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Individual-Ion Addressing with Microwave Field Gradients (1210.6407v2)

Published 23 Oct 2012 in quant-ph and physics.atom-ph

Abstract: 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.

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