Optical waveguide router with controlled transmission characteristics
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United States of America Patent
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Jul 6, 1999
Grant Date -
N/A
app pub date -
Dec 24, 1997
filing date -
Dec 24, 1997
priority date (Note) -
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Abstract
An optical waveguide router is provided with a control arrangement that is bonded to the silicon wafer of the router to deform the arms of the grating of the router to change their optical lengths in the same proportion with little strain in the direction normal to that of the waveguide arms to minimize birefringence effects.
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