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LIU Zhi, JIANG Qing-fang, LIU Shu-tong, TIAN Shao-qian, LIU Xian-zhu, YU Jia-xin, ZHAO Jian-tong, YAO Haifeng, DONG Ke-yan. Research progress of space laser communication networking technology[J]. Chinese Optics. doi: 10.37188/CO.2023-0140
Citation: LIU Zhi, JIANG Qing-fang, LIU Shu-tong, TIAN Shao-qian, LIU Xian-zhu, YU Jia-xin, ZHAO Jian-tong, YAO Haifeng, DONG Ke-yan. Research progress of space laser communication networking technology[J]. Chinese Optics. doi: 10.37188/CO.2023-0140

Research progress of space laser communication networking technology

doi: 10.37188/CO.2023-0140
Funds:  Supported by Ye Qisun Science Foundation of National Natural Science Foundation of China (No. U2141231); Youth Foundation of National Natural Science Foundation of China (No. 62105042)
  • Received Date: 18 Aug 2023
  • Rev Recd Date: 26 Nov 2023
  • Available Online: 05 Feb 2024
  • Laser communication utilizes light waves as the transmission medium. It offers many advantages, including high data rates, expansive bandwidth, compactness, robust interference resistance, and superior confidentiality. It has the critical capability to enable high-speed transmission and secure operation of space information networks. Prominent research institutions have committed to studying a series of challenges that need to be solved in the process of networking laser communication technology, including point-to-multipoint simultaneous laser communication, all-optical switching and forwarding of multi-channel signals within nodes, node dynamic random access, and network topology design. Numerous demonstration and verification experiments have been conducted, with a subset of these research results finding practical applications. Based on the analysis and discussion of space laser communication networking technology, this paper summarizes the development of laser communication networking technology both domestically and internationally, focusing on the application of laser communication networking technology in the fields of satellite constellations, satellite relays, and aviation networks; furthermore, it presents a review of pertinent domestic research methodologies, experimental validations, and technical solutions; finally, it predicts the development trend of laser communication networking technology and applications.


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