Tunable optical add/drop multiplexer

Details Tunable optical add/drop multiplexer Tunable optical add/drop multiplexer

2008-01-11

2008-10-07

Sanghavi, Hemang (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S036000, C385S047000, C359S522000, C359S584000, C359S619000

Reexamination Certificate

active

07433557

ABSTRACT:
The tunable add/drop multiplexer including a tiltable mirror, a fixed thin film filter, and first and second retro-reflector elements for redirecting express channels back out an input/output port and for redirecting drop channels back out an add/drop port, respectively.

REFERENCES:
patent: 4278351 (1981-07-01), Breckinridge et al.
patent: 6392807 (2002-05-01), Barbarossa et al.
patent: 6781757 (2004-08-01), Cormack
patent: 2005/0111005 (2005-05-01), Eussen et al.

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