Thursday, October 25, 2012

1210.6407 (U. Warring et al.)

Individual-Ion Addressing with Microwave Field Gradients    [PDF]

U. Warring, C. Ospelkaus, Y. Colombe, R. Jördens, D. Leibfried, D. J. Wineland
Individual-qubit addressing is a prerequisite for many instances of quantum information processing. We demonstrate this capability on trapped-ion qubits with microwave near-fields delivered by electrode structures integrated into a microfabricated surface-electrode trap. We describe four approaches that may be used in quantum information experiments with hyperfine levels as qubits. We implement individual control on two 25Mg+ ions separated by 4.3 micrometer and find spin-flip crosstalk errors on the order of 10^(-3).
View original: http://arxiv.org/abs/1210.6407

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