Wavelength division multiplexing of chaotic secure and fiber-optic communications

被引：55
作者：
Zhang, Jian-Zhong [1 ]
Wang, An-Bang [1 ]
Wang, Juan-Fen [1 ]
Wang, Yun-Cai [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Sci, Dept Phys, Taiyuan 030024, Peoples R China
来源：
OPTICS EXPRESS | 2009年 / 17卷 / 08期
基金：
中国国家自然科学基金;
关键词：
SEMICONDUCTOR-LASERS; OPTICAL FEEDBACK; SYNCHRONIZATION; TRANSMISSION; PERFORMANCE; SYSTEMS; MASKING;
D O I：
10.1364/OE.17.006357
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Wavelength division multiplexing (WDM) transmission of chaotic optical communication (COC) and conventional fiber-optic communication (CFOC) is numerically confirmed and analyzed. For an 80-km-long two-channel communication system, a 1-Gb/s secure message in COC channel and 10-Gb/s digital signal in CFOC channel are simultaneously achieved with 100GHz channel spacing. Our numerical simulations demonstrate that the COC and CFOC can realize no-crosstalk transmission of 80km when the peak power of CFOC channel is less than 8dBm. We also find that the crosstalk between COC and CFOC does not depend on channel spacing when the channel spacing exceeds 100GHz. Moreover, the crosstalk does not limit channel number by comparing the synchronization performance of COC in four- and six-channel WDM systems. (C) 2009 Optical Society of America
引用
收藏
页码：6357 / 6367
页数：11
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