基于量子噪声流加密的光子太赫兹安全通信技术

Photonics-assisted Terahertz Secured Communication Technology Based on Quantum Noise Stream Cipher

作为下一代无线通信的关键技术之一,太赫兹通信面临的安全性问题越来越受关注。QNSC技术具有结构灵活、支持与现有网络融合等优点,在实现大容量、高速率的无线安全通信方面具有巨大的潜力。从太赫兹通信链路面临的窃听和干扰等威胁出发,详细阐述了QNSC技术的基本原理并介绍了QNSC与光子太赫兹通信的无缝融合技术,最后实验验证了净速率达16 Gbit/s的太赫兹安全无线传输。

As one of the pivotal technologies for next-generation wireless communication,security concerns in terahertz communication are attracting increasing attention.Quantum Noise Stream Cipher(QNSC),with its flexible structure and support for integration with existing networks,holds great potential for achieving high-capacity and high-rate secure wireless communication.Beginning with the threats encountered by terahertz communication links,such as eavesdropping and interference,this paper elucidates the fundamental principles of QNSC and introduces the seamless fusion technology of QNSC and photonics-assisted terahertz communication.Finally,experimental validation is perfbnned to attain terahertz-secured wireless transmission,achieving a net rate of up to 16 Gbit/s.