Optical waveguides – Polarization without modulation
Reexamination Certificate
2006-02-07
2006-02-07
Bovernick, Rodney (Department: 2874)
Optical waveguides
Polarization without modulation
C385S027000, C385S050000
Reexamination Certificate
active
06996298
ABSTRACT:
An all-fiber broadband polarization combiner is disclosed based on a Mach-Zehnder (MZ) structure. The entry coupler to the MZ is a polarization pump combiner (PPC) and the exit coupler is a wavelength division multiplexer (WDM) coupler. The two couplers are interconnected with two standard SM fibers which form the arms of the central zone of the MZ. Two polarization maintaining (PM) fibers are spliced to the two input arms of the PPC and are oriented so that polarization X in one PM fiber is orthogonal to polarization Y in the other PM fiber. And the MZ is induced with a phase shift Δφ of π between the two arms of the central zone.
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U.S. Appl. No. 10/397,672.
Bovernick Rodney
ITF Optical Technologies Inc.
ITF Technologies Optiques INC
Primak George J.
Rojas Omar
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