Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yakihara Tsuyoshi0
Nakajima Shinichi0
Suehiro Masayuki0
Wada Morio0
Araki Shoujirou0
Asano Yoshiyuki0
Dobashi Machio0
Iio Shinji0
...
Date of Patent
April 3, 2007
0Patent Application Number
111444870
Date Filed
June 2, 2005
0Patent Primary Examiner
Patent abstract
An optical switch has an optical waveguide whose output path of an optical signal branches into two, a carrier injection section which is provided to a branch portion of the optical waveguide and to which carriers are injected, and a refractive index change section which is provided to a optical waveguide layer of the optical waveguide and in which a refractive index changes in a case that carrier are injected to the carrier injection section, wherein the refractive index change section has a quantum dot or a quantum wire.
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