Scalable designs for quantum computing with rare-earth-ion-doped crystals

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dc.creatorWesenberg, Janus H.
dc.creatorMoelmer, Klaus
dc.creatorRippe, Lars
dc.creatorKroell, Stefan
dc.date2006-01-20
dc.date2006-01-20
dc.date.accessioned2026-07-07T09:22:36Z
dc.date.available2026-07-07T09:22:36Z
dc.descriptionDue to inhomogeneous broadening, the absorption lines of rare-earth-ion dopands in crystals are many order of magnitudes wider than the homogeneous linewidths. Several ways have been proposed to use ions with different inhomogeneous shifts as qubit registers, and to perform gate operations between such registers by means of the static dipole coupling between the ions. In this paper we show that in order to implement high-fidelity quantum gate operations by means of the static dipole interaction, we require the participating ions to be strongly coupled, and that the density of such strongly coupled registers in general scales poorly with register size. Although this is critical to previous proposals which rely on a high density of functional registers, we describe architectures and preparation strategies that will allow scalable quantum computers based on rare-earth-ion doped crystals.
dc.descriptionSubmitted to Phys. Rev. A
dc.identifierhttps://arxiv.org/abs/quant-ph/0601141
dc.identifierhttp://arxiv.org/abs/quant-ph/0601141
dc.identifierPhys. Rev. A, 75, 012304 (2007)
dc.identifierdoi:10.1103/PhysRevA.75.012304
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/155429
dc.subjectQuantum Physics
dc.titleScalable designs for quantum computing with rare-earth-ion-doped crystals
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