Cooling to the ground state of axial motion for one atom strongly coupled to an optical cavity

A. D. Boozer, A. Boca, R. Miller, T. E. Northup, H. J. Kimble

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Abstract

Localization to the ground state of axial motion is demonstrated for a single, trapped atom strongly coupled to the field of a high finesse optical resonator. The axial atomic motion is cooled by way of coherent Raman transitions on the red vibrational sideband. An efficient state detection scheme enabled by strong coupling in cavity QED is used to record the Raman spectrum, from which the state of atomic motion is inferred. We find that the lowest vibrational level of the axial potential with zero-point energy ωa/2kB=13μK is occupied with probability P0 0.95.

Original languageEnglish (US)
Article number083602
JournalPhysical review letters
Volume97
Issue number8
DOIs
StatePublished - 2006
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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