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Phys Rev Lett. 2006 Feb 17;96(6):063603. Epub 2006 Feb 16.

Strong-field atomic phase matching.

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  • 1Department of Physics, Stony Brook University, Stony Brook, New York 11794, USA.

Abstract

We interpret a learning-control experiment with the goal of optimizing multiphoton population transfer in atomic sodium in the strong-field limit. Despite multiple experimental constraints, a learning algorithm discovers optimal pulses that can be understood in terms of a simple dynamic picture of the atom-field interaction. We show that the shaped pulses counteract the dynamic Stark-induced stimulated emission that would otherwise impede the efficient use of a pi pulse to invert a multiphoton transition.

PMID:
16605994
[PubMed]
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