Process tomography of ion trap quantum gates

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dc.creatorRiebe, M.
dc.creatorKim, K.
dc.creatorSchindler, P.
dc.creatorMonz, T.
dc.creatorSchmidt, P. O.
dc.creatorKoerber, T. K.
dc.creatorHaensel, W.
dc.creatorHaeffner, H.
dc.creatorRoos, C. F.
dc.creatorBlatt, R.
dc.date2006-09-29
dc.date.accessioned2026-07-07T12:29:35Z
dc.date.available2026-07-07T12:29:35Z
dc.descriptionA crucial building block for quantum information processing with trapped ions is a controlled-NOT quantum gate. In this paper, two different sequences of laser pulses implementing such a gate operation are analyzed using quantum process tomography. Fidelities of up to 92.6(6)% are achieved for single gate operations and up to 83.4(8)% for two concatenated gate operations. By process tomography we assess the performance of the gates for different experimental realizations and demonstrate the advantage of amplitude--shaped laser pulses over simple square pulses. We also investigate whether the performance of concatenated gates can be inferred from the analysis of the single gates.
dc.identifierhttps://arxiv.org/abs/quant-ph/0609228
dc.identifierhttp://arxiv.org/abs/quant-ph/0609228
dc.identifierPhys. Rev. Lett. 97, 220407 (2006)
dc.identifierdoi:10.1103/PhysRevLett.97.220407
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/215928
dc.subjectQuantum Physics
dc.titleProcess tomography of ion trap quantum gates
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