Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 19, 2008
Patent Application Number
10720816
Date Filed
November 24, 2003
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
Low loss, reliable variable optical attenuators and 1×2 switches and polarization insensitive low loss, reliable variable optical attenuators and 1×2 optical switches are described. In one embodiment, a system of the present invention includes a polarization separating sub-system a polarization recombining sub-system and one or more switchable volume diffraction gratings to provide polarization insensitive low loss, reliable variable optical attenuators and 1×2 optical switches.
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