A random number generator based on quantum entangled photon pairs

Hai Qiang Ma; Su Mei Wang; Da Zhang; Jun Tao Chang; Ling Ling Ji; Yan Xue Hou; Ling An Wu

doi:10.1088/0256-307X/21/10/027

A random number generator based on quantum entangled photon pairs

Hai Qiang Ma^*
, Su Mei Wang
, Da Zhang
, Jun Tao Chang
, Ling Ling Ji
, Yan Xue Hou
, Ling An Wu

^*此作品的通讯作者

CAS - Institute of Physics
Shandong Normal University

科研成果: 期刊稿件 › 文章 › 同行评审

46 引用（Scopus）

摘要

A new scheme for a random number generator based on quantum entangled photon pairs is demonstrated. Signal photons produced by optical parametric down-conversion are detected at two single-photon detectors after transmission or reflection at a 50/50% beamsplitter, to form a truly random binary sequence. Their arrival is signalled by their twin idler photons, so that a cw laser source may be used instead of attenuated laser pulses. Coincidence measurement is employed to obtain the bit sequences, which are shown to fully satisfy the standard tests for randomness.

源语言	英语
页（从-至）	1961-1964
页数	4
期刊	Chinese Physics Letters
卷	21
期	10
DOI	https://doi.org/10.1088/0256-307X/21/10/027
出版状态	已出版 - 10月 2004
已对外发布	是

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abstract = "A new scheme for a random number generator based on quantum entangled photon pairs is demonstrated. Signal photons produced by optical parametric down-conversion are detected at two single-photon detectors after transmission or reflection at a 50/50\% beamsplitter, to form a truly random binary sequence. Their arrival is signalled by their twin idler photons, so that a cw laser source may be used instead of attenuated laser pulses. Coincidence measurement is employed to obtain the bit sequences, which are shown to fully satisfy the standard tests for randomness.",

author = "Ma, \{Hai Qiang\} and Wang, \{Su Mei\} and Da Zhang and Chang, \{Jun Tao\} and Ji, \{Ling Ling\} and Hou, \{Yan Xue\} and Wu, \{Ling An\}",

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AU - Ma, Hai Qiang

AU - Wang, Su Mei

AU - Zhang, Da

AU - Chang, Jun Tao

AU - Ji, Ling Ling

AU - Hou, Yan Xue

AU - Wu, Ling An

PY - 2004/10

Y1 - 2004/10

N2 - A new scheme for a random number generator based on quantum entangled photon pairs is demonstrated. Signal photons produced by optical parametric down-conversion are detected at two single-photon detectors after transmission or reflection at a 50/50% beamsplitter, to form a truly random binary sequence. Their arrival is signalled by their twin idler photons, so that a cw laser source may be used instead of attenuated laser pulses. Coincidence measurement is employed to obtain the bit sequences, which are shown to fully satisfy the standard tests for randomness.

AB - A new scheme for a random number generator based on quantum entangled photon pairs is demonstrated. Signal photons produced by optical parametric down-conversion are detected at two single-photon detectors after transmission or reflection at a 50/50% beamsplitter, to form a truly random binary sequence. Their arrival is signalled by their twin idler photons, so that a cw laser source may be used instead of attenuated laser pulses. Coincidence measurement is employed to obtain the bit sequences, which are shown to fully satisfy the standard tests for randomness.

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SP - 1961

EP - 1964

JO - Chinese Physics Letters

JF - Chinese Physics Letters

IS - 10

ER -

A random number generator based on quantum entangled photon pairs

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