Quantum randomness introduced through squeezing operations and random number generation

Quantum randomness introduced through squeezing operations and random number generation

Quantum random numbers play a crucial role in diverse applications, including cryptography, simulation, and artificial intelligence. In contrast to predictable algorithm-based pseudo-random numbers, quantum physics provides new avenues for generating theoretically true random numbers by exploiting t...

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Veröffentlicht in:Optics express 2024-05, Vol.32 (10), p.18237-18246
Hauptverfasser: Cheng, Jialin, Liang, Shaocong, Qin, Jiliang, Li, Jiatong, Zeng, Baiyun, Shi, Yi, Yan, Zhihui, Jia, Xiaojun
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container_end_page 18246
container_issue 10
container_start_page 18237
container_title Optics express
container_volume 32
creator Cheng, Jialin
Liang, Shaocong
Qin, Jiliang
Li, Jiatong
Zeng, Baiyun
Shi, Yi
Yan, Zhihui
Jia, Xiaojun
description Quantum random numbers play a crucial role in diverse applications, including cryptography, simulation, and artificial intelligence. In contrast to predictable algorithm-based pseudo-random numbers, quantum physics provides new avenues for generating theoretically true random numbers by exploiting the inherent uncertainty contained in quantum phenomena. Here, we propose and demonstrate a quantum random number generator (QRNG) using a prepared broadband squeezed state of light, where the randomness of the generated numbers entirely originates from the quantum noise introduced by squeezing operation rather than vacuum noise. The relationship between entropy rate and squeezing level is analyzed. Furthermore, we employ a source-independent quantum random number protocol to enhance the security of the random number generator.
doi_str_mv 10.1364/OE.520041
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