Tunable source of correlated atom beams

Abstract

We use a one-dimensional optical lattice to modify the dispersion relation of atomic matter waves. Four-wave mixing in this situation produces atom pairs in two well defined beams. We show that these beams present a narrow momentum correlation, that their momenta are precisely tunable, and that this pair source can be operated both in the regime of low mode occupancy and of high mode occupancy.

References in corpus (8)

• Twin matter waves for interferometry beyond the classical limit
• Observation of atom pairs in spontaneous four wave mixing of two colliding Bose-Einstein Condensates
• Violation of the Cauchy-Schwarz inequality with matter waves
• Sub-Poissonian number differences in four-wave mixing of matter waves
• Einstein-Podolsky-Rosen correlations from colliding Bose-Einstein condensates
• Hanbury Brown and Twiss correlations in atoms scattered from colliding condensates
• Dynamics of parametric matter wave amplification
• Bose-Einstein Condensation and Spin Mixtures of Optically Trapped Metastable Helium

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