Variable optical attenuator using waveguide modification
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United States of America Patent
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Issued Date -
Sep 26, 2002
app pub date -
Mar 22, 2002
filing date -
Mar 23, 2001
priority date (Note) -
Abandoned
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Abstract
A variable optical attenuator is disclosed having a waveguide modification. Light coupling from an input waveguide to an output waveguide is electrically controllable through an electrically variable refractive index region, wherein attenuation of the device is dependent upon the applied voltage to the electrically variable refractive index region.
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