Coherent transition between adjacent Zeeman sublevels in an alkali-metal atom without populating other sublevels

Huidong Kim, Hyok Sang Han, Jinsin Park, Young Sik Kim, D. Cho

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1 Citation (Scopus)

Abstract

We report on a spectroscopic method to coherently drive a selective transition between two levels in a ladder system of equally spaced energy levels. A typical example of such a ladder system is a set of Zeeman sublevels in the same hyperfine level of a ground-state alkali-metal atom. The scheme is based on a stimulated Raman transition with a Zeeman sublevel belonging to the other hyperfine level as an intermediate state. We identify quantization conditions on a single-photon detuning and Rabi frequencies for either a π/2 or a π transition between adjacent Zeeman sublevels without populating the intermediate state. We experimentally demonstrate the scheme using lithium atoms in an optical trap. Application of the scheme includes manipulating a pair of Zeeman sublevels as a quantum bit or probing Zeeman coherence established by coherent population trapping.

Original languageEnglish
Article number061404
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume88
Issue number6
DOIs
Publication statusPublished - 2013 Dec 16

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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