20 Gbit/s atmospheric laser communication based on dense wavelength division multiplexing

Su Yuwei; Bi Mingzhe; Liu Peng; Zhang Yan; Feng Xianglian; Wu Zhihang; Li Xiaoyan; Zhang Peng; Wang Tianshu; Wang Jian; Wu Qi; Wang Xiaoting

doi:10.5768/JAO201738.0107004

Journal of Applied Optics > 2017 > 38(1): 136-139. > DOI: 10.5768/JAO201738.0107004

Su Yuwei, Bi Mingzhe, Liu Peng, Zhang Yan, Feng Xianglian, Wu Zhihang, Li Xiaoyan, Zhang Peng, Wang Tianshu, Wang Jian, Wu Qi, Wang Xiaoting. 20 Gbit/s atmospheric laser communication based on dense wavelength division multiplexing[J]. Journal of Applied Optics, 2017, 38(1): 136-139. DOI: 10.5768/JAO201738.0107004

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20 Gbit/s atmospheric laser communication based on dense wavelength division multiplexing

1.
National and Local Joint Engineering Research Center of Space Optoelectronics Technology, Changchun University of Science and Technology, Changchun 130022, China
2.
Centre for Optical and Electromagnetic Research, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310058, China
3.
Xi'an Institute of Applied Optics, Xi'an 710065, China

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Received Date: July 18, 2016
Revised Date: August 31, 2016

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Abstract

Abstract

Due to urgent requirement for high speed transmission, digital atmospheric laser communication system based on double channel dense wavelength division multiplexing (DWDM) is experimentally demonstrated. Optical carriers are provided by two lasers at 1539.76 nm and 1540.55 nm respectively, and intensity modulation is adopted. After being multiplexed and amplified, DWDM signals are transmitted through an optical antenna. Spectrums, waveforms and eye diagrams are measured at receiver after transmission in the atmosphere via 1km. Experimental results show that DWDM signals are de-multiplexed in weak turbulence, and waveforms and eye diagrams are observed clearly. The Q-factors are more than 5 when transmitting 20 Gbit/s modulated signals simultaneously.
- optical communications,
- atmospheric laser communication,
- dense wavelength division multiplexing,
- eye diagram

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References

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20 Gbit/s atmospheric laser communication based on dense wavelength division multiplexing