Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 29, 2009
Patent Application Number
12076939
Date Filed
March 25, 2008
Patent Primary Examiner
Patent abstract
The two-dimensional photonic crystal surface emitting laser according to the present invention includes a semiconductor substrate, a main laser section and a reflection film. The main laser section includes a lower cladding layer, an active layer, a two-dimensional photonic crystal layer, an upper cladding layer and a contact layer, which are all deposited on the semiconductor substrate. The reflection film, which surrounds the entire side surfaces of the main laser section, is made of a thin titanium-gold film deposited by sputtering.
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