System and method for setting a tunable filter in an optical...

Details System and method for setting a tunable filter in an optical... System and method for setting a tunable filter in an optical...

2007-10-16

2007-10-16

Chan, Jason (Department: 2613)

Optical communications

Multiplex

Wavelength division or frequency division

Reexamination Certificate

active

10897633

ABSTRACT:
A method and a system for setting a tunable filter in an optical network are provided. In one embodiment, a method for setting a tunable filter in an optical network includes rejecting a reference wavelength using a fixed filter from an input optical signal to generate a passthrough optical signal. A tunable filter is adjusted to maintain the tunable filter at the reference wavelength. The tunable filter is adjusted to a selected wavelength based on a determination of the reference wavelength.

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patent: 2001/0028494 (2001-10-01), Norwood et al.
patent: 2002/0186434 (2002-12-01), Roorda et al.
patent: 2003/0123789 (2003-07-01), Miyata et al.
patent: 2004/0179840 (2004-09-01), Kai et al.
patent: 2006/0210276 (2006-09-01), Korn et al.

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