WDM channel monitor and wavelength locker

Details WDM channel monitor and wavelength locker WDM channel monitor and wavelength locker

2005-06-14

2005-06-14

Toattey, Gregory J. (Department: 2877)

Optics: measuring and testing

By light interference

Having light beams of different frequencies

C398S196000

Reexamination Certificate

active

06906804

ABSTRACT:
A method and apparatus for monitoring and controlling each of at least one optical signal sources within a WDM system by using beat frequencies derived by combining portions of the optical signals provided by the optical signal sources and a reference optical signal.

REFERENCES:
patent: 5943132 (1999-08-01), Erskine
patent: 6590666 (2003-07-01), Baney et al.
patent: 6687006 (2004-02-01), Pering et al.

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