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  Quantum Signatures of the Optomechanical Instability

Qian, J., Clerk, A. A., Hammerer, K., & Marquardt, F. (2012). Quantum Signatures of the Optomechanical Instability. Physical Review Letters, 109: 253601. doi:10.1103/PhysRevLett.109.253601.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-EA46-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-EA47-2
Genre: Journal Article

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 Creators:
Qian, Jiang, Author
Clerk, A. A., Author
Hammerer, K.1, Author
Marquardt, Florian, Author
Affiliations:
1AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, ou_24009              

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Free keywords: Condensed Matter, Mesoscale and Nanoscale Physics, cond-mat.mes-hall,Quantum Physics, quant-ph
 Abstract: In the past few years, coupling strengths between light and mechanical motion in optomechanical setups have improved by orders of magnitude. Here we show that, in the standard setup under continuous laser illumination, the steady state of the mechanical oscillator can develop a non-classical, strongly negative Wigner density if the optomechanical coupling is large at the single-photon level. Because of its robustness, such a Wigner density can be mapped using optical homodyne tomography. These features are observed near the onset of the instability towards self-induced oscillations. We show that there are also distinct signatures in the photon-photon correlation function $g^{(2)}(t)$ in that regime, including oscillations decaying on a time scale not only much longer than the optical cavity decay time, but even longer than the \emph{mechanical} decay time.

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 Dates: 2011-12-282012-12-202012
 Publication Status: Published in print
 Pages: 6 pages
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1112.6200
DOI: 10.1103/PhysRevLett.109.253601
URI: http://arxiv.org/abs/1112.6200
 Degree: -

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Title: Physical Review Letters
Source Genre: Journal
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Publ. Info: Woodbury, N.Y., etc. : American Physical Society.
Pages: - Volume / Issue: 109 Sequence Number: 253601 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1