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Title: Remote Preparation of an Atomic Quantum Memory

Abstract

Storage and distribution of quantum information are key elements of quantum information processing and future quantum communication networks. Here, using atom-photon entanglement as the main physical resource, we experimentally demonstrate the preparation of a distant atomic quantum memory. Applying a quantum teleportation protocol on a locally prepared state of a photonic qubit, we realized this so-called remote state preparation on a single, optically trapped {sup 87}Rb atom. We evaluated the performance of this scheme by the full tomography of the prepared atomic state, reaching an average fidelity of 82%.

Authors:
; ; ;  [1];  [1];  [2]
  1. Department fuer Physik, Ludwig-Maximilians Universitaet Muenchen, D-80799 Munich (Germany)
  2. (Germany)
Publication Date:
OSTI Identifier:
20955410
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review Letters; Journal Volume: 98; Journal Issue: 5; Other Information: DOI: 10.1103/PhysRevLett.98.050504; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; DATA TRANSMISSION; INFORMATION THEORY; PERFORMANCE; PHOTONS; QUANTUM ENTANGLEMENT; QUANTUM MECHANICS; QUANTUM TELEPORTATION; QUBITS; RUBIDIUM 87; TOMOGRAPHY

Citation Formats

Rosenfeld, Wenjamin, Berner, Stefan, Volz, Juergen, Weber, Markus, Weinfurter, Harald, and Max-Planck Institut fuer Quantenoptik, D-85748 Garching. Remote Preparation of an Atomic Quantum Memory. United States: N. p., 2007. Web. doi:10.1103/PHYSREVLETT.98.050504.
Rosenfeld, Wenjamin, Berner, Stefan, Volz, Juergen, Weber, Markus, Weinfurter, Harald, & Max-Planck Institut fuer Quantenoptik, D-85748 Garching. Remote Preparation of an Atomic Quantum Memory. United States. doi:10.1103/PHYSREVLETT.98.050504.
Rosenfeld, Wenjamin, Berner, Stefan, Volz, Juergen, Weber, Markus, Weinfurter, Harald, and Max-Planck Institut fuer Quantenoptik, D-85748 Garching. Fri . "Remote Preparation of an Atomic Quantum Memory". United States. doi:10.1103/PHYSREVLETT.98.050504.
@article{osti_20955410,
title = {Remote Preparation of an Atomic Quantum Memory},
author = {Rosenfeld, Wenjamin and Berner, Stefan and Volz, Juergen and Weber, Markus and Weinfurter, Harald and Max-Planck Institut fuer Quantenoptik, D-85748 Garching},
abstractNote = {Storage and distribution of quantum information are key elements of quantum information processing and future quantum communication networks. Here, using atom-photon entanglement as the main physical resource, we experimentally demonstrate the preparation of a distant atomic quantum memory. Applying a quantum teleportation protocol on a locally prepared state of a photonic qubit, we realized this so-called remote state preparation on a single, optically trapped {sup 87}Rb atom. We evaluated the performance of this scheme by the full tomography of the prepared atomic state, reaching an average fidelity of 82%.},
doi = {10.1103/PHYSREVLETT.98.050504},
journal = {Physical Review Letters},
number = 5,
volume = 98,
place = {United States},
year = {Fri Feb 02 00:00:00 EST 2007},
month = {Fri Feb 02 00:00:00 EST 2007}
}