Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 8, 2011
Patent Application Number
12219997
Date Filed
July 31, 2008
Patent Primary Examiner
Patent abstract
A surface emitting laser is provided with an upper reflecting mirror having a photonic crystal structure with a point defect at the center, and emits a laser beam from the side of a lower reflecting mirror. An upper electrode is formed on the point defect at the center, and element resistance is reduced. A material transparent to a wavelength of the laser beam is used for a substrate. The emission efficiency is improved by reducing the element resistance of the photonic crystal surface emitting laser.
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