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Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomoyuki Oki0
Takahiro Arakida0
Yuji Masui0
Yoshinori Yamauchi0
Norihiko Yamaguchi0
Rintaro Koda0
Date of Patent
January 18, 2011
0Patent Application Number
119804590
Date Filed
October 31, 2007
0Patent Primary Examiner
Patent abstract
The present invention provides a laser diode realizing improved light detection precision. The laser diode includes a stack structure in which a first semiconductor layer of a first conduction type, an active layer, and a second semiconductor layer of a second conduction type are included in this order; a photodetection layer; and a plurality of light absorption layers provided on the corresponding position of antinodes or nodes of standing waves of light output from the active layer.
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