Method and apparatus for measuring PMD of a dispersion compensation grating
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United States of America Patent
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May 8, 2001
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app pub date -
Oct 8, 1999
filing date -
Oct 8, 1999
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Abstract
A method, a system and a computer program product configured to determine a differential group delay of two sequential optical beams based on a frequency dependence of a length of an optical path traveled by the two sequential optical beams in a dispersion compensation grating. The determined differential group delay provides a measure of polarization mode dispersion in the dispersion compensation grating.
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