有效的FPGA实施基于极性代码的信息协调,用于量子密钥分配
Lianye Liao1,2, Xinyi Wu1,2, Ye Chen1,2
1School of Electronics and Communication Engineering, Sun Yat-sen University, Shenzhen, Guangdong, 518107, P.R. China.
Scientific reports
|October 16, 2025
概括
我们开发了一个硬件加速器用于量子密钥分布 (QKD) 信息和解 (IR) 使用FPGA上的极性代码. 这种具有成本效益的解决方案显著提高了QKD系统的性能和安全性.
科学领域:
- 量子信息科学 量子信息科学
- 电信工程 电信工程 电信工程
- 计算机架构 计算机架构
背景情况:
- 量子密钥分布 (QKD) 确保使用量子力学进行安全的通信.
- 信息协调 (IR) 对QKD至关重要,它可以纠正共享密钥中的错误.
- 极地代码提供高效的IR,但当前的CPU/GPU实现缺乏性能和能源效率.
研究的目的:
- 在离散变量QKD (DV-QKD) 中设计和实施基于极点代码的IR硬件加速器.
- 克服现有的基于CPU/GPU的IR解决方案的性能和能源效率限制.
- 为实时QKD安全提供具有成本效益和高通量解决方案.
主要方法:
- 在成本效益低的FPGA平台上开发了一个硬件加速器,用于DV-QKD IR.
- 利用模块级管道平行结构来实现高吞吐量和可扩展性.
- 实现了完全并行解码策略和混合内存架构,以提高解码器效率和资源利用率.
主要成果:
- 实现了 35.33 Mbps 的 IR 吞吐量,区块大小为 [公式:见文本].
- 展示了QKD信息和解的实时,成本高效的解决方案.
- 验证了基于FPGA的硬件加速器在提高QKD系统性能方面的有效性.
结论:
- 基于FPGA的硬件加速器为QKD系统中的基于极点代码的IR提供了显著的进步.
- 该解决方案提供了一种实用且高效的方法来提高量子通信的安全性和性能.
- 该设计实现了高吞吐量和可扩展性,使其适合于现实世界的QKD部署.
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