All-optical Physical Random Number Generation based on VCSEL Mode Hopping

ZHAO Jia-min; LI Pu; JIA Zhi-wei; ZHANG Jian-guo; XU Bing-jie; WANG Yun-cai

doi:10.13756/j.gtxyj.2020.06.011

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All-optical Physical Random Number Generation based on VCSEL Mode Hopping

- All-optical Physical Random Number Generation based on VCSEL Mode Hopping
- Study on Optical communication Issue 6, Pages: 40-44(2020)
- 作者机构：
  
  1. 太原理工大学新型传感器与智能控制教育部重点实验室
  2. 上海大学特种光纤与光接入网重点实验室
  3. 保密通信重点实验室
  4. 广东工业大学信息工程学院
  5. 广东省光子学信息技术重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2020.06.011
  CLC： TN929.1;TN248
- Published：2020，
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[1]赵嘉敏,李璞,贾志伟,张建国,徐兵杰,王云才.基于VCSEL模式跳变产生全光物理随机数[J].光通信研究,2020(06):40-44.

ZHAO Jia-min, LI Pu, JIA Zhi-wei, et al. All-optical Physical Random Number Generation based on VCSEL Mode Hopping. [J]. (6):40-44(2020)
[1]赵嘉敏,李璞,贾志伟,张建国,徐兵杰,王云才.基于VCSEL模式跳变产生全光物理随机数[J].光通信研究,2020(06):40-44. DOI： 10.13756/j.gtxyj.2020.06.011.

ZHAO Jia-min, LI Pu, JIA Zhi-wei, et al. All-optical Physical Random Number Generation based on VCSEL Mode Hopping. [J]. (6):40-44(2020) DOI： 10.13756/j.gtxyj.2020.06.011.

摘要

针对当前大多数随机数产生方案结构复杂和体积庞大的问题

文章从理论上提出并仿真论证了一种基于垂直腔面发射激光器（VCSEL）模式跳变直接产生全光物理随机数的技术方案。通过方波调制信号周期性重启工作在双稳区域的VCSEL

并利用自发辐射噪声平衡两个偏振模式出射的不对称

可以直接实现随机数的产生。仿真结果表明

该方法可以直接产生速率为2.5 Gbit/s且随机性得到验证的物理随机数。该方案主要包含一个VCSEL

结构简单

为随机数发生器的光子集成问题提供了新的解决方案。

Abstract

In view of the complexity and bulkiness of most current random number generation schemes

we theoretically propose and demonstrate an all-optical physical random number generation method based on Vertical-Cavity Surface-Emitting Laser（VCSEL） mode hopping. Through periodically restarting a VCSEL operating in a bistable regime with a square-wave modulation signal

and balancing the asymmetry between two polarization modes utilizing spontaneous emission noise

a random number stream can be directly generated. Numerical results show that 2.5 Gbit/s physical random numbers can be obtained with verified randomness. This scheme can be simply implemented by only a solitary VCSEL and provide a new solution for photonic integrated random number generator.

关键词

光通信全光物理随机数模式跳变垂直腔面发射激光器

Keywords

optical communicationsall-optical physical random numbermode hoppingVCSEL

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