Laser cooling of single trapped atoms to the ground state: a dark state in position space
G. Morigi, J. I. Cirac, K. Ellinger, P. Zoller
Abstract
We propose a scheme that allows to laser cool trapped atoms to the ground state of a one-dimensional confining potential. The scheme is based on the creation of a dark state by designing the laser profile, so that the hottest atoms are coherently pumped to another internal level, and then repumped back. The scheme works beyond the Lamb-Dicke limit. We present results of a full quantum treatment for a one-dimensional model.
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