Microwatt all-optical switches, array memories, and flip-flops

Chang Hai Wang; Ashley D. Lloyd; Brian S. Wherrett

doi:10.1117/12.47017

1 September 1991 Microwatt all-optical switches, array memories, and flip-flops

Chang Hai Wang, Ashley D. Lloyd, Brian S. Wherrett

Proceedings Volume 1505, Optics for Computers: Architectures and Technologies; (1991) https://doi.org/10.1117/12.47017
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

All-optical switching at power levels down to 4(mu) W using the large thermal dispersive nonlinearity present in nematic liquid crystals is presented. Parallel operation is demonstrated in the form of a 15 X 15 array memory, and design criteria for three-port logic operation are considered with regard to circuitry requirements such as gain, speed, and fan-out. The implementation of an all-optical flip-flop consisting of coupled three-port logic gates is also described.

Citation Download Citation

Chang Hai Wang, Ashley D. Lloyd, and Brian S. Wherrett "Microwatt all-optical switches, array memories, and flip-flops", Proc. SPIE 1505, Optics for Computers: Architectures and Technologies, (1 September 1991); https://doi.org/10.1117/12.47017

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