Optical communications – Diagnostic testing – Determination of communication parameter
Reexamination Certificate
2007-12-03
2011-12-06
Leung, Danny (Department: 2613)
Optical communications
Diagnostic testing
Determination of communication parameter
C398S065000, C398S152000, C398S195000, C398S184000
Reexamination Certificate
active
08073326
ABSTRACT:
Devices, systems and techniques for optical communication are provided based on polarization division multiplexing (PDM) to use an optical monitor channel at a distinct optical monitor wavelength to monitor optical polarization fluctuation and polarization mode dispersion during the transmission from the transmitter to the receiver to facilitate the effective demultiplexing of the two orthogonal signal channels at the receiver through automatic feedback control on a dynamic polarization controller and a polarization beam splitter.
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Yan Lianshan
Yao Xiaotian Steve
General Photonics Corporation
Leung Danny
Perkins Coie LLP
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