基于混沌的光网络物理层防护技术研究与设计  

Reserach and Design of Optical Network Physical Layer Protection Technology Based on Chaos

作　　者：郑小辉 廖伟 ZHENG Xiaohui;LIAO Wei(Dongguan Branch of China Mobile Communications Group Guangdong Co.LTD,GuangDong DongGuan,523690)

机构地区：[1]中国移动通信集团广东有限公司东莞分公司,广东东莞523690

出　　处：《长江信息通信》2023年第1期18-21,共4页Changjiang Information & Communications

摘　　要：围绕光网络信息抗截获传输需求,文章探究了光网络物理层防护方法。提出了基于多维光混沌加密的光网络物理层防护技术,将相位偏振变换技术与光混沌技术相结合,通过多级光混沌增强信号保密度,实现了光网络超低信息截获概率传输;借助数据链路层的信息交互、波长路由和标签转发技术,进一步实现了多节点光混沌组网;将多维加密收发模块直接应用于现有光通信传输网点中,替代传统通信节点实现信号的高保密传输,该技术完全兼容现有密集波分复用光网络,有效降低了通信投资成本。In this paper,Focusing on the anti interception and transmission requirements of optical network information,the protection methods of optical network physical layer are explored..The physical layer protection technology of optical network based on multi-dimensional optical chaos encryption is proposed.Combining the phase polarization transformation technology with optical chaos technology and enhancing the signal confidentiality through multi-level optical chaos,the transmission of ultralow probability of information interception in optical network is realized;With the help of information interaction in the data link layer>wavelength routing and label?forwarding,multi node optical chaos networking is further realized,The multi-dimensional encryption transceiver module is directly applied to the existing optical communication transmission nodes to replace the traditional communication nodes,it can realize the high security transmission of signals.This technology is fully compatible with the existing dense wavelength division multiplexing optical network and effectively reduces the communication investment cost.

关 键 词：光网络 混沌 物理层防护 相位调制环 偏振控制器 

分 类 号：TN915[电子电信—通信与信息系统]