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 doped crystals carry great prospect in develo** ensemble-based solid state
quantum memories for remote quantum communication and fast quantum processing …

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

Quantum repeaters based on heralded entanglement require quantum nodes that are able
to generate multimode quantum correlations between memories and telecommunication …

Quantum storage and distribution of entanglement are the key ingredients for realizing a
global quantum internet. Compatible with existing fiber networks, telecom-wavelength …

To advance the full potential of quantum networks one should be able to distribute quantum
resources over long distances at appreciable rates. As a consequence, all components in …

We report on the high-efficiency storage and retrieval of weak coherent optical pulses and
photonic qubits in a cavity-enhanced solid-state quantum memory. By using an atomic …

We report on the transmission of telecom photons entangled with a multimode solid-state
quantum memory over a deployed optical fiber in a metropolitan area. Photon pairs were …

Coherent light–matter interfaces are key elements for many quantum information processing
architectures. Rare-earth ion (REI)-containing systems featuring narrow inter-configurational …

Coordination complexes of rare‐earth ions (REI) show optical transitions with narrow
linewidths enabling the creation of coherent light‐matter interfaces for quantum information …