It builds the photon link between sender and receiver of quantum communication network, and provides quantum channel for transferring quantum information between them.
它在量子通信网络的发信者与收信者之间建立光子链路，为通信双方提供量子信道，用于传输量子信息。
2
Theoretical models of the single-photon acquisition probability in an uplink channel and a downlink channel were established.