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    Long-distance free-space quantum key distribution in daylight towards inter-satellite communication

    In the past, long-distance free-space quantum communication experiments could only be implemented at night. During the daytime, the bright background sunlight prohibits quantum communication in transmission un...

    Sheng-Kai Liao, Hai-Lin Yong, Chang Liu, Guo-Liang Shentu, Dong-Dong Li in Nature Photonics (2017)