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

Distributed quantum metrology has drawn intense interest as it outperforms the optimal
classical counterparts in estimating multiple distributed parameters. However, most schemes …

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 …

Secure communication makes the widespread use of telecommunication networks and
services possible. With the constant progress of computing and mathematics, new …

Quantum key distribution (QKD) has matured in recent years from laboratory proof-of-
principle demonstrations to commercially available systems. One of the major bottlenecks is …

Long-distance entanglement distribution is the key task for quantum networks, enabling
applications such as secure communication and distributed quantum computing. In this …

The quantum internet is on the cusp of a revolution. While it shares the same purpose as the
classical internet—connecting devices and transmitting information, the underlying principle …

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

The distribution of high-fidelity high-rate entanglement over telecommunication infrastructure
is one of the main paths toward large-scale quantum networks, enabling applications such …

We may soon see agencies offering public access to quantum communication networks. In
such networks it may be a feature that certain resources are available only to priority users …