Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Fumio Futami0
Shigeki Watanabe0
Ryou Okabe0
Date of Patent
May 31, 2011
0Patent Application Number
119875760
Date Filed
November 30, 2007
0Patent Primary Examiner
Patent abstract
According to an aspect of embodiment, an optical switch comprises a signal light input unit, a control light input unit, a first polarization controller, a second polarization controller, a coupler, a nonlinear medium, a monitor and a controller.
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