Pinning an Ion with an Intracavity Optical Lattice

Abstract

We report one-dimensional pinning of a single ion by an optical lattice. The lattice potential is produced by a standing-wave cavity along the rf-field-free axis of a linear Paul trap. The ion's localization is detected by measuring its fluorescence when excited by standing-wave fields with the same period, but different spatial phases. The experiments agree with an analytical model of the localization process, which we test against numerical simulations. For the best localization achieved, the ion's average coupling to the cavity field is enhanced from 50% to 81(3)% of its maximum possible value, and we infer that the ion is bound in a lattice well with over 97% probability.

5 pages, 4 figures; Text edited for clarity, results unchanged

References in corpus (7)

• Frenkel-Kontorova model with cold trapped ions
• The Adiabatic Invariance of the Action Variable in Classical Dynamics
• Forces between a single atom and its distant mirror image
• Quantum Phases of Trapped Ions in an Optical Lattice
• Loading of large ion Coulomb crystals into a linear Paul trap incorporating an optical cavity for cavity QED studies
• Optimized magnetic lattices for ultracold atomic ensembles
• Structural transitions of ion strings in quantum potentials

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• Speeding Up Squeezing with a Periodically Driven Dicke Model
• Injection and nucleation of topological defects in the quench dynamics of the Frenkel-Kontorova model
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• Fractal ground state of ion chains in periodic potentials
• Entanglement across sliding-pinned transition of ion chains in optical cavities
• Fokker-Planck treatment of nonlinearities in the dispersive coupling of an ion and an optical cavity