Hitless tunable optical add drop multiplexer with vernier...

Details Hitless tunable optical add drop multiplexer with vernier... Hitless tunable optical add drop multiplexer with vernier...

2005-08-09

2005-08-09

Kaveh, Kianni (Department: 2833)

Optical waveguides

With optical coupler

Switch

C385S030000, C385S015000, C385S037000

Reexamination Certificate

active

06928208

ABSTRACT:
A set of three gratings may be operated in a vernier loop fashion to select a particular wavelength from a wavelength division multiplexed system. As a result, an optical add/drop multiplexer may be provided that can be tuned to select a desired wavelength. In one embodiment, the tuning may be done thermo-optically.

REFERENCES:
patent: 6016371 (2000-01-01), Wickham et al.
patent: 6078418 (2000-06-01), Hansen et al.
patent: 6137927 (2000-10-01), Keck et al.
patent: 6522795 (2003-02-01), Jordan et al.
patent: 2002/0176088 (2002-11-01), Johnson et al.
patent: 2003/0086647 (2003-05-01), Willner et al.

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