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quant-ph2013★ 61 cited
Quantum receivers with squeezing and photon-number-resolving detectors
Shuro Izumi, Masahiro Takeoka, Kazuhiro Ema +1
We propose quantum receivers with optical squeezing and photon-number-resolving detector (PNRD) for the near-optimal discrimination of quaternary phase-shift-keyed coherent state s…
quant-ph2012★ 79 cited
Displacement receiver for phase-shift-keyed coherent states
Shuro Izumi, Masahiro Takeoka, Mikio Fujiwara +4
Quantum receiver is an important tool for overcoming the standard quantum limit (SQL) of discrimination errors in optical communication. We theoretically study the quantum receiver…