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Issue:
Photonic generation and transmission of chaotic ultra wideband signals
Author(s):
Liu Liu~) Zheng Jian-Yu~) Zhang Ming-Jiang~) Meng Li-Na~) Zhang Zhao-Xia~2)) Wang Yun-Cai~2)) 1) 2)
Pages:
191
-
199
Year:
2012
Issue:
8
Journal:
Acta Physica Sinica
Keyword:
半导体激光器
;
混沌激光
;
超宽带信号
;
光载超宽带
;
Abstract:
用光反馈半导体激光器产生混沌超宽带(UWB)信号,搭建了混沌UWB光载无线通信链路,实现了360,720 Mbit/s和1.44 Gbit/s三种不同传输速率下混沌UWB脉冲信号的生成和传输.在未经任何色散补偿处理的情况下,1.44 Gbit/s的混沌UWB信号在经过10 km单模光纤和0.6 m无线链路传输后,在天线接收端被成功解调.由于混沌UWB信号输出的随机性,对应的UWB信号频谱中未出现任何离散的谱线.这意味着利用混沌UWB信号实现的光载无线通信链路,可以完全避免离散谱线对系统传输性能的劣化.
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