Quantum memory

Abstract

Quantum memory The invention relates to an assembly (11) for a quantum memory (10), the quantum memory (10) being suitable to store and retrieve a quantum information encoded into an optical signal, the assembly (11) being deprived of optical cavity and comprising: - a vacuum chamber (12), - a neutral atoms source (14) suitable to generate neutral atoms in the vacuum chamber (12), and - a magneto-optical trap generator (16) suitable to generate an elongated magneto-optical trap enabling to trap neutral atoms in the vacuum chamber (12) so as to obtain an elongated ensemble of neutral atoms elongated along a so-called elongation axis, the elongation axis being along a vertical direction, the optical signal being intended to propagate in the vacuum chamber (12) along the elongation axis, the quantum information being stored in the elongated ensemble of neutral atoms or being retrieved from the elongated ensemble of neutral atoms depending on a control signal.

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