High-dimensional photon states (qudits) are pivotal to enhance the information capacity,
noise robustness, and data rates of quantum communications. Time-bin entangled qudits …

Reliable long-distance distribution of entanglement is a key technique for many quantum
applications, most notably quantum key distribution. Here, we present a continuously …

Practical quantum networking architectures are crucial for scaling the connection of quantum
resources. Yet quantum network testbeds have thus far underutilized the full capabilities of …

We report on the implementation of quantum entanglement distribution and quantum state
teleportation over a 14.4 km urban dark-fiber link, which is partially underground, partially …

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 …

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

The construction of quantum circuits to simulate Hamiltonian evolution is central to many
quantum algorithms. State-of-the-art circuits are based on oracles whose implementation is …

Photonic quantum technology requires precise, time-resolved identification of
photodetection events. In distributed quantum networks with spatially separated and drifting …

Visible light communication (VLC) is a promising technology to improve the capacity of the
existing indoor wireless communication systems. However, VLC also comes with security …

Abstract Quantum Key Distribution is a major building block of Quantum cryptography. A
Quantum key is generated through the quantum particles. Quantum particles perform …