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高速量子随机数产生中的实时并行后处理
Authors
吴明川
张江江
+3 more
成琛
郭晓敏
郭龑强
Publication date
1 January 2020
Publisher
《光通信研究》编辑部
Doi
Cite
Abstract
针对目前串行量子随机数发生器方案中,量子模式提取的信号带宽与数据处理速率之间的权衡在实时产生速率方面造成了瓶颈,文章利用现场可编程门阵列(FPGA)对多个量子边带模式的并行托普利茨(Toeplitz)哈希实时后处理,研究分析了不同规模Toeplitz矩阵的逻辑资源占用,设计了两层并行流水线算法并进行了仿真验证,充分利用FPGA的并行处理优势和硬件资源,最终实现了实时速率8.24 Gbit/s的量子随机数安全后处理。仿真结果表明,量子随机数发生器的熵源具有较好的随机性,经后处理后的随机数自相关系数保持在10-4量级且能通过Diehard测试。通过与集成电路匹配并行提取多个量子边带模式,实现了一种可商业化的高鲁棒性、高速实时量子随机数发生器
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Last time updated on 26/01/2023