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40 Gb/s quantum random number generation based on optically sampled amplified spontaneous emission

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Dangosydd eitem ddigidol (DOI)

  • Ya Guo
    Northwestern Polytechnical University, Xi’an
  • Qiang Cai
    Taiyuan University of Technology
  • Pu Li
    Taiyuan University of Technology
  • Zhiwei Jia
    Taiyuan University of Technology
  • Bingjie Xu
    Institute of Southwestern Communication
  • Qianwu Zhang
    Shanghai University
  • Yamei Zhang
    Nanjing University of Aeronautics and Astronautics
  • Ruonan Zhang
    Northwestern Polytechnical University, Xi’an
  • Zhensen Gao
    Guangdong University of Technology
  • K. Alan Shore
    Ysgol Cyfrifiadureg a Pheirianneg
  • Yuncai Wang
    Guangdong University of Technology
We present a photonic approach for fast quantum random number generation based on optically sampled amplified spontaneous emission (ASE). This approach utilizes a terahertz optical asymmetric demultiplexer to sample the ASE and then digitize the sampled optical pulses into random bits using a multi-bit parallel comparator. A proof-of-concept experiment demonstrates that 40 Gb/s random bits with verified randomness can be obtained using our method. The current generation rate is mainly limited by the bandwidth of the available ASE source.
Iaith wreiddiolSaesneg
Tudalennau (o-i)066105
Nifer y tudalennau1
CyfnodolynAPL Photonics
Cyfrol6
Rhif y cyfnodolyn6
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 1 Meh 2021

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