In today Internet era, confidential information transmitted over an insecure channel. With the
significant development in the area of quantum computing, there is a need for unconditional …

Measurement-device-independent quantum secure direct communication (MDI-QSDC)
protocol is capable of defending against attacks on detectors by illegal parties, and its …

In this work, a one‐sided measurement‐device‐independent quantum key distribution
protocol that uses Bell and Greenberger–Horne–Zeilinger (GHZ) states is proposed. The …

One of the major problems in the field of quantum key distribution (QKD) is the low key rates
at which the systems operate. The reasons for this are the processes used to ensure the key …

Interferometric power, based on the minimal quantum Fisher information in a black-box
interferometer, can be used to measure general quantum correlation in a bipartite system …

Recently, Cui et al.[Sci. China Phys. 62, 110311 (2019)] proposed a measurement-device-
independent quantum key distribution (MDI-QKD) scheme based on high-dimensional …

A great challenge in the field of quantum cryptography is the design and implementation of
optimal quantum key distribution (QKD) scheme. An optimal scheme in terms of security is …

The paper reports a revision to the definition of efficiency (or qubit efficiency) of a quantum
key distribution (QKD) protocol, which is called total qubit efficiency. The revised efficiency is …

A common problem of a discrete-variable quantum key distribution (QKD) protocol is that
related to its key rate. This work proposes a solution to this problem: the procedure key …

This work proposes an encoding–decoding procedure, which is characterized with higher
efficiency, ie, it increases the size of the sifted key. The contribution comes from using a …