Quantum key distribution (QKD) constitutes a symmetric secret key negotiation protocol
capable of maintaining information-theoretic security. Given the recent advances in QKD …

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 …

The convergence of quantum cryptography with applications used in everyday life is a topic
drawing attention from the industrial and academic worlds. The development of quantum …

Concerted efforts are underway to establish an infrastructure for a global quantum Internet to
realise a spectrum of quantum technologies. This will enable more precise sensors, secure …

Quantum key distribution provides secure keys resistant to code-breaking quantum
computers. The continuous-variable version of quantum key distribution offers the …

Quantum key distribution (QKD) using weak coherent states and homodyne detection is a
promising candidate for practical quantum‐cryptographic implementations due to its …

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

A high-speed Gaussian-modulated continuous-variable quantum key distribution (CVQKD)
with a local local oscillator (LLO) is experimentally demonstrated based on pilot-tone …

We review recent results on the simulation of quantum channels, the reduction of adaptive
protocols (teleportation stretching), and the derivation of converse bounds for quantum and …