the National Key Research and Development Program of China(Grant No.2020YFA0309702);NSAF(Grant No.U2130205);the National Natural Science Foundation of China(Grant Nos.62101597,61605248,and 61505261);the China Postdoctoral Science Foundation(Grant No.2021M691536);the Natural Science Foundation of Henan(Grant Nos.202300410534 and 202300410532);the Anhui Initiative in Quantum Information Technologies。
Quantum key distribution provides an unconditional secure key sharing method in theory,but the imperfect factors of practical devices will bring security vulnerabilities.In this paper,we characterize the imperfections...
the National Key Research and Development Program of China(Grant Nos.2020YFA0309702 and 2020YFA0309701);the National Natural Science Foundation of China(Grant No.62101597);the China Postdoctoral Science Foundation(Grant No.2021M691536);the Natural Science Foundation of Henan(Grant Nos.202300410534 and 202300410532);the Anhui Initiative in Quantum Information Technologies。
The huge discrepancies between actual devices and theoretical assumptions severely threaten the security of quantum key distribution.Recently,a general new framework called the reference technique has attracted wide a...