Efficient photoionisation, preparation and coherent manipulation of trapped /sup 171/Yb/sup +/-ions

The authors have investigated the production of singly charged Yb/sup +/ ions by photoionisation of Yb atoms in the gas phase and compared its efficiency with the ionisation by electron collision. In order to be able to prepare Yb/sup +/ ions in arbitrary coherent superposition states (single qubit...

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Bibliographic Details
Published inEQEC '05. European Quantum Electronics Conference, 2005 p. 308
Main Authors Balzer, C., Hannemann, T., Wunderlich, C., Braun, A., Ettler, M., Paape, C., Neuhauser, W.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2005
Subjects
Electron traps
Frequency
Information processing
Ionization
Laser transitions
Logic
Optical pumping
Particle beam optics
Pulse shaping methods
Resonance
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Summary:The authors have investigated the production of singly charged Yb/sup +/ ions by photoionisation of Yb atoms in the gas phase and compared its efficiency with the ionisation by electron collision. In order to be able to prepare Yb/sup +/ ions in arbitrary coherent superposition states (single qubit gates) of the two hyperfine levels that serve as a qubit, the ions first have to be optically pumped into one of the two states, here into the S/sub 1/2/ F = 0 state, by resonantly driving the S/sub 1/2/ - P/sub 1/2/ transition.
ISBN:9780780389731
0780389735
DOI:10.1109/EQEC.2005.1567474