Electro-optic chaotic system based on the reverse-time chaos theory and a nonlinear hybrid feedback loop

被引：16
|
作者：
Jiang, Xingxing [1 ]
Cheng, Mengfan [1 ]
Luo, Fengguang [1 ]
Deng, Lei [1 ]
Fu, Songnian [1 ]
Ke, Changjian [1 ]
Zhang, Minming [1 ]
Tang, Ming [1 ]
Shum, Ping [2 ]
Liu, Deming [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Next Generat Internet Access Natl Engn, Wuhan 430074, Peoples R China
[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 637553, Singapore
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 25期
基金：
中国国家自然科学基金;
关键词：
COMMUNICATION-SYSTEM; SIGNALS; FILTER; LASER;
D O I：
10.1364/OE.24.028804
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel electro-optic chaos source is proposed on the basis of the reverse-time chaos theory and an analog-digital hybrid feedback loop. The analog output of the system can be determined by the numeric states of shift registers, which makes the system robust and easy to control. The dynamical properties as well as the complexity dependence on the feedback parameters are investigated in detail. The correlation characteristics of the system are also studied. Two improving strategies which were established in digital field and analog field are proposed to conceal the time-delay signature. The proposed scheme has the potential to be used in radar and optical secure communication systems. (C) 2016 Optical Society of America
引用
收藏
页码：28805 / 28815
页数：11
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