Injection-locking chaos synchronization and communication in closed-loop semiconductor lasers subject to phase-conjugate feedback

被引：19
|
作者：
Jiang, Ning [1 ]
Zhao, Anke [1 ]
Liu, Shiqin [1 ]
Zhang, Yiqun [1 ]
Peng, Jiafa [1 ]
Qiu, Kun [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Informat & Commun Engn, Chengdu 611731, Peoples R China
来源：
OPTICS EXPRESS | 2020年 / 28卷 / 07期
基金：
中国国家自然科学基金;
关键词：
OPTICAL-FEEDBACK; FIBER TRANSMISSION; DYNAMICS; COMPLEXITY; SECURITY;
D O I：
10.1364/OE.389028
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The properties of injection-locking chaos synchronization and communication in closed-loop external-cavity semiconductor lasers (ECSL) subject to phase-conjugate feedback (PCF) are investigated systematically. We theoretically analyze the general conditions for the injection-locking, and numerically investigate the properties of injection-locking chaos synchronization in the phase and intensity domains, the influences of frequency detuning and intrinsic parameter mismatch on the injection-locking chaos synchronization, as well as the performance of injection-locking chaos synchronization-based communication in closed-loop PCF-ECSL systems. The numerical results demonstrate that with respect to the conventional optical feedback (COF) scenario, the injection-locking chaos synchronization in a PCF-ECSLs configuration shows a significantly wider high-quality synchronization region and excellent feasibility, and the performance of chaos communication can also be enhanced. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：9477 / 9486
页数：10
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