Quantum memory in an orthogonal geometry of silenced echo retrieval |
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Authors: | K. I. Gerasimov M. M. Minnegaliev S. A. Moiseev R. V. Urmancheev T. Chanelière A. Louchet-Chauvet |
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Affiliation: | 1.Kazan Quantum Center,Kazan National Research Technical University named after A.N. Tupolev-KAI,Kazan,Russia;2.Laboratoire Aimé Cotton,Université Paris-Sud, ENS Cachan, Université Paris-Saclay,Orsay, Cedex,France |
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Abstract: | We experimentally realize a quantum-memory protocol based on retrieval of silenced echo (ROSE) in Tm3+:Y3Al5O12 crystal in an orthogonal geometry of the signal and control light fields. The silenced echo signal revival efficiency of ~13% with 36 μs storage time is demonstrated. To achieve that we implemented a high-precision atomic coherence control via amplitude- and phase-modulated laser pulses. We also discuss capabilities of this configuration, ways to increase quantum efficiency and to combine it with a single-mode optical cavity. |
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