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 …

A hybrid interface of solid-state single-photon sources and atomic quantum memories is a
long sought-after goal in photonic quantum technologies. Here, we demonstrate …

A quantum memory, for storing and retrieving flying photonic quantum states, is a key
interface for realizing long-distance quantum communication and large-scale quantum …

Quantum internet gives the promise of getting all quantum resources connected, and it will
enable applications far beyond a localized scenario. A prototype is a network of quantum …

Quantum memory is an important component in the long-distance quantum communication
based on the quantum repeater protocol. To outperform the direct transmission of photons …

An optical quantum memory is a device that can store photonic quantum information and
release it after a controlled time. It is an essential component for overcoming channel losses …

Quantum networks provide unique possibilities for resolving open questions on
entanglement and promise innovative applications ranging from secure communication to …

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 …