An optimization scheme for generating of Chebyshev optical chaotic sequence

被引：3

作者：

Liu Hui-Shi ^{[1
]}

Yu Chong-Xiu ^{[1
]}

Yin Xiao-Li ^{[2
]}

Zhang Qi ^{[2
]}

Xin Xiang-Jun ^{[2
]}

机构：

[1] Beijing Univ Posts & Telecommun, Key Lab Opt Commun & Lightwave Technol, Minist Educ, Beijing 100876, Peoples R China

[2] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China

来源：

ACTA PHYSICA SINICA | 2009年 / 58卷 / 04期

基金：

中国国家自然科学基金; 高等学校博士学科点专项科研基金;

关键词：

Chebyshev map; chaotic sequence; Lyapunov exponent; optical chaotic sequence generator;

D O I：

10.7498/aps.58.2231

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The methods of generating spread-spectrum sequences with Mach-Zehnder interferometer are studied, also the principle and the scheme of a reported Chebyshev chaotic sequence generator is analyzed. To eliminate the limitation caused by the size of optical elements, a new scheme using the properties of cosine function is put forward. By using voltage to adjust the refractive index of the arms of Mach-Zehnder interferometer, a wavelength adaptive generator can be realized, with which different Chebyshev optical chaotic sequences with different input wavelengths could be obtained.

引用

页码：2231 / 2234

页数：4

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