Suppressing the Errors Due to Mode Mismatch for $M$ -Ary PSK Quantum Receivers Using Photon-Number-Resolving Detector
2013
An M-ary phase shift keying quantum receiver with photon-number-resolving detectors considering the mode mismatch between the signal and local oscillating fields is analyzed. Compared with the quantum receiver using ON-OFF detectors, the errors due to mode mismatch can be suppressed effectively using photon-number-resolving detectors, especially for larger signal mean photon numbers.
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