Paper
20 February 2018 Research progress of free space coherent optical communication
Author Affiliations +
Proceedings Volume 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application; 1069736 (2018) https://doi.org/10.1117/12.2314988
Event: Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 2017, Nanjing, China
Abstract
This paper mainly introduces the research progress of free space coherent optical communication in Xi'an University of Technology. In recent years, the research on the outer modulation technology of the laser, free-space-to-fiber coupling technique, the design of transmitting and receiving optical antenna, adaptive optical technology with or without wave-front sensor, automatic polarization control technology, frequency stabilization technology, heterodyne detection technology and high speed signal processing technology. Based on the above related research, the digital signal modulation, transmission, detection and data recovery are realized by the heterodyne detection technology in the free space optical communication system, and finally the function of smooth viewing high-definition video is realized.
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Zhenkun Tan and Xizheng Ke "Research progress of free space coherent optical communication", Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 1069736 (20 February 2018); https://doi.org/10.1117/12.2314988
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KEYWORDS
Signal detection

Optical communications

Telecommunications

Modulation

Digital signal processing

Adaptive optics

Heterodyning

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