The rapid advancement of quantum key distribution technology in recent years has spurred
significant innovation within the field. Nevertheless, a crucial yet frequently underexplored …

Quantum key distribution (QKD) is a cryptographic technique that enables secure private key
exchange between geographically distant parties over an insecure channel, protecting …

One of the main challenges in device-independent quantum key distribution (DIQKD) is
achieving the required Bell violation over long distances, as the channel losses result in low …

Quantum Key Distribution (QKD) is a promising technology for secure communication.
Nevertheless, QKD is still treated with caution in certain contexts due to potential gaps …

The idea of post-measurement coincidence pairing simplifies substantially long-distance,
repeater-like quantum key distribution (QKD) by eliminating the need for tracking the …

Current implementations of quantum key distribution (QKD) typically rely on prepare-and-
measure (P&M) schemes. Unfortunately, these implementations are not completely secure …

In quantum key distribution, secret randomness is extracted quantum-mechanically from two-
sided local random choices of measurement bases. Subsequently, the public …

Recent advancements in quantum key distribution have led to the development of various
modulator-free transmitters. Among their advantages, these transmitters offer enhanced …

Most security proofs of quantum key distribution (QKD) assume that there is no unwanted
information leakage about the state preparation process. However, this assumption is …

Despite the challenges, several researchers from academia, business, and government are
conducting extensive research and development on quantum key distribution (QKD), a …