The optical fibre is an essential tool for our communication infrastructure since it is the main
transmission channel for optical communications. The latest major advance in optical fibre …

Nowadays quantum key distribution (QKD) represents the most mature quantum technology,
and multiple countries as well as private institutions are building their quantum network …

In-field demonstrations in real-world scenarios boost the development of a rising technology
towards its integration in existing infrastructures. Although quantum key distribution (QKD) …

During the last 20 years, the advance of communication technologies has generated
multiple exciting applications. However, classical cryptography, commonly adopted to …

The secure transfer of information is critical to the ever-increasing demands of the digital
world. Continuous-variable quantum key distribution (CV-QKD) is a promising technology …

Quantum key distribution (QKD) is one quantum technology that can provide secure
encryption keys for data transmission. The secret key rate (SKR) is a core performance …

Exchanging information in the aquatic environment represents a challenging but yet
necessary task for example in military and scientific applications. Quantum cryptography is …

Multicore fibers are expected to be a game-changer in the coming decades thanks to their
intrinsic properties, allowing a larger transmission bandwidth and a lower footprint in optical …

We investigate the excess noise induced by crosstalk in a trench-assisted homogeneous 19-
core fiber for a continuous variable quantum key distribution (CV-QKD) receiver. Crosstalk is …

Quantum key distribution represents one of the most mature and well-studied advances in
quantum technologies. Many protocols have been implemented, breaking record distances …