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Scalable arrays of doped silicon RF Paul traps



Joseph W. Britton, Dietrich G. Leibfried, James A. Beall, Brad R. Blakestad, Janus H. Wesenberg, David J. Wineland


We report techniques for the fabrication of multi-zone linear RF Paul traps which exploit the machinability and electrical conductivity of bulk doped silicon. The approach was verified by trapping and Doppler cooling 24Mg+ ions in two trap geometries: a single-zone 2-layer trap and a multi-zone surface-electrode trap. From the measured ion motional heating rate we determine an electric field spectral density at the ion of approximately 1 × 10-10 (V /m)2 Hz−1 at ωz /2π {math equals} 1.125 MHz when the ion lies 40 υm above the electrode surface. One application of these devices is controlled manipulation of atomic ion qubits, the basis of one form of quantum information processing.
Applied Physics Letters


atomic physics, ion trapping, laser cooling, microfabrication, quantum computation, quantum information, quantum state engineering


Britton, J. , Leibfried, D. , Beall, J. , Blakestad, B. , Wesenberg, J. and Wineland, D. (2009), Scalable arrays of doped silicon RF Paul traps, Applied Physics Letters, [online], (Accessed April 21, 2024)
Created October 26, 2009, Updated August 13, 2018