Adjustable fiber optical filters
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United States of America Patent
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Jun 28, 2005
Grant Date -
N/A
app pub date -
Oct 9, 2002
filing date -
Oct 11, 2001
priority date (Note) -
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status (Latency Note)
Importance
Abstract
Adjustable filters formed in fibers or waveguides based on evanescent coupling, where a coupling layer is formed between a waveguide overlay and a side-polished coupling port on the fiber or waveguide. A control mechanism may be provided to adjust a property of at least one of the waveguide overlay and the coupling layer to adjust the output of the filter.
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