Rapid Single-Shot Measurement of a Singlet-Triplet Qubit

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Rapid Single-Shot Measurement of a Singlet-Triplet Qubit

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dc.contributor.author Barthel, Christian
dc.contributor.author Reilly, David
dc.contributor.author Marcus, Charles Masamed
dc.contributor.author Hanson, M. P.
dc.contributor.author Gossard, Arthur
dc.date.accessioned 2011-08-15T14:06:02Z
dc.date.issued 2009
dc.identifier.citation Barthel, Christian, David Reilly, Charles M. Marcus, M. P. Hanson, and Arthur Gossard. 2009. Rapid single-shot measurement of a singlet-triplet qubit. Physical Review Letters 103(160503). en_US
dc.identifier.issn 0031-9007 en_US
dc.identifier.uri http://nrs.harvard.edu/urn-3:HUL.InstRepos:5110747
dc.description.abstract We report repeated single-shot measurements of the two-electron spin state in a GaAs double quantum dot. The readout allows measurement with a fidelity above 90% with a ∼7  μs cycle time. Hyperfine-induced precession between singlet and triplet states of the two-electron system are directly observed, as nuclear Overhauser fields are quasistatic on the time scale of the measurement cycle. Repeated measurements on millisecond to second time scales reveal the evolution of the nuclear environment. en_US
dc.description.sponsorship Physics en_US
dc.language.iso en_US en_US
dc.publisher American Physical Society en_US
dc.relation.isversionof doi:10.1103/PhysRevLett.103.160503 en_US
dash.license OAP
dc.title Rapid Single-Shot Measurement of a Singlet-Triplet Qubit en_US
dc.type Journal Article en_US
dc.description.version Accepted Manuscript en_US
dc.relation.journal Physical Review Letters en_US
dash.depositing.author Marcus, Charles Masamed
dc.date.available 2011-08-15T14:06:02Z

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