Chaos synchronization and communication in closed-loop semiconductor lasers subject to common chaotic phase-modulated feedback

被引：53
|
作者：
Jiang, Ning [1 ]
Zhao, Anke [1 ]
Liu, Shiqin [1 ]
Xue, Chenpeng [1 ]
Qiu, Kun [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Informat & Commun Engn, 2006 Xiyuan Ave, Chengdu 611731, Sichuan, Peoples R China
来源：
OPTICS EXPRESS | 2018年 / 26卷 / 25期
基金：
中国国家自然科学基金;
关键词：
TIME-DELAY SIGNATURE; WIDE-BAND CHAOS; OPTICAL COMMUNICATIONS; FIBER TRANSMISSION; ENHANCEMENT; SUPPRESSION; SYSTEMS; CONCEALMENT; PERFORMANCE; GENERATION;
D O I：
10.1364/OE.26.032404
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose and demonstrate a closed-loop chaos system composed of external-cavity semiconductor lasers subject to common chaotic phase-modulated optical feedback (CCPMOF). The efficient-bandwidth and time-delay signature (TDS) characteristics of the chaotic carrier, the properties of chaos synchronization, as well as the performance and security of chaos communication are systematically investigated. The numerical results demonstrate that wideband chaotic carrier with effective TDS suppression can be easily obtained, high-quality chaos synchronization with considerable mismatch robustness, frequency detuning tolerance, and phase fluctuation tolerance can be achieved in a wide operation range, and high-speed chaos communication is available. With respect to the conventional closed-loop systems, the bandwidth and complexity of chaotic carrier is greatly enhanced, and the performances of chaos synchronization and communication are obviously improved. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：32404 / 32416
页数：13
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