Optical waveguides – Polarization without modulation
Reexamination Certificate
2008-04-08
2008-04-08
Kianni, K. Cyrus (Department: 2883)
Optical waveguides
Polarization without modulation
C385S040000
Reexamination Certificate
active
11329342
ABSTRACT:
A method for separating the orthogonal polarization components of an incident optical signal into two spatially separated output ports is described. The method comprises a Mach-Zehnder interferometer where one of the two branches has a section of waveguide that exhibits form-birefringence. This integrated optic Polarization Beam Splitter (PBS) is broadband, has high extinction ratio, and has characteristics that are tunable.
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Dunlap Codding & Rogers P.C.
Infinera Corporation
Kianni K. Cyrus
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