Coherent transfer of photoassociated molecules into the rovibrational ground state

Details Coherent transfer of photoassociated molecules into the rovibrational ground state Coherent transfer of photoassociated molecules into the rovibrational ground state

2010-08-30

arxiv.org/abs/1008.5034v1

Physics

Atomic Physics

4 pages, 4 figures

Scientific paper

We report on the direct conversion of laser-cooled 41K and 87Rb atoms into ultracold 41K87Rb molecules in the rovibrational ground state via photoassociation followed by stimulated Raman adiabatic passage. High-resolution spectroscopy based on the coherent transfer revealed the hyperfine structure of weakly bound molecules in an unexplored region. Our results show that a rovibrationally pure sample of ultracold ground-state molecules is achieved via the all-optical association of laser-cooled atoms, opening possibilities to coherently manipulate a wide variety of molecules.

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