Controlled-NOT gates with ion traps could be implemented by only two-step laser pulses

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Published 21 January 2009 2009 IOP Publishing Ltd
, , Citation Miao Zhang et al 2009 J. Phys. B: At. Mol. Opt. Phys. 42 035501 DOI 10.1088/0953-4075/42/3/035501

0953-4075/42/3/035501

Abstract

An exact controlled-NOT gate with a single trapped cold ion is usually implemented by sequentially using three laser pulses. Here, we show that two-step laser driving is sufficient to realize such a gate, as long as the initial phases and durations of the applied laser pulses and the relevant Lamb–Dicke parameter are properly set.

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10.1088/0953-4075/42/3/035501