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Schmiegelow CT, Kaufmann H, Ruster T, et al. Phase-Stable Free-Space Optical Lattices for Trapped Ions. Phys Rev Lett. 2016;116(3):033002doi: 10.1103/PhysRevLett.116.033002.
Schmiegelow, C. T., Kaufmann, H., Ruster, T., Schulz, J., Kaushal, V., Hettrich, M., Schmidt-Kaler, F., & Poschinger, U. G. (2016). Phase-Stable Free-Space Optical Lattices for Trapped Ions. Physical review letters, 116(3), 033002. https://doi.org/10.1103/PhysRevLett.116.033002
Schmiegelow, C T, et al. "Phase-Stable Free-Space Optical Lattices for Trapped Ions." Physical review letters vol. 116,3 (2016): 033002. doi: https://doi.org/10.1103/PhysRevLett.116.033002
Schmiegelow CT, Kaufmann H, Ruster T, Schulz J, Kaushal V, Hettrich M, Schmidt-Kaler F, Poschinger UG. Phase-Stable Free-Space Optical Lattices for Trapped Ions. Phys Rev Lett. 2016 Jan 22;116(3):033002. doi: 10.1103/PhysRevLett.116.033002. Epub 2016 Jan 21. PMID: 26849591.
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Phys Rev Lett. 2016 Jan 22;116(3):033002. doi: 10.1103/PhysRevLett.116.033002. Epub 2016 Jan 21.

Phase-Stable Free-Space Optical Lattices for Trapped Ions.

Physical review letters

C T Schmiegelow, H Kaufmann, T Ruster, J Schulz, V Kaushal, M Hettrich, F Schmidt-Kaler, U G Poschinger

Affiliations

  1. Institut für Physik, Universität Mainz, Staudingerweg 7, 55128 Mainz, Germany.

PMID: 26849591 DOI: 10.1103/PhysRevLett.116.033002

Abstract

We demonstrate control of the absolute phase of an optical lattice with respect to a single trapped ion. The lattice is generated by off-resonant free-space laser beams, and we actively stabilize its phase by measuring its ac-Stark shift on a trapped ion. The ion is localized within the standing wave to better than 2% of its period. The locked lattice allows us to apply displacement operations via resonant optical forces with a controlled direction in phase space. Moreover, we observe the lattice-induced phase evolution of spin superposition states in order to analyze the relevant decoherence mechanisms. Finally, we employ lattice-induced phase shifts for inferring the variation of the ion position over the 157  μm range along the trap axis at accuracies of better than 6 nm.

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