Quantum networks play an extremely important role in quantum information science, with
application to quantum communication, computation, metrology, and fundamental tests. One …

Photons have been a flagship system for studying quantum mechanics, advancing quantum
information science, and developing quantum technologies. Quantum entanglement …

Future quantum networks will enable the distribution of entanglement between distant
locations and allow applications in quantum communication, quantum sensing and …

Owing to the inevitable loss in communication channels, the distance of entanglement
distribution is limited to approximately 100 kilometres on the ground. Quantum repeaters can …

Photon loss in optical fibers prevents long-distance distribution of quantum information on
the ground. Quantum repeater is proposed to overcome this problem, but the communication …

Optical photons are powerful carriers of quantum information, which can be delivered in free
space by satellites or in fibers on the ground over long distances. Entanglement of quantum …

Rare‐earth (RE) ion doped crystalline materials have a wide spectrum of applications in
lasers, amplifiers, sensors, as well as classical and quantum information processing. The …

Long-duration quantum memories for photonic qubits are essential components for
achieving long-distance quantum networks and repeaters. The mapping of optical states …

Quantum teleportation is an essential capability for quantum networks, allowing the
transmission of quantum bits (qubits) without a direct exchange of quantum information. Its …

We report on the quantum storage of a heralded frequency-multiplexed single photon in an
integrated laser-written rare-earth doped waveguide. The single photon contains 15 discrete …