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  Cavity-Enhanced Long-Distance Coupling of an Atomic Ensemble to a Micromechanical Membrane

Vogell, B., Stannigel, K., Zoller, P., Hammerer, K., Rakher, M. T., Korppi, M., et al. (2013). Cavity-Enhanced Long-Distance Coupling of an Atomic Ensemble to a Micromechanical Membrane. Physical Review A, 87: 023816. doi:10.1103/PhysRevA.87.023816.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-EA30-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-EA31-1
Genre: Journal Article

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1301.1451 (Preprint), 2MB
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 Creators:
Vogell, B., Author
Stannigel, K., Author
Zoller, P., Author
Hammerer, K.1, Author
Rakher, M. T., Author
Korppi, M., Author
Jöckel, A., Author
Treutlein, P., Author
Affiliations:
1AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, ou_24009              

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Free keywords: Quantum Physics, quant-ph, Condensed Matter, Mesoscale and Nanoscale Physics, cond-mat.mes-hall, Condensed Matter, Quantum Gases, cond-mat.quant-gas, Physics, Atomic Physics, physics.atom-ph, Physics, Optics, physics.optics
 Abstract: We discuss a hybrid quantum system where a dielectric membrane situated inside an optical cavity is coupled to a distant atomic ensemble trapped in an optical lattice. The coupling is mediated by the exchange of sideband photons of the lattice laser, and is enhanced by the cavity finesse as well as the square root of the number of atoms. In addition to observing coherent dynamics between the two systems, one can also switch on a tailored dissipation by laser cooling the atoms, thereby allowing for sympathetic cooling of the membrane. The resulting cooling scheme does not require resolved sideband conditions for the cavity, which relaxes a constraint present in standard optomechanical cavity cooling. We present a quantum mechanical treatment of this modular open system which takes into account the dominant imperfections, and identify optimal operation points for both coherent dynamics and sympathetic cooling. In particular, we find that ground state cooling of a cryogenically pre-cooled membrane is possible for realistic parameters.

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 Dates: 2013-01-082013-02-152013
 Publication Status: Published in print
 Pages: 13 pages, 4 figures, slightly revised version
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1301.1451
DOI: 10.1103/PhysRevA.87.023816
URI: http://arxiv.org/abs/1301.1451
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Title: Physical Review A
  Other : Phys. Rev. A
Source Genre: Journal
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Publ. Info: New York, NY : Published by the American Physical Society through the American Institute of Physics
Pages: - Volume / Issue: 87 Sequence Number: 023816 Start / End Page: - Identifier: ISSN: 1050-2947
CoNE: /journals/resource/954925225012_2