Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 8, 2008
Patent Application Number
11285280
Date Filed
November 23, 2005
Patent Primary Examiner
Patent abstract
A waveguide including transmission areas which transmit an input optical signal. A coupling area is provided between the transmission areas and has a width narrower than a width of the transmission areas so that at least part of the optical signal transmitted through the transmission areas is branched to a neighboring optical member.
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