Efficient coherent internal state transfer in trapped ions using Stimulated Raman Adiabatic Passage

Abstract

We demonstrate experimentally how the process of Stimulated Raman Adiabatic Passage (STIRAP) can be utilized for efficient coherent internal state transfer in single trapped and laser-cooled ${}^{40}$Ca${}^{+}$ ions. The transfer from the D${}_{3/2}$ to the D${}_{5/2}$ state, is detected by a fluorescence measurement revealing the population not transfered to the D${}_{5/2}$ state. A coherent population transfer efficiency at the level of 95 % in a setup allowing for the internal state detection of individual ions in a string has been obtained.

4 pages, 4 figures

References in corpus (8)

• Atom--Molecule Coherence in a Bose-Einstein Condensate
• Quantum state engineering on an optical transition and decoherence in a Paul trap
• Stimulated Raman adiabatic passage from an atomic to a molecular Bose-Einstein condensate
• Robust state preparation of a single trapped ion by adiabatic passage
• Efficient coherent internal state transfer in trapped ions using Stimulated Raman Adiabatic Passage
• Lifetime measurement of the metastable 3d 2D5/2 state in the 40Ca+ ion using the shelving technique on a few-ion string
• Probabilistic state preparation of a single molecular ion by projection measurement
• Adiabatic Quantum State Manipulation of Single Trapped Atoms

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