Chaos synchronization and chaotic signal masking in semiconductor lasers with optical feedback

被引：245

作者：

Ohtsubo, J ^{[1
]}

机构：

[1] Shizuoka Univ, Fac Engn, Hamamatsu, Shizuoka 4328561, Japan

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2002年 / 38卷 / 09期

关键词：

chaos; chaos communications; chaos synchronization; optical feedback; semiconductor lasers;

D O I：

10.1109/JQE.2002.801883

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Theoretical and experimental investigations of chaos synchronization and,its application to chaotic data transmissions in semiconductor lasers with optical feedback are presented. Two schemes of chaos synchronization-complete and generalized synchronization-are discussed in the delay differential systems. The conditions for chaos synchronization in the systems and the robustness for the parameter mismatches are,studied. The possibility of secure communications based on the chaos masking technique in semiconductor lasers with optical feedback is also discussed, and message transmission of a 1.5-GHz sinusoidal signal is demonstrated. The method of bandwidth enhancement of chaotic carriers is proposed for broad-band chaos communications.

引用

页码：1141 / 1154

页数：14

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