Transport of quantum states and separation of ions in a dual RF ion trap

M. A. Rowe, A. Ben-Kish, B. Demarco, D. Leibfried, V. Meyer, J. Beall, J. Britton, J. Hughes, W. M. Itano, B. Jelenković, C. Langer, T. Rosenband, D. J. Wineland

Research output: Contribution to journalArticlepeer-review

Abstract

We have investigated ion dynamics associated with a dual linear ion trap where ions can be stored in and moved between two distinct locations. Such a trap is a building block for a system to engineer arbitrary quantum states of ion ensembles. Specifically, this trap is the unit cell in a strategy for scalable quantum computing using a series of interconnected ion traps. We have transferred an ion between trap locations 1.2 mm apart in 50 μs with near unit efficiency (> 106 consecutive transfers) and negligible motional heating, while maintaining internal-state coherence. In addition, we have separated two ions held in a common trap into two distinct traps.

Original languageEnglish (US)
Pages (from-to)257-271
Number of pages15
JournalQuantum Information and Computation
Volume2
Issue number4
StatePublished - Jul 1 2002
Externally publishedYes

Keywords

  • Atom trapping and cooling
  • Laser cooling
  • Quantum computation
  • Quantum state engineering
  • Trapped ions

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Statistical and Nonlinear Physics
  • Nuclear and High Energy Physics
  • Mathematical Physics
  • Physics and Astronomy(all)
  • Computational Theory and Mathematics

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