Low-Noise Intensity Amplification of a Bright Entangled Beam

Yanbo Lou; Xiaoyin Xu; Shengshuai Liu; Jietai Jing

doi:10.1088/0256-307X/38/9/090301

Low-Noise Intensity Amplification of a Bright Entangled Beam

Yanbo Lou
, Xiaoyin Xu
, Shengshuai Liu^*
, Jietai Jing^*

^*此作品的通讯作者

精密光谱科学与技术高等研究院

East China Normal University
Chinese Academy of Sciences
Zhejiang University
Shanxi University

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

We experimentally demonstrate a low-noise phase-sensitive amplifier (PSA) scheme that is able to amplify bright entangled beams at a high level intensity gain of up to 4.4. Moreover, we demonstrate that the PSA scheme introduces much less uncorrelated extra noise to the entangled state than the phase-insensitive amplifier scheme with the same intensity gain. This PSA scheme has potential applications for quantum communication in continuous variable regimes.

源语言	英语
文章编号	090301
期刊	Chinese Physics Letters
卷	38
期	9
DOI	https://doi.org/10.1088/0256-307X/38/9/090301
出版状态	已出版 - 10月 2021

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10.1088/0256-307X/38/9/090301

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abstract = "We experimentally demonstrate a low-noise phase-sensitive amplifier (PSA) scheme that is able to amplify bright entangled beams at a high level intensity gain of up to 4.4. Moreover, we demonstrate that the PSA scheme introduces much less uncorrelated extra noise to the entangled state than the phase-insensitive amplifier scheme with the same intensity gain. This PSA scheme has potential applications for quantum communication in continuous variable regimes.",

author = "Yanbo Lou and Xiaoyin Xu and Shengshuai Liu and Jietai Jing",

note = "Publisher Copyright: {\textcopyright} 2021 Chinese Physical Society and IOP Publishing Ltd.",

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AU - Lou, Yanbo

AU - Xu, Xiaoyin

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PY - 2021/10

Y1 - 2021/10

N2 - We experimentally demonstrate a low-noise phase-sensitive amplifier (PSA) scheme that is able to amplify bright entangled beams at a high level intensity gain of up to 4.4. Moreover, we demonstrate that the PSA scheme introduces much less uncorrelated extra noise to the entangled state than the phase-insensitive amplifier scheme with the same intensity gain. This PSA scheme has potential applications for quantum communication in continuous variable regimes.

AB - We experimentally demonstrate a low-noise phase-sensitive amplifier (PSA) scheme that is able to amplify bright entangled beams at a high level intensity gain of up to 4.4. Moreover, we demonstrate that the PSA scheme introduces much less uncorrelated extra noise to the entangled state than the phase-insensitive amplifier scheme with the same intensity gain. This PSA scheme has potential applications for quantum communication in continuous variable regimes.

UR - https://www.scopus.com/pages/publications/85118301788

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DO - 10.1088/0256-307X/38/9/090301

M3 - 文章

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SN - 0256-307X

VL - 38

JO - Chinese Physics Letters

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Low-Noise Intensity Amplification of a Bright Entangled Beam

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