Worldwide, enormous efforts are directed toward the development of the so‐called quantum
internet. Turning this long‐sought‐after dream into reality is a great challenge that will …

Quantum key distribution (QKD) can provide fundamentally proven secure communication.
Towards application, the secret key rate (SKR) is a key figure of merit for any QKD system …

We present a quantum key distribution system with a 2.5 GHz repetition rate using a three-
state time-bin protocol combined with a one-decoy approach. Taking advantage of …

Quantum key distribution has emerged as the most viable scheme to guarantee information
security in the presence of large-scale quantum computers and, thanks to the continuous …

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

Quantum key distribution (QKD) is nowadays a well-established method for generating
secret keys at a distance in an information-theoretically secure way, as the secrecy of QKD …

The future envisaged global-scale quantum-communication network will comprise various
nodes interconnected via optical fibers or free-space channels, depending on the link …

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

High-dimensional quantum key distribution (QKD) allows achievement of information-
theoretic secure communications, providing high key-generation rates, which cannot, in …

Global quantum communications will enable long-distance secure data transfer, networked
distributed quantum information processing, and other entanglement-enabled technologies …