Quantum light–matter interfaces are at the heart of photonic quantum technologies.
Quantum memories for photons, where non-classical states of photons are mapped onto …

In recent years, the use of integrated technologies for applications in the field of quantum
information processing and communications has made great progress. The resulting …

An optical quantum memory can be broadly defined as a system capable of storing a
quantum state through interaction with light at optical frequencies. During the last decade …

On-chip integration of quantum optical systems could be a major factor enabling photonic
quantum technologies. Unlike the case of electronics, where the essential device is the …

Telecom-band–integrated quantum memory is an elementary building block for developing
quantum networks compatible with fiber communication infrastructures. Toward such a …

Quantum mechanics promises to have a strong impact on many aspects of research and
technology, improving classical analogues via purely quantum effects. A large variety of …

The field of optically pumped planar waveguide lasers has seen a rapid development over
the last two decades driven by the requirements of a range of applications. This sustained …

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 …

We report on the quantum storage and retrieval of photonic polarization quantum bits onto
and out of a solid state storage device. The qubits are implemented with weak coherent …

We report on experiments demonstrating the reversible mapping of heralded single photons
to long-lived collective optical atomic excitations stored in a Pr 3+: Y 2 SiO 5 crystal. A cavity …