Theoretical model and characteristics investigations of dual-channel optical chaotic communication system | Zendy

Wu Jia-Gui | Zendy; Wu Zheng-Mao | Zendy; Lin Xiao-dong | Zendy; Yi Zhang | Zendy; Dongzhou Zhong | Zendy; Guang-Qiong Xia | Zendy

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Theoretical model and characteristics investigations of dual-channel optical chaotic communication system

Author(s) -

Wu Jia-Gui,

Wu Zheng-Mao,

Lin Xiao-dong,

Yi Zhang,

Dongzhou Zhong,

Guang-Qiong Xia

Publication year - 2005

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.54.4169

Subject(s) - chaotic , computer science , transmission (telecommunications) , channel (broadcasting) , signal (programming language) , modulation (music) , dual (grammatical number) , transmission system , optical communication , electronic engineering , function (biology) , topology (electrical circuits) , optics , telecommunications , physics , acoustics , mathematics , art , literature , combinatorics , artificial intelligence , programming language , engineering , evolutionary biology , biology

A theoretical model characterizing a recent experiment of dual-channel optical chaotic communication has been presented, and is proved to be reasonable by comparing the numerical simulation with the experimental results. After deducing the transmission function of semiconductor laser by small-signal analysis, how toreasonably select the system parameters in order to realize the effective transmission of signal has been specified. Moreover, the cross talk between two channels has been analyzed quantitatively. For a 250MHz modulation message, the nume rical simulation shows that it can be hidden efficiently during the transmission in the system and decoded easily.

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