Time-delay signature of chaos in 1550 nm VCSELs with variable-polarization FBG feedback

被引：22
|
作者：
Li, Yan [1 ]
Wu, Zheng-Mao [1 ]
Zhong, Zhu-Qiang [1 ]
Yang, Xian-Jie [1 ]
Mao, Song [1 ]
Xia, Guang-Qiong [1 ,2 ]
机构：
[1] Southwest Univ, Sch Phys Sci & Technol, Chongqing 400715, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
来源：
OPTICS EXPRESS | 2014年 / 22卷 / 16期
基金：
中国国家自然科学基金;
关键词：
Fiber Bragg gratings - Time delay - Transceivers - Polarization - Timing circuits;
D O I：
10.1364/OE.22.019610
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Based on the framework of spin-flip model (SFM), the output characteristics of a 1550 nm vertical-cavity surface-emitting laser (VCSEL) subject to variable-polarization fiber Bragg grating (FBG) feedback (VPFBGF) have been investigated. With the aid of the self-correlation function (SF) and the permutation entropy (PE) function, the time-delay signature (TDS) of chaos in the VPFBGF-VCSEL is evaluated, and then the influences of the operation parameters on the TDS of chaos are analyzed. The results show that the TDS of chaos can be suppressed efficiently through selecting suitable coupling coefficient and feedback rate of the FBG, and is weaker than that of chaos generated by traditional variable-polarization mirror feedback VCSELs (VPMF-VCSELs) or polarization-preserved FBG feedback VCSELs (PPFBGF-VCSELs). (C)2014 Optical Society of America
引用
收藏
页码：19610 / 19620
页数：11
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