Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 4, 2008
Patent Application Number
11627070
Date Filed
January 25, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A coupling waveguide is interconnected between a launching fiber and a receiving fiber to reduce coupling loss. The coupling waveguide includes an integrally formed graded index lens having a non-parabolic refractive index profile. The graded index lens receives as an input a coupling mode field of an optical signal launched by the launching fiber and transforms the coupling mode field into a transverse spatial distribution matching a corresponding coupling mode field of the receiving fiber.
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