IEEE Transactions on Information Theory · 1989 · 33 citations · 2 references
EngineeringElectrical EngineeringPhysicsOpticsPhotonicsQuantum MechanicsOptical Communication SystemsOptical DetectorsOptical ModulationQuantum CommunicationQuantum Information TheoryQuantum OpticsCoherent DetectionCoherent StatesDirect DetectionDirect-detection Optical CommunicationDirect-detection ReceiversOptical Channel ModelingOptical ReceiversQuantum Detection Theory
The cutoff rate R/sub 0/ of an optical channel transmitting M-ary phase-shift-keyed coherent states is calculated for a receiver using the optimum quantum detector. This is shown to be nearly equivalent, when M>>1, to a system that measures the phase of the received signal. A closed-form expression yielding a good approximation to R/sub 0/ is derived.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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