Optical switching device and parallel processing architecture

Details Optical switching device and parallel processing architecture Optical switching device and parallel processing architecture

1992-04-30

1994-04-05

Gregory, Bernarr E.

Optical waveguides

With optical coupler

Switch

385 15, 359107, 359108, 359244, 365215, 365234, G02F 300

Patent

active

H00012963

ABSTRACT:
A multiple-faced optical device comprising a light-responsive element having multiple faces, at least two of the faces constituting input faces for receipt of non-collinear light signals and at least one of the faces other than the input faces constituting an output face from which light signals transmitted through the light-responsive element are emitted. The light-responsive element is further configured to have optically-induced non-linear susceptibility to light signals transversely propagated through the light-responsive element such that at least one portion of the light-responsive element switches between two stable optical states in dependence on the total intensity of the light signals within the light-responsive element. The above-described optical device can be configured to perform various operations, such as AND/OR and INVERT/PASS logic operations, data line branching, signal time delay, and memory storage. An array of such devices provides parallel logic processing on a plurality of parallel optical data paths.

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