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40Gb/s secure optical communication based on symbol-by-symbol optical phase encryption
IEEE Photonics Technology Letters ( IF 2.3 ) Pub Date : 2020-07-15 , DOI: 10.1109/lpt.2020.3000215
Zhensen Gao , Yuehua An , Anbang Wang , Pu Li , Yuwen Qin , Yuncai Wang , Xu Wang

Achieving high speed physical layer security is a constant pursuit but critical challenge for the information society. In this paper, a novel symbol-by-symbol optical phase encryption technique relying on ultra-long, reconfigurable optical phase patterns and commercial off-the-shelf dispersive components is proposed for high speed physical layer security. A record 40Gb/s secure optical communication system with symbol overlapped, optical phase encrypted differential-phase-shift-keying modulated signal is experimentally demonstrated based on the proposed technique. Security robustness against various eavesdropper’s attacks has been validated for three optical codes with a chip rate of 40Gchip/s and variable code-length of 128-chip, 512-chip and 1024-chip, respectively. The demonstrated technique exhibits the advantages of supporting high bit rate operation and advanced optical modulation formats, improving code flexibility and cardinality, which makes it very promising for future ultra-fast secure optical communication.

中文翻译:

基于逐符号光相位加密的40Gb/s安全光通信

实现高速的物理层安全是信息社会不断的追求,也是关键的挑战。在本文中,提出了一种基于超长、可重构光相位模式和商用现成色散组件的新型逐符号光相位加密技术,以实现高速物理层安全。基于所提出的技术,实验证明了具有符号重叠、光相位加密的差分相移键控调制信号的创纪录的 40Gb/s 安全光通信系统。对三种码率分别为40Gchip/s和可变码长128-chip、512-chip和1024-chip的光码进行了针对各种窃听者攻击的安全鲁棒性验证。
更新日期:2020-07-15
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