Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 13, 2007
Patent Application Number
10739068
Date Filed
December 19, 2003
Patent Primary Examiner
Patent abstract
A semiconductor optical integrated circuit includes: a semiconductor substrate; a light reflecting portion and a gain region, on the semiconductor substrate; a first optical waveguide connecting the reflecting portion and the gain region; and a second optical waveguide in conjunction with the first optical waveguide and having a larger optical absorptance than the first optical waveguide.
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