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METHOD AND APPARATUS FOR CARRIER PHASE ESTIMATION AND CORRECTION IN A COHERENT OPTICAL SYSTEM
METHOD AND APPARATUS FOR CARRIER PHASE ESTIMATION AND CORRECTION IN A COHERENT OPTICAL SYSTEM
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机译:相干光学系统中载波相位估计和校正的方法和装置
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摘要
An apparatus comprising a nonlinear lookup unit (NL-LUU) configured to add a phase shift to a signal sample to compensate for pattern dependent phase distortion, and one or more first phase adjustment units coupled to NL-LUU and configured to remove from the signal sample a nonlinear phase error from the NL-LUU, wherein the signal sample corresponds to a received signal polarization component of a polarization multiplexed (PM) coherent signal in a PM coherent optical system.
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