Communication security has to evolve to a higher plane in the face of the threat from the
massive computing power of the emerging quantum computers. Quantum secure direct …

Secure communication has achieved a new dimension with the advent of the schemes of
quantum key distribution (QKD) as in contrast with classical cryptography, quantum …

Quantum secure direct communication (QSDC) that allows people to directly transmit
confidential information through insecure channels is an important branch of quantum …

Quantum secure direct communication (QSDC) realizes the transmission of secret
messages directly in a quantum channel. A continuous-variable-(CV) based quantum …

To achieve unconditional security through quantum key distribution (QKD), users involved in
key distribution first need to authenticate each other. Classical identity authentication …

Quantum secure direct communication (QSDC) can transmit secret messages without keys,
making it an important branch of quantum communication. We present a hybrid …

Quantum secure direct communication (QSDC) is a method of communication that transmits
secret information directly through a quantum channel. This paper proposes a two-step …

Major research interests on quantum key distribution (QKD) are primarily focused on
increasing 1. Point-to-point transmission distance (1000 km). 2. Secure key rate (Mbps). 3 …

Aiming at the high cost of quantum equipment and the difficulty of preparing discrete
variable quantum states, a measurement-device-independent continuous variable semi …

In this paper, a continuous variable B92 quantum key distribution protocol is proposed using
single photon added and subtracted coherent states, which are prepared by adding and …