Trapped ions, entanglement, and quantum computing

Christopher John Myatt; B. E. King; D. Kielpinski; D. Leibfried; Q. A. Turchette; C. S. Wood; Wayne M. Itano; Christopher R. Monroe; David J. Wineland

doi:10.1117/12.308371

15 May 1998 Trapped ions, entanglement, and quantum computing

Christopher John Myatt, B. E. King, D. Kielpinski, D. Leibfried, Q. A. Turchette, C. S. Wood, Wayne M. Itano, Christopher R. Monroe, David J. Wineland

Author Affiliations +

Proceedings Volume 3270, Methods for Ultrasensitive Detection; (1998) https://doi.org/10.1117/12.308371
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

A miniature, elliptical ring rf ion trap has been sued in recent experiments toward realizing a quantum computer in a trapped ion system. With the combination of small spatial dimensions and high rf drive potentials, around 500 V amplitude, we have achieved secular oscillation frequencies in the range of 5-20 MHz. The equilibrium positions of pairs of ions that are crystallized in this trap lie along the long axis of the ellipse. By adding a static potential to the trap, the micromotion of two crystallized ions may be reduced relative to the case of pure rf confinement. The presence of micromotion reduces the strength of internal transitions in the ion, an effect that is characterized by a Debye-Waller factor, in analogy with the reduction of Bragg scattering at finite temperature in a crystal lattice. We have demonstrated the dependence of the rates of internal transitions on the amplitude of micromotion, and we propose a scheme to use this effect to differentially address the ions.

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Christopher John Myatt, B. E. King, D. Kielpinski, D. Leibfried, Q. A. Turchette, C. S. Wood, Wayne M. Itano, Christopher R. Monroe, and David J. Wineland "Trapped ions, entanglement, and quantum computing", Proc. SPIE 3270, Methods for Ultrasensitive Detection, (15 May 1998); https://doi.org/10.1117/12.308371

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