Manipulating mesoscopic multipartite entanglement with atom-light interfaces

J. Stasińska; C. Rodó; S. Paganelli; G. Birkl; A. Sanpera

doi:https://doi.org/10.1103/PhysRevA.80.062304

Manipulating mesoscopic multipartite entanglement with atom-light interfaces

J. Stasińska, C. Rodó, S. Paganelli, G. Birkl, A. Sanpera

Research output: Contribution to journal › Article › Research › peer-review

5 Citations (Scopus)

Abstract

Entanglement between two macroscopic atomic ensembles induced by measurement on an ancillary light system has proven to be a powerful method for engineering quantum memories and quantum state transfer. Here we investigate the feasibility of such methods for generation, manipulation, and detection of genuine multipartite entanglement (Greenberger-Horne-Zeilinger and clusterlike states) between mesoscopic atomic ensembles without the need of individual addressing of the samples. Our results extend in a nontrivial way the Einstein-Podolsky-Rosen entanglement between two macroscopic gas samples reported experimentally in. We find that under realistic conditions, a second orthogonal light pulse interacting with the atomic samples, can modify and even reverse the entangling action of the first one leaving the samples in a separable state. © 2009 The American Physical Society.

Original language	English
Article number	062304
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	80
DOIs	https://doi.org/10.1103/PhysRevA.80.062304
Publication status	Published - 2 Dec 2009

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abstract = "Entanglement between two macroscopic atomic ensembles induced by measurement on an ancillary light system has proven to be a powerful method for engineering quantum memories and quantum state transfer. Here we investigate the feasibility of such methods for generation, manipulation, and detection of genuine multipartite entanglement (Greenberger-Horne-Zeilinger and clusterlike states) between mesoscopic atomic ensembles without the need of individual addressing of the samples. Our results extend in a nontrivial way the Einstein-Podolsky-Rosen entanglement between two macroscopic gas samples reported experimentally in. We find that under realistic conditions, a second orthogonal light pulse interacting with the atomic samples, can modify and even reverse the entangling action of the first one leaving the samples in a separable state. {\textcopyright} 2009 The American Physical Society.",

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AU - Rodó, C.

AU - Paganelli, S.

AU - Birkl, G.

AU - Sanpera, A.

PY - 2009/12/2

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AB - Entanglement between two macroscopic atomic ensembles induced by measurement on an ancillary light system has proven to be a powerful method for engineering quantum memories and quantum state transfer. Here we investigate the feasibility of such methods for generation, manipulation, and detection of genuine multipartite entanglement (Greenberger-Horne-Zeilinger and clusterlike states) between mesoscopic atomic ensembles without the need of individual addressing of the samples. Our results extend in a nontrivial way the Einstein-Podolsky-Rosen entanglement between two macroscopic gas samples reported experimentally in. We find that under realistic conditions, a second orthogonal light pulse interacting with the atomic samples, can modify and even reverse the entangling action of the first one leaving the samples in a separable state. © 2009 The American Physical Society.

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