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  • Frontiers in Optics 2009/Laser Science XXV/Fall 2009 OSA Optics & Photonics Technical Digest
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper LSTuB2
  • https://doi.org/10.1364/LS.2009.LSTuB2

Preparation and Detection of a Mechanical Resonator Near the Ground State of Motion

Open Access Open Access

Abstract

We have cooled the motion of a radio-frequency nanomechanical resonator by parametric coupling to a driven microwave frequency superconducting resonator and have observed occupation factors as low as <N>= 3.8 +/- 1.3. We expect to find the mechanical resonator in the quantum ground state of motion with probability 0.21. We have also identified three effects which limit further cooling and will comment on the prospect of producing colder states.

© 2009 APS DLS


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