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| VOLUME 119 (2024) | ISSUE 11 | PAGE 800 |
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Single-photon level quantum memory in an isotopically pure 143Nd3+:Y7LiF4 crystal
R. A. Akhmedzhanov, L. A. Gushchin, N. A. Nizov, V. A. Nizov, D. A. Sobgayda, I. V. Zelensky
Institute of Applied Physics of the Russian Academy of Sciences, 603950 Nizhny Novgorod, Russia
Abstract
In an isotopically pure 143Nd3+:Y7LiF4 crystal we demonstrate an optical quantum memory on a single photon level using the atomic frequency comb memory protocol. Using weakened laser pulses we demonstrate storage efficiency of 6.5 % with the storage time of  60
ns and signal to noise ratio of around 3.
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