Cryptography is a discipline that studies encryption, decryption and related techniques in a
number of fields, including information security, computer science and mathematics. Its aim …

The problem of implementation security in quantum key distribution (QKD) refers to the
difficulty of meeting the requirements of mathematical security proofs in real‐life QKD …

Integrating measurement-device-independent quantum key distribution (MDI QKD) with
classical networks guarantees security and economy. Unfortunately, the performance of MDI …

The advantage distillation (AD) method has proven effective in improving the performance of
quantum key distribution (QKD). In this paper we introduce the AD method into a recently …

In practical applications to free-space quantum communications, the utilization of active
beam coupling and stabilization techniques offers notable advantages, particularly when …

Twin-field quantum key distribution (TF-QKD) can change the channel-loss dependence of
key rates from O (η) to O (η) and thus significantly increase the secure key rate compared …

Mode-pairing quantum key distribution (MP-QKD) holds great promise for the practical
implementation of QKD in the near future. It combines the security advantages of …

Quantum key distribution (QKD) can provide long-term security for numerous users.
Currently, quantum networks are still in the early stages of small-scale deployment, most of …