Synchronization of chaotic VCSELs by external chaotic signal parameter modulation

被引：1
|
作者：
Wang, Wei [1 ,2 ]
Zhang, Shenghai [1 ]
Qian, Xingzhong [1 ]
Wang, Yanbin [3 ]
机构：
[1] Hiformat Engn Univ, Dept Math & Phys, Inst Sci, Zhengzhou 450001, Peoples R China
[2] Sergeant Coll Second Artillery, Weifang 262500, Peoples R China
[3] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2009年 / 7卷 / 10期
关键词：
GENERALIZED SYNCHRONIZATION; SEMICONDUCTOR-LASERS;
D O I：
10.3788/COL20090710.0945
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Synchronization of chaotic vertical-cavity surface-emitting lasers (VCSELs) is achieved by external chaotic signal modulation successfully. Simulation indicates that we can get chaos synchronization if the intensity of external chaotic signal is large enough. First of all, we use direct current modulation to achieve the chaos of VCSELs, and determine the laser's chaotic state by analyzing time series of the output and the corresponding power spectrum. And then we achieve synchronization of the two chaotic systems by external chaotic signal parameter modulation. We also find that the larger the modulation intensity is, the easier it is to achieve synchronization for chaotic VCSELs. This approach can also be applied to systems with a number of modulated lasers.
引用
收藏
页码：945 / 948
页数：4
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