Protecting single-photon entangled state from photon loss with noiseless linear amplification

Shengli Zhang; Song Yang; Xubo Zou; Baosen Shi; Guangcan Guo

doi:10.1103/PhysRevA.86.034302

Protecting single-photon entangled state from photon loss with noiseless linear amplification

Shengli Zhang^*
, Song Yang
, Xubo Zou
, Baosen Shi
, Guangcan Guo

^*此作品的通讯作者

Information Engineering University
University of Science and Technology of China

科研成果: 期刊稿件 › 文章 › 同行评审

43 引用（Scopus）

摘要

Single-photon entanglement provides a valuable resource for quantum communication and quantum repeaters. However, single-photon entanglement is sensitive to photon loss. In this Brief Report, we show that a noiseless linear amplifier is an efficient tool for protecting single-photon entanglement. The performance of ideal noiseless linear amplification as well as the nonideal amplification with on-off detectors and heralded single photons are also investigated.

源语言	英语
文章编号	034302
期刊	Physical Review A - Atomic, Molecular, and Optical Physics
卷	86
期	3
DOI	https://doi.org/10.1103/PhysRevA.86.034302
出版状态	已出版 - 4 9月 2012
已对外发布	是

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Protecting single-photon entangled state from photon loss with noiseless linear amplification

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