Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

In principle, quantum key distribution (QKD) offers information-theoretic security based on
the laws of physics. In practice, however, the imperfections of realistic devices might …

Quantum secure direct communication (QSDC) is a unique technique, which supports the
secure transmission of confidential information directly through a quantum channel without …

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 …

Quantum secure direct communication (QSDC) leverages quantum states to transmit
information securely and reliably over a noisy, lossy, and wiretapped quantum channel. It …

Security loopholes exploiting the flaws of practical apparatus, especially non-ideal photon
detectors, are pressing issues in practical quantum communication. We propose a simple …

Quantum secure direct communication (QSDC) transmits secret messages directly over a
quantum channel without the prior distribution of a key. Here, we apply Wyner's wiretap …

We report an experimental implementation of free-space quantum secure direct
communication based on single photons. The quantum communication scheme uses phase …

Multiparty quantum communication ensures information-theoretic security for transmitting
private information among multiuser networks. In principle, measurement-device …

Quantum secure direct communication provides a direct means of conveying secret
information via quantum states among legitimate users. The past two decades have …