Impacts of environmental factors to bi-directional 2x40 Gb/s WDM free-space optical communication

被引:10
|
作者
Liaw, Shien-Kuei [1 ]
Hsu, Kuang-Yu [2 ]
Yeh, Jai-Ger [1 ]
Lin, Yu-Ming [1 ]
Yu, Yi-Lin [1 ]
机构
[1] Natl Taiwan Univ Sci & Technol, Dept Elect & Comp Engn, Taipei 106, Taiwan
[2] Maven Optron Inc, Hsinchu 300, Taiwan
关键词
Free-space optical; Optical communication; Wavelength division multiplexing; Power penalty; Environmental factor; TRANSMISSION; SYSTEM;
D O I
10.1016/j.optcom.2017.03.042
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Bi-directional short-range free-space optical (FSO) communication with bi-directional 2x4x10 Gb/s wavelength division multiplexing (WDM) channel signals is demonstrated by using a transmission distance of 25 m. The single-mode-fiber components are used in the optical terminals for both optical transmitting and receiving functions. The measured power penalties for the 25-m bi-directional four-channel FSO communication compared with the back-to-back link and uni-directional transmission system are less than 0.8 dB and 0.2 dB, respectively. The environmental factor effects, including the oblique incidence through the building window glasses, thermally induced non-uniform air index as well as rainfall on the FSO performance are investigated and analyzed. The experimental results show that rainfall is influential for free space optical transmission.
引用
收藏
页码:127 / 133
页数:7
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