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Phys Rev Lett. 2015 Oct 23;115(17):173001. doi: 10.1103/PhysRevLett.115.173001. Epub 2015 Oct 19.

Rydberg Excitation of a Single Trapped Ion.

Physical review letters

T Feldker, P Bachor, M Stappel, D Kolbe, R Gerritsma, J Walz, F Schmidt-Kaler

Affiliations

  1. Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, D-55128 Mainz, Germany.
  2. Helmholtz-Institut Mainz, Johann-Joachim-Becherweg 36, D-55128 Mainz, Germany.

PMID: 26551109 DOI: 10.1103/PhysRevLett.115.173001

Abstract

We demonstrate excitation of a single trapped cold (40)Ca(+) ion to Rydberg levels by laser radiation in the vacuum ultraviolet at a wavelength of 122 nm. Observed resonances are identified as 3d(2)D(3/2) to 51F, 52F and 3d(2)D(5/2) to 64F. We model the line shape and our results imply a large state-dependent coupling to the trapping potential. Rydberg ions are of great interest for future applications in quantum computing and simulation, in which large dipolar interactions are combined with the superb experimental control offered by Paul traps.

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