Optical logic elements

Details Optical logic elements Optical logic elements

1977-09-26

1978-12-05

Corbin, John K.

G02B 514

Patent

active

041283007

ABSTRACT:
An improved optical element is provided by an arrangement of optical wavedes disposed with two photoconductive paths and a plurality of electrodes arranged to impress an electric field across the optical waveguide configuration and the photoconductive paths. Optical energy is fed into an input optical waveguide and, dependent upon the optical inputs to the first and second photoconductive paths, an output is produced by the optical waveguide configuration in the manner of a logic gate. Variant configuration of the optical waveguide assembly can be made to perform in the manner of an AND gate, and OR gate, an exclusive OR gate, a NOR gate, or a NAND gate; alternatively, combination configurations can simultaneously perform multiple logic functions.

REFERENCES:
patent: 3909108 (1975-09-01), Taylor
patent: 3995311 (1976-11-01), Taylor
patent: 4070094 (1978-01-01), Martin

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