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 …

In recent years, the interdisciplinary field of quantum computing has rapidly developed and
garnered substantial interest from both academia and industry due to its ability to process …

A quantum key distribution (QKD) system must fulfill the requirement of universal
composability to ensure that any cryptographic application (using the QKD system) is also …

The study of free-space quantum communications requires tools from quantum information
theory, optics, and turbulence theory. Here we combine these tools to bound the ultimate …

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

Measurement-device-independent quantum key distribution (MDI-QKD) can remove all side-
channel attacks on detectors. In the context of the dramatic progress of discrete-variable MDI …

Quantum key distribution provides secure keys with information-theoretic security ensured
by the principle of quantum mechanics. The continuous-variable version of quantum key …

Quantum random number generators promise perfectly unpredictable random numbers. A
popular approach to quantum random number generation is homodyne measurements of …

The security of classical cryptography based on computational complexity assumptions has
been severely challenged with the rapid development of quantum computers and quantum …