Demonstration of flexible optical time-division multiplexing system for high-speed free-space optical communications

被引：7
|
作者：
Hu H. [1 ,2 ,3 ]
Qian F. [1 ,2 ]
Xie X. [1 ]
Duan T. [1 ]
Feng H. [1 ,2 ]
机构：
[1] State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an
[2] Graduate University of Chinese Academy of Sciences, Beijing
[3] The School of Science, Xi’an Jiaotong University, Xi’an
来源：
Journal of Optics | 2016年 / 45卷 / 1期
基金：
中国国家自然科学基金;
关键词：
Actively mode-locked fiber ring laser; Free-space optical communication; Optical time-division multiplexing; OTDM de-multiplexing;
D O I：
10.1007/s12596-016-0318-5
中图分类号：
学科分类号：
摘要：
A high-speed free-space optical communication scheme based on optical time-division multiplexing (OTDM) is experimentally demonstrated. By multiplexing eight 2.5Gb/s base-rate signals, which is generated from a repetition-tunable actively mode-locked fiber ring laser modulated by pseudo-random binary sequence data stream, a 20Gb/s OTDM packet is obtained. After 50 m high-speed FSO system transmission, the 20Gb/s OTDM packet is injected into a highly nonlinear fiber (HNLF) loop to realize polarization-insensitive de-multiplexing based on four-wave mixing (FWM). Experimental results show that the OTDM de-multiplexer bit error rate (BER) can achieve 10−9 level with steady operation over 24 h, proving the practicality of this system. © 2016, The Optical Society of India.
引用
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页码：1 / 6
页数：5
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