Annales de Physique

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Ann. Phys. Fr., Vol. 32, N°2-3 2007, pp. 25-31
DOI: 10.1051/anphys:2008002

From optical to terahertz, frequency metrology with a single ion

C. Champenois, G. Hagel, M. Houssin, M. Knoop, M. Vedel, C. Zumsteg and F. Vedel

Physique des Interactions Ioniques et Moléculaires (CNRS UMR 6633), Université de Provence, Centre de Saint Jérôme, Case C21, 13397 Marseille Cedex 20, France

Published online: 23 May 2008

Abstract
This talk presents experimental realisations towards an optical frequency standard based on a single trapped calcium ion. These realizations concern the control on the ion motion in the radiofrequency trap and the frequency stabilization of the clock laser. Finally, new perspectives opened by a three photon coherent process in trapped ions are studied in the prospect of terahertz metrology.