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  Quantum entanglement and teleportation in pulsed cavity-optomechanics

Hofer, S. G., Wieczorek, W., Aspelmeyer, M., & Hammerer, K. (2011). Quantum entanglement and teleportation in pulsed cavity-optomechanics. Physical Review A, 84: 052327. doi:10.1103/PhysRevA.84.052327.

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 Urheber:
Hofer, Sebastian G., Autor
Wieczorek, Witlef, Autor
Aspelmeyer, Markus, Autor
Hammerer, Klemens1, Autor
Affiliations:
1AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, ou_24009              

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Schlagwörter: Quantum Physics, quant-ph, Condensed Matter, Mesoscale and Nanoscale Physics, cond-mat.mes-hall, Physics, Optics, physics.optics
 Zusammenfassung: Entangling a mechanical oscillator with an optical mode is an enticing and yet a very challenging goal in cavity optomechanics. Here we consider a pulsed scheme to create Einstein-Podolsky-Rosen-type entanglement between a traveling-wave light pulse and a mechanical oscillator. The entanglement can be verified unambiguously by a pump-probe sequence of pulses. In contrast to schemes that work in a steady-state regime under a continuous-wave drive, this protocol is not subject to stability requirements that normally limit the strength of achievable entanglement. We investigate the protocol's performance under realistic conditions, including mechanical decoherence, in full detail. We discuss the relevance of a high mechanical Qf product for entanglement creation and provide a quantitative statement on which magnitude of the Qf product is necessary for a successful realization of the scheme. We determine the optimal parameter regime for its operation and show it to work in current state-of-the-art systems.

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 Datum: 2011-08-122011-11-242011
 Publikationsstatus: Erschienen
 Seiten: 10 pages, 2 figures
 Ort, Verlag, Ausgabe: -
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Titel: Physical Review A
  Andere : Phys. Rev. A
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: New York, NY : Published by the American Physical Society through the American Institute of Physics
Seiten: - Band / Heft: 84 Artikelnummer: 052327 Start- / Endseite: - Identifikator: ISSN: 1050-2947
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012_2