Thursday, July 4, 2013

1307.0949 (P. J. Kunert et al.)

A planar ion trap chip with integrated structures for a tailorable
magnetic field gradient

P. J. Kunert, D. Georgen, L. Bogunia, T. M. Baig, M. A. Baggash, M. Johanning, Ch. Wunderlich
We present the design, fabrication, and characterization of a segmented surface ion trap with integrated current carrying structures. The latter produce a spatially varying magnetic field necessary for magnetic gradient induced coupling between ionic effective spins. We demonstrate trapping of strings of ions, characterize the performance of the trap and map magnetic fields by radio frequency-optical double resonance spectroscopy. In addition, we apply and characterize the magnetic gradient and demonstrate individual addressing in a string of three ions using RF radiation.
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