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

2014/12/15 by Yuan Zuo, Ke Li, Zuo, Yuan +3
Computer Science · Engineering · Mathematics · Physics and Astronomy · #Algorithm #Bit error rate #Computer science #Direct-conversion receiver #Displacement (psychology) #Electronic engineering #Engineering #FOS: Physical sciences #Homodyne detection #Limit (mathematics) #Mathematics #Optical Network Technologies #Physics #QAM #Quadrature amplitude modulation #Quantum #Quantum Information and Cryptography #Quantum Physics (quant-ph) #Quantum limit #Quantum mechanics #Quantum optics and atomic interactions #quant-ph

paper · pdf · doi:10.48550/arxiv.1412.4486

published in arXiv (Cornell University) (Cornell University) · 2 pages, 3 figures, CLEO2015

arxiv created 2014/12/15 · openalex publication_date 2014/12/15 · arxiv updated 2014/12/16 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06

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.

Citations

• Quadrature phase shift keying coherent state discrimination via a hybrid receiver
• Quantum detection and estimation theory

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