Massive and parallel 10 Tbit/s physical random bit generation with chaotic microcomb.

IF 4.1 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Frontiers of Optoelectronics Pub Date : 2023-09-22 DOI:10.1007/s12200-023-00081-4
Yuqi Hu, Qingsong Bai, Xi Tang, Wei Xiong, Yilu Wu, Xin Zhang, Yanlan Xiao, Runchang Du, Leiji Liu, Guangqiong Xia, Zhengmao Wu, Junbo Yang, Heng Zhou, Jiagui Wu
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Abstract

Ultrafast physical random bit (PRB) generators and integrated schemes have proven to be valuable in a broad range of scientific and technological applications. In this study, we experimentally demonstrated a PRB scheme with a chaotic microcomb using a chip-scale integrated resonator. A microcomb contained hundreds of chaotic channels, and each comb tooth functioned as an entropy source for the PRB. First, a 12 Gbits/s PRB signal was obtained for each tooth channel with proper post-processing and passed the NIST Special Publication 800-22 statistical tests. The chaotic microcomb covered a wavelength range from 1430 to 1675 nm with a free spectral range (FSR) of 100 GHz. Consequently, the combined random bit sequence could achieve an ultra-high rate of about 4 Tbits/s (12 Gbits/s × 294 = 3.528 Tbits/s), with 294 teeth in the experimental microcomb. Additionally, denser microcombs were experimentally realized using an integrated resonator with 33.6 GHz FSR. A total of 805 chaotic comb teeth were observed and covered the wavelength range from 1430 to 1670 nm. In each tooth channel, 12 Gbits/s random sequences was generated, which passed the NIST test. Consequently, the total rate of the PRB was approximately 10 Tbits/s (12 Gbits/s × 805 = 9.66 Tbits/s). These results could offer potential chip solutions of Pbits/s PRB with the features of low cost and a high degree of parallelism.

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大规模并行的10Tbit/s物理随机比特生成与混沌微梳。
超快物理随机比特(PRB)发生器和集成方案已被证明在广泛的科学和技术应用中具有价值。在这项研究中,我们使用芯片级集成谐振器,通过实验证明了一种具有混沌微梳的PRB方案。一个微梳包含数百个混沌通道,每个梳齿都充当PRB的熵源。首先,通过适当的后处理获得每个齿通道的12Gbits/s PRB信号,并通过NIST特别出版物800-22的统计测试。混沌微梳的波长范围从1430到1675 nm,自由光谱范围(FSR)为100 GHz。因此,组合的随机比特序列可以实现约4Tbits/s(12Gbits/s)的超高速率 × 294 = 3.528Tbits/s),在实验微梳中具有294个齿。此外,使用具有33.6 GHz FSR的集成谐振器,通过实验实现了密度更大的微腔。共观察到805个混沌梳齿,其波长范围为1430至1670nm。在每个齿通道中,生成了12Gbits/s的随机序列,这些序列通过了NIST测试。因此,PRB的总速率约为10 Tbits/s(12 Gbits/s × 805 = 9.66 Tbits/s)。这些结果可以提供具有低成本和高度并行性的潜在Pbits/s PRB芯片解决方案。
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来源期刊
Frontiers of Optoelectronics
Frontiers of Optoelectronics ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
7.80
自引率
0.00%
发文量
583
期刊介绍: Frontiers of Optoelectronics seeks to provide a multidisciplinary forum for a broad mix of peer-reviewed academic papers in order to promote rapid communication and exchange between researchers in China and abroad. It introduces and reflects significant achievements being made in the field of photonics or optoelectronics. The topics include, but are not limited to, semiconductor optoelectronics, nano-photonics, information photonics, energy photonics, ultrafast photonics, biomedical photonics, nonlinear photonics, fiber optics, laser and terahertz technology and intelligent photonics. The journal publishes reviews, research articles, letters, comments, special issues and so on. Frontiers of Optoelectronics especially encourages papers from new emerging and multidisciplinary areas, papers reflecting the international trends of research and development, and on special topics reporting progress made in the field of optoelectronics. All published papers will reflect the original thoughts of researchers and practitioners on basic theories, design and new technology in optoelectronics. Frontiers of Optoelectronics is strictly peer-reviewed and only accepts original submissions in English. It is a fully OA journal and the APCs are covered by Higher Education Press and Huazhong University of Science and Technology. ● Presents the latest developments in optoelectronics and optics ● Emphasizes the latest developments of new optoelectronic materials, devices, systems and applications ● Covers industrial photonics, information photonics, biomedical photonics, energy photonics, laser and terahertz technology, and more
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