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Trapped Ions, Entanglement, and Quantum Computing



C J. Myatt, B E. King, D Kielpinski, Dietrich Leibfried, C S. Turchette, Chris S. Wood, Wayne M. Itano, C Monroe, David J. Wineland


A miniature, elliptical ring rf (Paul) ion trap has been used in recent experiments toward realizing a quantum computer in a trapped ion system. With the combination fo 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 by reduced relative to the case of pure rf confinement. The presence of micromotin 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 on the amplitude of micromotion, and we propose a scheme to use this effect to differentially address the ions.
Proceedings Title
Methods for Ultrasensitive Detection | | Methods for Ultrasensitive Detection | SPIE
Conference Dates
January 1, 1998
Conference Location
Conference Title
Proceedings of SPIE--the International Society for Optical Engineering


ion traps, laser cooling and trapping, quantum computing, quantum logic


Myatt, C. , King, B. , Kielpinski, D. , Leibfried, D. , Turchette, C. , Wood, C. , Itano, W. , Monroe, C. and Wineland, D. (1998), Trapped Ions, Entanglement, and Quantum Computing, Methods for Ultrasensitive Detection | | Methods for Ultrasensitive Detection | SPIE, Undefined (Accessed April 14, 2024)
Created April 30, 1998, Updated October 12, 2021