Ultrafast digital optical signal processing using a Venn diagram

Details Ultrafast digital optical signal processing using a Venn diagram Ultrafast digital optical signal processing using a Venn diagram

1990-07-26

1992-08-04

Malzahn, David H.

Boots, shoes, and leggings

G06E 104

Patent

active

051365308

ABSTRACT:
An ultrafast digital optical signal processor includes a body of a third order nonlinear material and three input beams, two beams counterproprogating in the material on-axis and the third beam propagating off-axis, all simultaneously, to generate an output beam that counterpropogates with respect to the off-axis input beams. A set of three voltage controlled spatial light modulators are used for encoding the three input beams in accordance with a three-set Venn diagram based encoding scheme. The output beam is split into two parts which are decoded separately using a mask for one beam part and a spatial light modulator for the other beam part.

REFERENCES:
patent: 4042814 (1977-08-01), Taylor
patent: 4351589 (1982-09-01), Chavel et al.
patent: 4918635 (1990-04-01), Li et al.

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