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Proceedings Paper

Influences of chromatic dispersion and nonlinearity in fiber on the chaos synchronization
Author(s): Linfu Li; Zhengmao Wu; Jun Li; Bingxing Yang; Xin Qiu; Guangqiong Xia
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Paper Abstract

In order to supply a theoretical guide for chaotic telecommunication, the influences of the chromatic dispersion and nonlinearity in fiber on the chaotic synchronization have been investigated based on the theoretical models used to describe the dynamics of semiconductor laser subjected to the external optical feedback and signal transmission in fiber channel. The numerical simulation results show that, the fiber nonlinear effect is responsible for the phase varying of chaotic signal and do not affect the amplitude of the chaotic signal; due to chromatic dispersion, the amplitude characteristics of chaotic signal are distorted significantly and the system synchronization quality will be impaired; after propagating 200km in dispersion shifted fiber, a desirable system chaotic synchronization with a synchronized coefficient 0.99 can be achieved by adopting a amplifier before the received laser to compensate the fiber loss.

Paper Details

Date Published: 4 January 2008
PDF: 6 pages
Proc. SPIE 6839, Nonlinear Optics: Technologies and Applications, 68390W (4 January 2008); doi: 10.1117/12.753978
Show Author Affiliations
Linfu Li, Southwest Univ. (China)
Zhengmao Wu, Southwest Univ. (China)
Jun Li, Southwest Univ. (China)
Bingxing Yang, Southwest Univ. (China)
Xin Qiu, Southwest Univ. (China)
Guangqiong Xia, Southwest Univ. (China)

Published in SPIE Proceedings Vol. 6839:
Nonlinear Optics: Technologies and Applications
Yiping Cui; Qihuang Gong; Yuen-Ron Shen, Editor(s)

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