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

Ya Guo; Qiang Cai; Pu Li; Zhiwei Jia; Bingjie Xu; Qianwu Zhang; Yamei Zhang; Ruonan Zhang; Zhensen Gao; K. Alan Shore; Yuncai Wang

doi:10.1063/5.0040250

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

Ya Guo, Qiang Cai, Pu Li, Zhiwei Jia, Bingjie Xu, Qianwu Zhang, Yamei Zhang, Ruonan Zhang, Zhensen Gao, K. Alan Shore, Yuncai Wang

School of Electronics and Information

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

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.

Original language	English
Article number	066105
Journal	APL Photonics
Volume	6
Issue number	6
DOIs	https://doi.org/10.1063/5.0040250
State	Published - 1 Jun 2021

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10.1063/5.0040250

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abstract = "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.",

author = "Ya Guo and Qiang Cai and Pu Li and Zhiwei Jia and Bingjie Xu and Qianwu Zhang and Yamei Zhang and Ruonan Zhang and Zhensen Gao and Shore, {K. Alan} and Yuncai Wang",

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AU - Guo, Ya

AU - Cai, Qiang

AU - Li, Pu

AU - Jia, Zhiwei

AU - Xu, Bingjie

AU - Zhang, Qianwu

AU - Zhang, Yamei

AU - Zhang, Ruonan

AU - Gao, Zhensen

AU - Shore, K. Alan

AU - Wang, Yuncai

PY - 2021/6/1

Y1 - 2021/6/1

N2 - 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.

AB - 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.

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U2 - 10.1063/5.0040250

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VL - 6

JO - APL Photonics

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ER -

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

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