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

Quantum key distribution (QKD) provides in principle unconditional security of key sharing
based on the laws of physics only. In the last decade, several experimental and commercial …

Quantum mechanics allows distribution of intrinsically secure encryption keys by optical
means. Twin-field quantum key distribution is one of the most promising techniques for its …

Around 40 years have passed since the first pioneering works introduced the possibility of
using quantum physics to enhance communications safety. Nowadays, quantum key …

Among the most powerful techniques for the exploration of the Universe is very long
baseline interferometry (VLBI), which is based on the simultaneous observation of radio …

Integrated photonics provides a promising platform for quantum key distribution (QKD)
system in terms of miniaturization, robustness, and scalability. Tremendous QKD works …

Light carrying orbital angular momentum constitutes an important resource for both classical
and quantum information technologies. Its inherently unbounded nature can be exploited to …

Quantum-dot-based single-photon sources are key assets for quantum information
technology, supplying on-demand scalable quantum resources for computing and …

In state-of-the-art quantum key distribution systems, the main limiting factor in increasing the
key generation rate is the timing resolution in detecting photons. Here, we present and …

Field trials are of key importance for novel technologies seeking commercialization and
widespread adoption. This is also the case for quantum key distribution (QKD), which allows …