Physics – Quantum Physics
Scientific paper
2005-08-22
Journal of Modern Optics, Volume 54, Issue 11 July 2007 , pages 1541 - 1549
Physics
Quantum Physics
Scientific paper
10.1080/09500340600741082
We report adiabatic passage experiments with a single trapped $^{40}$Ca$^+$ ion. By applying a frequency chirped laser pulse with a Gaussian amplitude envelope we reach a transfer efficiency of 0.990(10) on an optical transition from the electronic ground state S$_{1/2}$ to the metastable state D$_{5/2}$. This transfer method is shown to be insensitive to the accurate setting of laser parameters, and therefore is suitable as a robust tool for ion based quantum computing.
Blatt Rainer
Haeffner Hartmut
Haensel Wolfgang
Hannemann Th.
Koerber T.
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