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 …

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

Photon echo is a fundamental tool for the manipulation of electromagnetic fields.
Unavoidable spontaneous emission noise is generated in this process due to the strong …

^151\rmEu^3+^ 151Eu^ 3+-doped yttrium silicate (^151\rmEu^3+:\rmY_2\rmSiO_5^ 151Eu^
3+: Y_2SiO_5) crystal is a unique material that possesses hyperfine states with coherence …

We report an observation of the linear Stark effect in a Tm 3+: Y 3 Al 5 O 12 crystal with the
distribution of the Stark coefficient over the ion ensemble. We associate this effect with local …

Broadband quantum memory is critical to enabling the operation of emerging photonic
quantum technology at high speeds. Here we review a central challenge to achieving …

We present an extension of the atomic frequency comb protocol that utilizes the Stark effect
to perform noise-free, on-demand, control. An experimental realization of this protocol was …

A quantum memory protocol has been implemented on the basis of the revival of silenced
echo (ROSE) in the 167Er3+: Y2SiO5 crystal at the telecommunication wavelength for input …

The ability to control microwave emission from a spin ensemble is a requirement of several
quantum memory protocols. Here, we demonstrate such ability by using a resonator whose …

We review a series of quantum memory protocols designed to store the quantum information
carried by light into atomic ensembles. In particular, we show how a simple semiclassical …