Quantum hologram of macroscopically entangled light via the mechanism of diffuse light storage

In this paper, we consider a quantum memory scheme for light diffusely propagating through a spatially disordered atomic gas. A unique characteristic is enhanced trapping of the signal light pulse by quantum multiple scattering, which can be naturally integrated with the mechanism of stimulated Rama...

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Veröffentlicht in:	Journal of physics. B, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2012-06, Vol.45 (12), p.124012-1-8
Hauptverfasser:	Gerasimov, L V, Sokolov, I M, Kupriyanov, D V, Havey, M D
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic states cold atoms entangled states light storage and quantum memory
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creator	Gerasimov, L V Sokolov, I M Kupriyanov, D V Havey, M D
description	In this paper, we consider a quantum memory scheme for light diffusely propagating through a spatially disordered atomic gas. A unique characteristic is enhanced trapping of the signal light pulse by quantum multiple scattering, which can be naturally integrated with the mechanism of stimulated Raman conversion into a long-lived spin coherence. Then, the quantum state of the light can be mapped onto the disordered atomic spin subsystem and can be stored in it for a relatively long time. The proposed memory scheme can be applicable for storage of the macroscopic analogue of the Ψ( − ) Bell state and the prepared entangled atomic state performs its quantum hologram, which suggests the possibility of further quantum information processing.
doi_str_mv	10.1088/0953-4075/45/12/124012
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subjects	Atomic states cold atoms entangled states light storage and quantum memory
title	Quantum hologram of macroscopically entangled light via the mechanism of diffuse light storage
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