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一种使用随机拉曼光纤激光器且后处理最少的简单高速随机数发生器。

A simple high-speed random number generator with minimal post-processing using a random Raman fiber laser.

作者信息

Monet Frédéric, Boisvert Jean-Sébastien, Kashyap Raman

机构信息

Fabulas Laboratory, Engineering Physics Department, Polytechnique Montreal, 2900 Blvd Edouard-Montpetit, Montreal, H3T 1J4, Canada.

Electrical Engineering Department, Poly-Grames, Polytechnique Montreal, 2900 Blvd Edouard-Montpetit, Montreal, H3T 1J4, Canada.

出版信息

Sci Rep. 2021 Jun 23;11(1):13182. doi: 10.1038/s41598-021-92668-0.

DOI:10.1038/s41598-021-92668-0
PMID:34162986
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8222319/
Abstract

A simple novel method for random number generation is presented, based on a random Raman fiber laser. This laser is built in a half-open cavity scheme, closed on one side by a narrow-linewidth 100 mm fiber Bragg grating. The interaction between the randomly excited lasing modes of this laser, in addition to nonlinear effects such as modulation instability, allow the generation of random bits at rates of up to 540 Gbps with minimal post processing. Evaluation of the resulting bit streams' randomness by the NIST statistical test suite highlights the importance of evaluating the physical entropy content, as bit sequences generated by this random laser pass all the statistical tests with a significance level of 0.01, despite being generated at more than twice the theoretical entropy generation speed.

摘要

提出了一种基于随机拉曼光纤激光器的简单新颖的随机数生成方法。该激光器采用半开放腔结构，一侧由窄线宽100毫米光纤布拉格光栅封闭。除了调制不稳定性等非线性效应外，该激光器随机激发的激光模式之间的相互作用允许以高达540 Gbps的速率生成随机比特，且后处理最少。通过美国国家标准与技术研究院（NIST）统计测试套件对所得比特流的随机性进行评估，突出了评估物理熵含量的重要性，因为由这种随机激光器生成的比特序列在显著性水平为0.01时通过了所有统计测试，尽管其生成速度超过理论熵生成速度的两倍。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/437a0caab508/41598_2021_92668_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/b4e69c8bda23/41598_2021_92668_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/5e92c3042129/41598_2021_92668_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/e5005cf0ead9/41598_2021_92668_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/c9d2791ea473/41598_2021_92668_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/0e873300b93f/41598_2021_92668_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/89248dbde1db/41598_2021_92668_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/437a0caab508/41598_2021_92668_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/b4e69c8bda23/41598_2021_92668_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/5e92c3042129/41598_2021_92668_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/e5005cf0ead9/41598_2021_92668_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/c9d2791ea473/41598_2021_92668_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/0e873300b93f/41598_2021_92668_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/89248dbde1db/41598_2021_92668_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de18/8222319/437a0caab508/41598_2021_92668_Fig7_HTML.jpg

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