All optical data selection element

Details All optical data selection element All optical data selection element

2006-02-14

2006-02-14

Nguyen, Dung T. (Department: 2871)

Optical waveguides

With optical coupler

Switch

C385S015000, C385S017000, C385S018000, C385S024000, C385S040000, C385S043000, C385S046000, C385S047000, C398S079000, C398S141000, C359S199200, C359S199200

Reexamination Certificate

active

06999646

ABSTRACT:
An all-optical switch includes a field combiner to produce a first intermediate signal by combining electric fields of an optical information signal and an optical control signal; a fist power combiner to produce a second intermediate signal by combining powers of the optical information signal and the optical control signal; and a second power combiner to produce an optical output signal based on a power difference between the first and second intermediate signals.

REFERENCES:
patent: 5754325 (1998-05-01), Michishita
patent: 6411415 (2002-06-01), Smets et al.

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