Control techniques and devices for an optical switch array

Details Control techniques and devices for an optical switch array Control techniques and devices for an optical switch array

2005-08-02

2005-08-02

Chowdhury, Tarifur R. (Department: 2871)

Optical waveguides

With optical coupler

Switch

C385S017000, C385S018000, C385S019000, C385S020000, C385S024000, C385S012000, C385S013000, C356S153000, C356S154000, C356S155000, C356S152100

Reexamination Certificate

active

06925218

ABSTRACT:
Techniques and systems for controlling an optical switch array based on local and global optical monitoring and feedback controls. Each optical switch element includes a local optical monitoring mechanism to form a local feedback control to lock the switch element at a desired orientation. The global optical monitoring is used to adjust at least one switch element in the path of the signal beam to maintain an overall alignment.

REFERENCES:
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patent: 5524153 (1996-06-01), Laor
patent: 6097858 (2000-08-01), Laor
patent: 6210401 (2001-04-01), Lai et al.
patent: 6344912 (2002-02-01), Hajjar et al.
patent: 6483962 (2002-11-01), Novotny
patent: 05-107485 (1993-04-01), None

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