Practical quantum-enhanced receivers for classical communication.

Practical quantum-enhanced receivers for classical communication.
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DOI:
10.1116/5.0036959
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发表时间:
2021
期刊:
AVS QUANTUM SCIENCE
影响因子:
--
通讯作者:
Polyakov, S. V.
Polyakov, S. V.
中科院分区:
其他
文献类型:
--
作者:
Burenkov, I. A.;Jabir, M. V.;Polyakov, S. V.

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沟通是人类生活的一个组成部分。今天,光脉冲是长距离通信的首选信息载体。数据的指数级增长导致底层物理系统的“容量紧缩”。阻止通信物理资源指数增长的可能方法之一是在接收器处使用量子而不是经典测量。量子测量通过使得能够以低于散粒噪声极限的鉴别误差率来鉴别光学相干态来提高光通信协议的能量效率。在这篇综述文章中,作者重点介绍了在当前技术水平下可以实际实现的量子接收器,首先是基于位移的接收器。作者提出了量子增强接收器的进展的实验主义观点,并讨论了它们的潜力。
Communication is an integral part of human life. Today, optical pulses are the preferred information carriers for long-distance communication. The exponential growth in data leads to a “capacity crunch” in the underlying physical systems. One of the possible methods to deter the exponential growth of physical resources for communication is to use quantum, rather than classical measurement at the receiver. Quantum measurement improves the energy efficiency of optical communication protocols by enabling discrimination of optical coherent states with the discrimination error rate below the shot-noise limit. In this review article, the authors focus on quantum receivers that can be practically implemented at the current state of technology, first and foremost displacement-based receivers. The authors present the experimentalist view on the progress in quantum-enhanced receivers and discuss their potential.
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