Optical filter or multiplexer/demultiplexer
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United States of America Patent
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Jan 20, 2015
Grant Date -
Apr 25, 2013
app pub date -
Mar 18, 2011
filing date -
Mar 31, 2010
priority date (Note) -
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Abstract
An optical filter or multiplexer/demultiplexer, including a plurality of optical waveguides forming a planar structure. Each optical waveguide has a total length including one or more first segments with a first width and at least one or more second segments with a second width, the first width being larger than the second width. The sum of lengths of the one or more first segments in each optical waveguide is larger than half the total length of the waveguide.
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