4.8 Article

Cavity cooling of an optically levitated submicron particle

Publisher

NATL ACAD SCIENCES
DOI: 10.1073/pnas.1309167110

Keywords

optical trapping; quantum optics; cavity optomechanics; nanoparticles; nanomechanics

Funding

  1. Austrian Science Fund (FWF)
  2. European Commission
  3. European Research Council (ERC)
  4. John Templeton Foundation [RQ-8251]
  5. European Space Agency [AO/1-6889/11/NL/CBi]
  6. Alexander von Humboldt Stiftung
  7. Doctoral Programme Complex Quantum Systems (CoQuS)
  8. Austrian Academy of Sciences through an APART Fellowship
  9. Keck Institute for Space Studies

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The coupling of a levitated submicron particle and an optical cavity field promises access to a unique parameter regime both for macroscopic quantum experiments and for high-precision force sensing. We report a demonstration of such controlled interactions by cavity cooling the center-of-mass motion of an optically trapped submicron particle. This paves the way for a light-matter interface that can enable room-temperature quantum experiments with mesoscopic mechanical systems.

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