Deterministic first and second order polarization mode dispersion compensator
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United States of America Patent
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Dec 19, 2006
Grant Date -
N/A
app pub date -
Jan 8, 2003
filing date -
Jan 24, 2002
priority date (Note) -
Expired
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Abstract
A polarization mode dispersion (PMD) feedforward compensator compensates first and second order PMD. An optical signal is provided to a PMD detector that senses first and second order PMD in the optical signal and produces control signals for the PMD compensator. The PMD compensator comprises, in series, a first polarization controller, an adjustable delay, a second polarization controller, a first fixed delay, a third polarization controller and a second fixed delay.
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