基于光数模转换的量子噪声流密码

IF 3.3 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical and Quantum Electronics Pub Date : 2025-01-06 DOI:10.1007/s11082-024-08024-9

Zhao-Yun Li, Yu-Kun Zhang, Hai-Yue Pang, Qing-Song Luo, Xin Zhang, Zhi-Yong Tao, Ya-Xian Fan

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引用次数: 0

摘要

提出并论证了一种利用光学数模转换器实现量子噪声流密码的方法。设计了量子噪声流密码系统的原理验证实验，通过4位端口传输波特率为10gbps的16级信号。因此，根据明文信号和秘钥对多个光波长的强度进行加权和求和得到加密信号，使得信号的相邻电平被量子噪声的涨落所覆盖。实验结果表明，合法用户能够以2.19 \(\times\) 10 \(^{-11}\)的极低错误概率成功恢复QNSC信号。然而，由于量子噪声的干扰，窃听者无法区分不同的比特，由于量子噪声的干扰，窃听者给出了0.425的非常高的错误概率。

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Quantum noise stream cipher based on optical digital to analog conversion

An implementation method of quantum noise stream cipher with optical digital to analog converter is proposed and demonstrated. The proof-of-principle experiment for quantum noise stream cipher system has been designed to transmit 16-level signal with the baud rate of 10 Gbps by means of 4-bit port. So, the encrypted signal is obtained by weighting the intensities of multiple optical wavelengths and summing them according to plaintext signal and secret key, that makes the adjacent level of the signals are covered with the fluctuation of quantum noise. Experimental results show that the legitimate user can successfully recover the QNSC signal by the decryption with a very low probability of error with 2.19\(\times\)10\(^{-11}\). However, the eavesdropper cannot distinguish the distinct bits due to the disturbance of quantum noise, which it is giving a very high probability of error with 0.425 due to the disturbance of quantum noise.

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来源期刊

Optical and Quantum Electronics 工程技术-工程：电子与电气

CiteScore

4.60

自引率

20.00%

发文量

810

审稿时长

3.8 months

期刊介绍： Optical and Quantum Electronics provides an international forum for the publication of original research papers, tutorial reviews and letters in such fields as optical physics, optical engineering and optoelectronics. Special issues are published on topics of current interest. Optical and Quantum Electronics is published monthly. It is concerned with the technology and physics of optical systems, components and devices, i.e., with topics such as: optical fibres; semiconductor lasers and LEDs; light detection and imaging devices; nanophotonics; photonic integration and optoelectronic integrated circuits; silicon photonics; displays; optical communications from devices to systems; materials for photonics (e.g. semiconductors, glasses, graphene); the physics and simulation of optical devices and systems; nanotechnologies in photonics (including engineered nano-structures such as photonic crystals, sub-wavelength photonic structures, metamaterials, and plasmonics); advanced quantum and optoelectronic applications (e.g. quantum computing, memory and communications, quantum sensing and quantum dots); photonic sensors and bio-sensors; Terahertz phenomena; non-linear optics and ultrafast phenomena; green photonics.