Resolved-sideband raman cooling to the ground state of an optical lattice

S. E. Hamann, D. L. Haycock, G. Klose, P. H. Pax, I. H. Deutsch, P. S. Jessen

Research output: Contribution to journalArticlepeer-review

231 Scopus citations


We trap neutral Cs atoms in a two-dimensional optical lattice and cool them close to the zero point of motion by resolved-sideband Raman cooling. Sideband cooling occurs via transitions between the vibrational manifolds associated with a pair of magnetic sublevels, and the required Raman coupling is provided by the lattice potential itself. We obtain mean vibrational excitations n¯x≈n¯y<0.024, corresponding to a population >95% in the vibrational ground state. Atoms in the ground state of an optical lattice provide a new system in which to explore quantum state control and subrecoil laser cooling.

Original languageEnglish (US)
Pages (from-to)4149-4152
Number of pages4
JournalPhysical review letters
Issue number19
StatePublished - 1998

ASJC Scopus subject areas

  • General Physics and Astronomy


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