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Broadband Quantum Memory in Atomic Barium Vapor with 95% Storage Efficiency

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Abstract

We measure 95.6±0.3% storage efficiency of ultrafast photons in a collisionally broadened barium vapor quantum memory. We measure 31±1% total efficiency, limited by control field power, and a 0.515(6) ns lifetime, limited by motional dephasing.

© 2023 The Author(s)

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