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 …

Advances in quantum technologies are giving rise to a revolution in the way fundamental
physics questions are explored at the empirical level. At the same time, they are the seeds …

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

We present a scalable star-shaped quantum-key-distribution (QKD) optical-fiber network.
We use wavelength-division demultiplexing (WDM) of broadband photon pairs to establish …

Quantum key distribution (QKD) relies on quantum communication to allow distant parties to
share a secure cryptographic key. Widespread adoption of QKD in current …

To observe synchronization in large networks of classical or quantum systems demands
both excellent control of the interactions between nodes and very accurate preparation of …

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

Event synchronization is a ubiquitous task, with applications ranging from 5G technology to
industrial automation and smart power grids. The emergence of quantum communication …

Quantum key distribution (QKD) is a technology that allows secure key exchange between
two distant users. A widespread adoption of QKD requires the development of simple, low …

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 …