Colorless Differential Phase Shift Keyed and Low Crosstalk Demodulators
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United States of America Patent
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Issued Date -
Oct 19, 2006
app pub date -
Apr 14, 2006
filing date -
Apr 14, 2005
priority date (Note) -
Abandoned
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Abstract
A new differential phase-shift-keyed demodulator is disclosed which can achieve signal demodulation at different wavelengths on ITU grids without requiring active thermal tuning. In accordance with another aspect of the invention, a low-crosstalk demodulator is disclosed which reduces channel leakage by placing neighboring channels at non-optimal interference positions. A demodulator in accordance with the invention may be deployed in a WDM optical system.
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