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dc.contributor.authorHome, J
dc.contributor.authorMcDonnell, M.
dc.contributor.authorLucas, D
dc.contributor.authorImreh, G
dc.contributor.authorKeitch, B
dc.contributor.authorSzwer, D
dc.contributor.authorThomas, N
dc.contributor.authorWebster, S
dc.contributor.authorStacey, D
dc.contributor.authorSteane, A
dc.date.accessioned2018-01-11T02:36:34Z
dc.date.available2018-01-11T02:36:34Z
dc.date.issued2006
dc.date.modified2009-12-21T03:11:14Z
dc.identifier.issn13672630
dc.identifier.doi10.1088/1367-2630/8/9/188
dc.identifier.urihttp://hdl.handle.net/10072/27805
dc.description.abstractWe have implemented a universal quantum logic gate between qubits stored in the spin state of a pair of trapped 40Ca ions. An initial product state was driven to a maximally entangled state deterministically, with 83% fidelity. We present a general approach to quantum state tomography which achieves good robustness to experimental noise and drift, and use it to measure the spin state of the ions. We find the entanglement of formation is 0.54.
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.languageEnglish
dc.language.isoeng
dc.publisherInstitute of Physics Publishing Ltd
dc.publisher.placeUnited Kingdom/Germany
dc.relation.ispartofstudentpublicationN
dc.relation.ispartofpagefrom1
dc.relation.ispartofpageto8
dc.relation.ispartofjournalNew Journal of Physics
dc.relation.ispartofvolume8
dc.rights.retentionN
dc.subject.fieldofresearchPhysical Sciences
dc.subject.fieldofresearchcode02
dc.titleDeterministic entanglement and tomography of ion–spin qubits
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
dc.description.versionVersion of Record (VoR)
gro.rights.copyright© IOP Publishing Ltd and Deutsche Physikalische Gesellschaft
gro.date.issued2006
gro.hasfulltextFull Text
gro.griffith.authorMcDonnell, Matthew


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