Demonstration of a scalable, multiplexed ion trap for quantum information processing

  • Authors:

  • D. R. Leibrandt;J. Labaziewicz;R. J. Clark;I. L. Chuang;R. J. Epstein;C. Ospelkaus;J. H. Wesenberg;J. J. Bollinger;D. Leibfried;D. J. Wineland;D. Stick;J. Sterk;C. Monroe;C.-S. Pai;Y. Low;R. Frahm;R. E. Slusher

  • Affiliations:

  • Center for Ultracold Atoms, Research Laboratory of Electronics, & Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts;Center for Ultracold Atoms, Research Laboratory of Electronics, & Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts;Center for Ultracold Atoms, Research Laboratory of Electronics, & Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts;Center for Ultracold Atoms, Research Laboratory of Electronics, & Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts;National Institute of Standards and Technology, Boulder, Colorado;National Institute of Standards and Technology, Boulder, Colorado;National Institute of Standards and Technology, Boulder, Colorado;National Institute of Standards and Technology, Boulder, Colorado;National Institute of Standards and Technology, Boulder, Colorado;National Institute of Standards and Technology, Boulder, Colorado;University of Michigan, Ann Arbor, Michigan;University of Michigan, Ann Arbor, Michigan;University of Michigan, Ann Arbor, Michigan;Bell Laboratories, Alcatel-Lucent, Murray Hill, New Jersey;Bell Laboratories, Alcatel-Lucent, Murray Hill, New Jersey;Bell Laboratories, Alcatel-Lucent, Murray Hill, New Jersey;Georgia Tech Research Institute, Georgia Institute of Technology, Atlanta, Georgia

  • Venue:
  • Quantum Information & Computation
  • Year:
  • 2009

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Abstract

A scalable, multiplexed ion trap for quantum information processing is fabricated and tested. The trap design and fabrication process are optimized for scalability to small trap size and large numbers of interconnected traps, and for integration of control electronics and optics. Multiple traps with similar designs are tested with 111Cd+, 25Mg+, and 88Sr+ ions at room temperature and with 88Sr+ at 6 K, with respective ion lifetimes of 90 s, 300 ± 30 s, 56 ± 6 s, and 4.5 ± 1.1 hours. The motional heating rate for 25Mg+ at room temperature and a trap frequency of 1.6 MHz is measured to be 7 ± 3 quanta per millisecond. For 88Sr+ at 6 K and 540 kHz the heating rate is measured to be 220 ± 30 quanta per second.