Chromatic dispersion compensation device
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United States of America Patent
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Oct 12, 2004
Issued Date -
N/A
app pub date -
Apr 3, 2001
filing date -
Nov 5, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and device is disclosed for dispersion compensation of an optical signal having periodic dispersion within a multi-channels system. For example interleaved optical channels often exhibit dispersion having a characteristic that is repeated in adjacent channels. By providing a periodic device that allows for polarization dependent routing of an interleaved signal to allow for multiple passes of said signal through a multi-cavity GT etalon, having a free-spectral range that corresponds to the channel spacing, the dispersion in the interleaved signal can be lessened and practically obviated or balanced to a desired level. This invention provides a device and method to achieve that end.
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