Scalable parallel ultrafast optical random bit generation based on a single chaotic microcomb

Pu Li; Qizhi Li; Wenye Tang; Weiqiang Wang; Wenfu Zhang; Brent E. Little; Sai Tek Chu; K. Alan Shore; Yuwen Qin; Yuncai Wang

doi:10.1038/s41377-024-01411-7

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Scalable parallel ultrafast optical random bit generation based on a single chaotic microcomb

Original Articles

- Scalable parallel ultrafast optical random bit generation based on a single chaotic microcomb
- Light: Science & Applications Vol. 13, Issue 4, Pages: 637-644(2024)
- Affiliations：
  
  1.Institute of Advanced Photonics Technology, School of Information Engineering, Guangdong University of Technology, Guangzhou 51006, China
  2.Key Laboratory of Photonic Technology for Integrated Sensing and Communication, Ministry of Education of China, Guangdong University of Technology, Guangzhou 51006, China
  3.Guangdong Provincial Key Laboratory of Information Photonics Technology, Guangdong University of Technology, Guangzhou 51006, China
  4.Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China
  5.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China
  6.Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, China
  7.School of Electronic Engineering, Bangor University, Bangor, Wales LL57 1UT, UK
- Author bio：
  
  Yuncai Wang (wangyc@gdut.edu.cn)
- Funds：
- DOI：10.1038/s41377-024-01411-7
  CLC：
- Received：14 September 2023，
  
  Revised：05 February 2024，
  
  Accepted：2024-02-17，
  
  Published Online：05 March 2024，
  
  Published：30 April 2024
- Accepted：
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Li, P. et al. Scalable parallel ultrafast optical random bit generation based on a single chaotic microcomb. Light: Science & Applications, 13, 637-644 (2024).
DOI：

Li, P. et al. Scalable parallel ultrafast optical random bit generation based on a single chaotic microcomb. Light: Science & Applications, 13, 637-644 (2024). DOI： 10.1038/s41377-024-01411-7.

摘要

Abstract

Random bit generators are critical for information security

cryptography

stochastic modeling

and simulations. Speed and scalability are key challenges faced by current physical random bit generation. Herein

we propose a massively parallel scheme for ultrafast random bit generation towards rates of order 100 terabit per second based on a single micro-ring resonator. A modulation-instability-driven chaotic comb in a micro-ring resonator enables the simultaneous generation of hundreds of independent and unbiased random bit streams. A proof-of-concept experiment demonstrates that using our method

random bit streams beyond 2 terabit per second can be successfully generated with only 7 comb lines. This bit rate can be easily enhanced by further increasing the number of comb lines used. Our approach provides a chip-scale solution to random bit generation for secure communication and high-performance computation

and offers superhigh speed and large scalability.

关键词

Keywords

references

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