Time delay signature concealment of optical feedback induced chaos in an external cavity semiconductor laser

被引：69
|
作者：
Wu, Jia-Gui [1 ,2 ]
Xia, Guang-Qiong [1 ,2 ]
Tang, Xi [1 ]
Lin, Xiao-Dong [1 ]
Deng, Tao [1 ]
Fan, Li [1 ]
Wu, Zheng-Mao [1 ,2 ]
机构：
[1] Southwest Univ, Sch Phys, Chongqing 400715, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
来源：
OPTICS EXPRESS | 2010年 / 18卷 / 07期
基金：
中国国家自然科学基金;
关键词：
OUTPUT; SUBJECT; SYSTEMS;
D O I：
10.1364/OE.18.006661
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The time delay (TD) signature concealment of optical feedback induced chaos in an external cavity semiconductor laser is experimentally demonstrated. Both the evolution curve and the distribution map of TD signature are obtained in the parameter space of external feedback strength and injection current. The optimum parameter scope of the TD signature concealment is also specified. Furthermore, the approximately periodic evolution relation between TD signature and external cavity length is observed and indicates that the intrinsic relaxation oscillation of semiconductor laser may play an important role during the process of TD signature suppression. (C) 2010 Optical Society of America
引用
收藏
页码：6661 / 6666
页数：6
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