Fault tolerant optical switch

Details Fault tolerant optical switch Fault tolerant optical switch

1999-04-16

2000-12-12

Phan, James

Optical waveguides

With optical coupler

Switch

385 17, G02B 626

Patent

active

061609285

ABSTRACT:
A fault tolerant optical switch allows fault tolerance and redundant operation in an optical switching matrix. A plurality of redundant switch elements and waveguides and an optical reflector enable the fault tolerant optical switch to provide a spare optical path around a failed switch element. The redundant path may be established and maintained until the failed switch element can be replaced at which time the redundant path may again be available to provide a spare optical path in case of another switch element failure.

REFERENCES:
patent: 4121884 (1978-10-01), Greenwood
patent: 5699462 (1997-12-01), Fouquet et al.

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