan 2, 2003• 1 citation
Publisher

Abstract

The author presents a design prototype of a packet flow controller using optical interference filters. Optical bistable devices can be used to implement logic gates. Various design issues are discussed.>
DOI
10.1109/cmpeur.1992.218468

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Optical bistable devices [1] are being developed with a view to their use as logic gates in optical processors [2]. The response of an optical bistable device is strongly nonlinear and once a device has been fabricated, its behaviour as a logic gate can still be modified to a large extent by the variation of certain parameters used to bias the device, Important responses include the device’s fanout potential, its switching speed and the contrast between its high and low output levels. Because of the complexity of the behaviour, it can be difficult to see how one response varies as another is improved. The method of ‘operating curves’ explained here allows a system designer to see how optimum performance may be attained.