In this paper, we have proposed a plug-and-play twin-field quantum key distribution scheme that has passive mode-matching characteristics of quantum signals and can be operated stably. Also, we have experimentally demonstrated the implementation feasibility of our proposed scheme.
ACKNOWLEDGMENT This work was supported in part by National Research Foundation of Korea (2019R1A2C2006381) and in part by Institute for Information and Communications Technology Promotion (2020-0-00947, 2020-0-00972).This work was supported in part by National Research Foundation of Korea (2019R1A2C2006381) and in part by Institute for Information and Communications Technology Promotion (2020-0-00947, 2020-0-00972).
