Tunable dispersion compensator

Details Tunable dispersion compensator Tunable dispersion compensator

H - Electricity

04

B

H04B 10/18 (2006.01) G02B 6/34 (2006.01)

Patent

CA 2324709

A method and device is disclosed for dispersion compensation of an optical signal. By providing two filters having a sloped dispersion and opposite in sign over a wavelength band wherein one filter is tunable, a controllable amount of dispersion can be introduced to offset or compensate dispersion. Preferably one of the filters is a tunable periodic device in the form of a multi-cavity GT etalon. In a preferred embodiment of the filters can be designed to provide various controllable but different constant amounts of dispersion.

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