Decoy-state theory for the heralded single-photon source with intensity fluctuations

Shuang Wang; Sheng Li Zhang; Hong Wei Li; Zhen Qiang Yin; Yi Bo Zhao; Wei Chen; Zheng Fu Han; Guang Can Guo

doi:10.1103/PhysRevA.79.062309

Decoy-state theory for the heralded single-photon source with intensity fluctuations

Shuang Wang
, Sheng Li Zhang
, Hong Wei Li
, Zhen Qiang Yin
, Yi Bo Zhao
, Wei Chen
, Zheng Fu Han^*
, Guang Can Guo

^*此作品的通讯作者

University of Science and Technology of China
Information Engineering University

科研成果: 期刊稿件 › 文章 › 同行评审

22 引用（Scopus）

摘要

The secure key rates of decoy-state quantum key distribution (QKD) using the heralded single-photon source (HSPS) are recalculated in the case of intensity fluctuations. By numerical simulations, we show that the HSPS is a good source for decoy-state QKD experiments not only because it has larger upper bound of transmission distance than the usual weak-coherent source (WCS) but also because it is more robust against intensity fluctuations than the WCS.

源语言	英语
文章编号	062309
期刊	Physical Review A - Atomic, Molecular, and Optical Physics
卷	79
期	6
DOI	https://doi.org/10.1103/PhysRevA.79.062309
出版状态	已出版 - 10 6月 2009
已对外发布	是

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abstract = "The secure key rates of decoy-state quantum key distribution (QKD) using the heralded single-photon source (HSPS) are recalculated in the case of intensity fluctuations. By numerical simulations, we show that the HSPS is a good source for decoy-state QKD experiments not only because it has larger upper bound of transmission distance than the usual weak-coherent source (WCS) but also because it is more robust against intensity fluctuations than the WCS.",

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AU - Wang, Shuang

AU - Zhang, Sheng Li

AU - Li, Hong Wei

AU - Yin, Zhen Qiang

AU - Zhao, Yi Bo

AU - Chen, Wei

AU - Han, Zheng Fu

AU - Guo, Guang Can

PY - 2009/6/10

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N2 - The secure key rates of decoy-state quantum key distribution (QKD) using the heralded single-photon source (HSPS) are recalculated in the case of intensity fluctuations. By numerical simulations, we show that the HSPS is a good source for decoy-state QKD experiments not only because it has larger upper bound of transmission distance than the usual weak-coherent source (WCS) but also because it is more robust against intensity fluctuations than the WCS.

AB - The secure key rates of decoy-state quantum key distribution (QKD) using the heralded single-photon source (HSPS) are recalculated in the case of intensity fluctuations. By numerical simulations, we show that the HSPS is a good source for decoy-state QKD experiments not only because it has larger upper bound of transmission distance than the usual weak-coherent source (WCS) but also because it is more robust against intensity fluctuations than the WCS.

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Decoy-state theory for the heralded single-photon source with intensity fluctuations

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