Enhanced complexity of optical chaos in a laser diode with phase-conjugate feedback

被引：53
|
作者：
Rontani, D. [1 ,2 ,3 ]
Mercier, E. [1 ,2 ,3 ]
Wolfersberger, D. [1 ,2 ,3 ]
Sciamanna, M. [1 ,2 ,3 ]
机构：
[1] Univ Paris Saclay, Cent Supelec, LMOPS EA Lab 4423, OPTEL Res Grp, F-57070 Metz, France
[2] Cent Supelec, LMOPS EA Lab 4423, F-57070 Metz, France
[3] Univ Lorraine, F-57070 Metz, France
来源：
OPTICS LETTERS | 2016年 / 41卷 / 20期
关键词：
RANDOM BIT GENERATION; SEMICONDUCTOR-LASER; TIME; DYNAMICS; IDENTIFICATION; INJECTION; SUBJECT;
D O I：
10.1364/OL.41.004637
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate numerically that a semiconductor laser subjected to phase-conjugate feedback (PCF) can exhibit an enhancement in the complexity of chaos by comparison to conventional optical feedback. Using quantifiers from spectral analysis and information theory, we demonstrate that under similar parametric conditions, PCF exhibits a larger chaotic bandwidth and higher spectral flatness and statistical complexity. These properties are of utmost importance for applications in secure communications and random number generation. (C) 2016 Optical Society of America
引用
收藏
页码：4637 / 4640
页数：4
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