PSK 量子噪声随机加密系统的实现方法研究

doi:10.3969/j.issn.1007-5461.2022.03.0014

量子电子学报 ›› 2022, Vol. 39 ›› Issue (3): 423-430.doi: 10.3969/j.issn.1007-5461.2022.03.0014

PSK 量子噪声随机加密系统的实现方法研究

谭业腾, 蒲涛∗, 郑吉林, 周华, 苏国瑞

( 陆军工程大学通信工程学院, 江苏南京210007 )

收稿日期:2020-08-13 修回日期:2020-09-08 出版日期:2022-05-28 发布日期:2022-05-28
通讯作者: E-mail: nj_putao@163.com E-mail: nj_putao@163.com
作者简介:谭业腾( 1990 - ), 山东烟台人, 博士生, 主要从事光码分多址技术和物理层抗截获技术方面的研究。E-mail: sjtutyt@163.com
基金资助:
Supported by National Natural Science Foundation of China (国家自然科学基金, 61475193, 61673393, 61504170)

Realization method of PSK quantum-noise randomized cipher system

TAN Yeteng, PU Tao∗, ZHENG Jilin, ZHOU Hua, SU Guorui

(College of Communications Engineering, Army Engineering University of PLA, Nanjing 210007, China)

Received:2020-08-13 Revised:2020-09-08 Published:2022-05-28 Online:2022-05-28

摘要/Abstract

摘要： 量子噪声随机加密(QNRC) 是一种基于海森堡不确定性原理的物理层加密技术, 其能够适用于高速率、大容量以及长距离的光纤通信网络。针对QNRC 系统中多进制Y-00 密文信号的调制及解调受限于高采样速率、高转换深度的ADC 芯片的问题, 提出了一种利用多个串联相位调制器(PM) 进行Y-00 密文信号的调制及解调的实现方法, 并利用VPItransmission Maker Optical Systems 仿真软件对该实现方案进行了仿真验证及性能分析。仿真结果表明: 基于多个PM 串联的方式, 实现了密文态数目为126、数据速率为10 Gbit/s 以及1000 km 光纤放大链路传输的相移键控-量子噪声随机加密(PSK-QNRC) 系统; 降低密文量子态的介观功率有利于提高 QNRC 系统的安全性水平, 但同时会损害系统的传输性能, 因此选择合适的介观功率对于优化系统的安全性和可靠性具有重要意义。

关键词: 光通信, 抗截获通信, 量子噪声随机加密, Y-00 协议

Abstract: Quantum-Noise Randomized Cipher (QNRC) is a kind of physical-layer encryption technology based on Heisenberg uncertainty principle, which can be applied to high-speed, large capacity and long-haul optical fiber communication network. In order to solve the problem that the modulation and demodulation of M-ary Y-00 ciphertext signal in QNRC system is limited by the ADC chip with high sampling rate and high conversion depth, this paper proposes a method to modulate and demodulate Y-00 ciphertext signal by using multiple phase modulators (PM) in series, and the performances of the proposed scheme is verified by using VPItransmission Maker Optical Systems simulation software. The simulation results show that, the PSK-QNRC system at 10 Gbit/s over 1000-km optically amplified links, where the number of ciphertext states are attained to 126 is realized based on the series structure of multiple PM; Reducing the mesoscopic power of the ciphertext quantum state can improve the security level of QNRC system, but it will damage the transmission performance of the system at the same time. It is very important to select the appropriate mesoscopic power to optimize the security and reliability of QNRC system.

Key words: optical communications, anti-interception communication, quantum-noised randomized cipher, Y-00 protocol

中图分类号:

TN918.1

谭业腾, 蒲涛∗, 郑吉林, 周华, 苏国瑞. PSK 量子噪声随机加密系统的实现方法研究[J]. 量子电子学报, 2022, 39(3): 423-430.

TAN Yeteng, PU Tao∗, ZHENG Jilin, ZHOU Hua, SU Guorui. Realization method of PSK quantum-noise randomized cipher system[J]. Chinese Journal of Quantum Electronics, 2022, 39(3): 423-430.

参考文献

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PSK 量子噪声随机加密系统的实现方法研究

Realization method of PSK quantum-noise randomized cipher system

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