Abstract
We demonstrated a photon echo quantum memory for weak input optical pulses on the ROSE protocol in a Tm3+:Y3Al5O12 crystal placed in impedance-matched optical cavity. The quantum efficiency of 21% for a storage of time of 36 µs was achieved for single light pulses.
Highlights
Active development of optical quantum technologies including optical quantum computing and long range quantum communications stimulates the creation of quantum memory (QM)
In this work for the first time we experimentally realized revival of silenced echo (ROSE) protocol in a Tm3+:Y3Al5O12 crystal placed in a concentric optical cavity
The concentric optical cavity was constructed from two spherical dielectric mirrors with reflection coefficients of R1=70% for the front mirror and R2 100% for back mirror
Summary
Active development of optical quantum technologies including optical quantum computing and long range quantum communications stimulates the creation of quantum memory (QM). In this work for the first time we experimentally realized ROSE protocol in a Tm3+:Y3Al5O12 crystal placed in a concentric optical cavity. As in previous work [6] we used 3H6-3H4 optical transition (λ = 793 nm) of thulium ions with concentration of 0.1% and orthogonal geometry for propagation of signal and control fields in the cavity.
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