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...

2006-09-19

2006-09-19

Kianni, Kaveh (Department: 2883)

Optical waveguides

Directional optical modulation within an optical waveguide

Electro-optic

C385S008000, C385S010000

Reexamination Certificate

active

07110622

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: 4900119 (1990-02-01), Hill et al.
patent: 6522795 (2003-02-01), Jordan et al.
patent: 6600852 (2003-07-01), Augustsson
patent: 6959021 (2005-10-01), Po et al.
patent: 2002/0063948 (2002-05-01), Islam et al.
patent: 2002/0126714 (2002-09-01), Po et al.
patent: 2003/0189750 (2003-10-01), Islam et al.

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