Synchronization of Lasers Coupling System and Its Application in Optical Fiber Chaotic Secure Communication

YAN Sen-lin; CHI Ze-ying; CHEN Wen-jian; SUN Xiao-han; ZHANG Ming-de

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Synchronization of Lasers Coupling System and Its Application in Optical Fiber Chaotic Secure Communication

更新时间：2025-07-16

- Synchronization of Lasers Coupling System and Its Application in Optical Fiber Chaotic Secure Communication
- Acta Electronica Sinica Vol. 30, Issue 11, Pages: 1663-1667(2002)
- 作者机构：
  
  1. 南京理工大学电子工程与光电技术学院,江苏,南京,210094
  2. 东南大学电子工程系,江苏,南京,210096
  3. 南京理工大学电子工程与光电技术学院江苏南京,210094
  4. 东南大学电子工程系江苏南京,210096
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP273TN918
- Published：2002
- 稿件说明：
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YAN Sen-lin, CHI Ze-ying, CHEN Wen-jian, et al. Synchronization of Lasers Coupling System and Its Application in Optical Fiber Chaotic Secure Communication[J]. Acta Electronica Sinica, 2002, 30(11): 1663-1667.
DOI：

YAN Sen-lin, CHI Ze-ying, CHEN Wen-jian, et al. Synchronization of Lasers Coupling System and Its Application in Optical Fiber Chaotic Secure Communication[J]. Acta Electronica Sinica, 2002, 30(11): 1663-1667. DOI：

摘要

本文建立了光纤混沌保密通信耦合同步系统模型

实现了外部光注入分布反馈半导体激光器激光混沌在长距离光纤传输中的耦合同步

证明了光纤的交叉相位调制是限制激光混沌在光纤传输中同步的主要原因

导出了这种传输的极限.该同步系统在长距离光纤混沌模拟和数字保密通信中的数值模拟表明

该系统确有较高的保密性能和反破译能力.光纤混沌保密通信是可以实现的.

Abstract

A model of synchronous chaotic coupling system for optical fiber chaotic secure communication is presented.A system with distributed feedback semiconductor lasers with external light injection of 1.31μm bas been successfully stimulated in long distance fiber.The synchronization is limited by the intercross-phase modulation in the fiber.The propagation limit is presented.Both analong and digital optical fiber chaotic secure communications with the system are studied by numerical simulations in the long propagating distances.The system shows a good ability of robust security and anti-code-breaking.Optical fiber chaotic secure communications can be realized.

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