Optical isolators with ultra-low polarization mode dispersion
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United States of America Patent
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Apr 22, 2003
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N/A
app pub date -
Jun 30, 2000
filing date -
Jun 30, 2000
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Expired
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Abstract
This invention presents a novel tunable module that can be incorporated in various optical devices, to provide a tunability and selectivity in a characteristic of an optical signal by effectively modifying its optical path lengths. The present invention also provides an optical isolator that incorporates such a tunable module, so that polarization mode dispersion is minimized to an arbitrarily low level. The present invention further describes methods for incorporating the tunable module in optical devices and for tuning the optical characteristics.
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