Cross-correlating PMD detector
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United States of America Patent
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Nov 25, 2003
Issued Date -
N/A
app pub date -
Jun 10, 2002
filing date -
Mar 6, 2000
priority date (Note) -
Expired
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Abstract
A polarization mode dispersion center (306) measures PMD impairment through the cross-correlation of optical pulses. A second variable phase retarder plate (504) is oriented with polarization eigenstates at preferably 45 degree angle with respect to those eigenstates of a first variable phase retarder plate (502) to provide controllable phase retardations that can be varied and measured as an indication of PMD impairment.
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