High-speed chaos in an optical feedback system with flexible timescales

被引：27

作者：

Blakely, JN ^{[1
]}

Illing, L

Gauthier, DJ

机构：

[1] USA, Res Dev & Engn Command, AMSRD AMR WS ST, Redstone Arsenal, AL 35898 USA

[2] Duke Univ, Dept Phys, Durham, NC 27708 USA

[3] Duke Univ, Ctr Nonlinear & Complex Syst, Durham, NC 27708 USA

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2004年 / 40卷 / 03期

关键词：

bifurcation; chaos; delay effects; electrooptic devices; feedback lasers; nonlinear differential equations; nonlinear systems; optoelectronic devices;

D O I：

10.1109/JQE.2003.823021

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We describe a new optoelectronic device with time-delayed feedback that uses a Mach-Zehnder interferometer as passive nonlinearity and a semiconductor laser as a current-to-optical-frequency converter. Band-limited feedback allows tuning of the characteristic time scales of both the periodic and high dimensional chaotic oscillations that can be generated with the device. Our implementation of the device produces oscillations in the frequency range of tens to hundreds of megahertz. We develop a model and use it to explore the experimentally observed Andronov-Hopf bifurcation of the steady state and to estimate the dimension of the chaotic attractor.

引用

页码：299 / 305

页数：7

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