Optical mach-zehnder interferometers with low polarization dependence
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United States of America Patent
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Issued Date -
Oct 31, 2002
app pub date -
Jan 30, 2002
filing date -
Mar 16, 2001
priority date (Note) -
Abandoned
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Abstract
This relates generally to optical waveguide-based devices including dynamically programmable optical attenuators. In particular, this provides an optical attenuator having a Mach Zehnder configuration with reduced polarization dependence. The devices herein facilitate the implementation of continuously-variable optical attenuators, optical shutters, and optical switches in an integrated photonic circuit.
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