Research on space coherent laser communications technology

【Author】

Song Lu~a,Song Tong~b,Zhu Yi feng~a,Liu Quan~a,DuanMu Fan Yi~c,Yu Lin Tao~a a Changchun University of Science and Technology;b Dalian University of Technology;c Beijing Instieute of Technology

【Abstract】

<正>In this paper,we research the laser transmission characteristics in the space channel environment and on which basis, research the overall composition of coherent space laser communication systems and focus on its key technologies, including high-speed outer optical modulation technology,optical phase locking technology,photo mixing technology, optical heterodyne detection and optical signal processing technology,Finally,the article looks for prospects on the development of coherent space laser communication.

【Keywords】

Laser Communication;;Coherent Detection;;Space Channel

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