16-QAM Quantum Receiver with Hybrid Structure Outperforming the Standard Quantum Limit

Published 15 Dec 2014 in quant-ph | (1412.4486v1)

Abstract: We present a quantum receiver for 16-QAM signals discrimination with hybrid structure containing a homodyne receiver and a displacement receiver, which can outperform the SQL, and the performance can be improved by an optimized displacement.

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