Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jun-ichi Hashimoto0
Date of Patent
August 3, 2010
0Patent Application Number
117171460
Date Filed
March 13, 2007
0Patent Primary Examiner
Patent abstract
A semiconductor optical device includes a GaAs substrate having a surface with periodic projections and recesses for a diffraction grating; a III-V compound semiconductor layer provided on the surface of the GaAs substrate; and an active layer which is made of III-V compound semiconductor containing nitrogen and arsenic as constituent elements, the active layer being provided on the III-V compound semiconductor layer.
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