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Suppression of Ion Transport due to Long-Lived Subwavelength Localization by an Optical Lattice

Leon Karpa, Alexei Bylinskii, Dorian Gangloff, Marko Cetina, and Vladan Vuletić
Phys. Rev. Lett. 111, 163002 – Published 16 October 2013
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Abstract

We report the localization of an ion by a one-dimensional optical lattice in the presence of an applied external force. The ion is confined radially by a radio frequency trap and axially by a combined electrostatic and optical-lattice potential. Using a resolved Raman sideband technique, one or several ions are cooled to a mean vibrational number n=(0.1±0.1) along the optical lattice. We measure the average position of a periodically driven ion with a resolution down to λ/40, and demonstrate localization to a single lattice site for up to 10 ms. This opens new possibilities for studying many-body systems with long-range interactions in periodic potentials, as well as fundamental models of friction.

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  • Received 29 March 2013

DOI:https://doi.org/10.1103/PhysRevLett.111.163002

© 2013 American Physical Society

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Two Traps are Better than One

Published 16 October 2013

An atom trap consisting of both rapidly rotating electric fields and static laser fields keeps ions securely locked into place in a latticelike potential.

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Authors & Affiliations

Leon Karpa1, Alexei Bylinskii1, Dorian Gangloff1, Marko Cetina1,2, and Vladan Vuletić1,*

  • 1Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
  • 2Institute of Quantum Optics and Quantum Information, Otto-Hittmair-Platz 1, A-6020 Innsbruck, Austria

  • *vuletic@mit.edu

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Issue

Vol. 111, Iss. 16 — 18 October 2013

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