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基于光子间隙随机分布的真随机数源*

汪龙 马海强† 李申 韦克金

物理学报Issue(10):22-26,5.
物理学报Issue(10):22-26,5.DOI:10.7498/aps.62.100303

基于光子间隙随机分布的真随机数源*

High-speed truly random number generator based on the random time distribution of single photons∗

汪龙 1马海强† 1李申 2韦克金1

作者信息

  • 1. 北京邮电大学理学院,北京 100876
  • 2. 中国科学院空间科学与应用研究中心,北京 100190
  • 折叠

摘要

Abstract

In this paper, we present a high-speed physical quantum random number generator using analog/digital converter (ADC), which is based on the random time distribution of single photons emitted by the stongly attenuated pulsed laser diode. With this scheme, the generation rate of random numbers can increase more than tenfold. A preliminary experiment consists of the time amplitude converter and 16 bit ADC, and the data generated by the system pass the pseudo-random number test program test standards. The experimental setup is efficient and robust against mechanical and temperature disturbances.

关键词

衰减式单光子源/模数转换/延时符合/随机数检测

Key words

attenuate single photon source/analog-to-digital conversion/delay coincidence/number test program

引用本文复制引用

汪龙,马海强†,李申,韦克金..基于光子间隙随机分布的真随机数源*[J].物理学报,2013,(10):22-26,5.

基金项目

国家自然科学基金(批准号:10865003)资助的课题.@@@@Project supported by the National Natural Science Foundation of China (Grant No.10865003) (批准号:10865003)

物理学报

OA北大核心CSCDCSTPCD

1000-3290

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