Integrated polarization coupler
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United States of America Patent
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Sep 20, 2005
Grant Date -
May 20, 2004
app pub date -
Nov 18, 2002
filing date -
Nov 18, 2002
priority date (Note) -
Expired
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Abstract
A polarization coupler includes a stress-inducing feature disposed to generate a stress-field in a substrate. First and second waveguides each have a coupling portion that pass through the stress-field. First and second periodic-structures are in optical communication with the coupling portions of the first and second waveguides.
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