A Bose-Einstein condensate in an optical lattice

doi:10.1088/0953-4075/35/14/307

A Bose-Einstein condensate in an optical lattice

J Hecker Denschlag et al 2002 J. Phys. B: At. Mol. Opt. Phys. 35 3095-3110 doi: 10.1088/0953-4075/35/14/307

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J Hecker Denschlag¹, J E Simsarian², H Häffner¹, C McKenzie, A Browaeys, D Cho³, K Helmerson, S L Rolston and W D Phillips
National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
¹ Present address: Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25, A-6020 Innsbruck, Austria.
² Present address: Bell Laboratories, Lucent Technologies, Holmdel, NJ 07733, USA.
³ Present address: Department of Physics, Korea University, 5-1 Ka Anam-dong, Sungbuk-ku, Seoul 136-701, Korea.

Abstract. We have performed a number of experiments with a Bose-Einstein condensate (BEC) in a one-dimensional optical lattice. Making use of the small momentum spread of a BEC and standard atom optics techniques, a high level of coherent control over an artificial solid-state system is demonstrated. We are able to load the BEC into the lattice ground state with a very high efficiency by adiabatically turning on the optical lattice. We coherently transfer population between lattice states and observe their evolution. Methods are developed and used to perform band spectroscopy. We use these techniques to build a BEC accelerator and a novel, coherent, large-momentum-transfer beam-splitter.

Print publication: Issue 14 (28 July 2002)
Received 30 May 2002
Published 3 July 2002

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A Bose-Einstein condensate in an optical lattice

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