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Comparison of Two Modulation Formats at Spectral Efficiency of 5 Bits/Dual-Pol Symbol
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2013
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Unknown Venue
ModulationEngineeringLeaf FibersFiber OpticsAdaptive ModulationModulation TechniqueOptical CommunicationOptical NetworkingSpectral EfficiencyPhotonicsElectrical EngineeringLinewidth TolerancesMultiplexingAntennaModulation FormatsRadio Over FiberSignal ProcessingMulti-carrier CommunicationBits/dual-pol SymbolIntensity ModulationModulation Coding
Two modulation formats at spectral efficiency of 5 bits/dual-pol symbol are compared. Linewidth tolerances and feed-forward carrier recovery methods are discussed. Performances over uncompensated SMF and LEAF fibers are shown. The 4-D optimized format is found to be modestly better than a hybrid combination better th of PM-QPSK and PM-8QAM.