Optical communication with synchronized hyperchaos generated electrooptically

被引：113

作者：

Goedgebuer, JP ^{[1
]}

Levy, P

Larger, L

Chen, CC

Rhodes, WT

机构：

[1] Georgia Tech Lorraine, CNRS, UMR 6603, GTL Telecom, F-57070 Metz, France

[2] Univ Franche Comte, Lab Opt PM Duffieux, CNRS, UMR 6603, F-25030 Besancon, France

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2002年 / 38卷 / 09期

关键词：

chaos; delay systems; dynamics; electrooptic modulator; encryption; nonlinear difference equations; optoelectronic oscillators;

D O I：

10.1109/JQE.2002.802025

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 propose a method based on a scalar second-order difference-differential equation to obtain intensity chaos from a laser diode with a nonlinear delayed feedback. The method can be used for encrypting, transmitting, and decrypting a signal in a chaos-based communication system. The core of the chaotic transmitter and receiver is formed by an electrooptic modulator that is used to generate a strong reproducible nonlinearity and chaotic waveforms of extremely high Lyapunov dimensionality. The system opens the way to ultrafast chaotic communications.

引用

页码：1178 / 1183

页数：6

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