State Tomography of Capacitively Shunted Phase Qubits with High Fidelity


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STEFFEN, Matthias, M. ANSMANN, R. MCDERMOTT, Nadav KATZ, Radoslaw C. BIALCZAK, Erik LUCERO, Matthew NEELEY, Eva M. WEIG, Andrew N. CLELAND, John M. MARTINIS, 2006. State Tomography of Capacitively Shunted Phase Qubits with High Fidelity. In: Physical Review Letters. 97(5). ISSN 0031-9007. eISSN 1079-7114

@article{Steffen2006State-25287, title={State Tomography of Capacitively Shunted Phase Qubits with High Fidelity}, year={2006}, doi={10.1103/PhysRevLett.97.050502}, number={5}, volume={97}, issn={0031-9007}, journal={Physical Review Letters}, author={Steffen, Matthias and Ansmann, M. and McDermott, R. and Katz, Nadav and Bialczak, Radoslaw C. and Lucero, Erik and Neeley, Matthew and Weig, Eva M. and Cleland, Andrew N. and Martinis, John M.} }

<rdf:RDF xmlns:rdf="" xmlns:bibo="" xmlns:dc="" xmlns:dcterms="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dc:contributor>Ansmann, M.</dc:contributor> <dc:contributor>Katz, Nadav</dc:contributor> <dc:language>eng</dc:language> <dc:contributor>McDermott, R.</dc:contributor> <dc:creator>Steffen, Matthias</dc:creator> <dc:creator>Neeley, Matthew</dc:creator> <dc:contributor>Martinis, John M.</dc:contributor> <dcterms:issued>2006</dcterms:issued> <dc:creator>Martinis, John M.</dc:creator> <dcterms:rights rdf:resource=""/> <dc:creator>Lucero, Erik</dc:creator> <dc:contributor>Neeley, Matthew</dc:contributor> <dc:contributor>Lucero, Erik</dc:contributor> <dc:creator>Weig, Eva M.</dc:creator> <dcterms:available rdf:datatype="">2013-11-28T11:48:45Z</dcterms:available> <dcterms:abstract xml:lang="eng">We introduce a new design concept for superconducting phase quantum bits (qubits) in which we explicitly separate the capacitive element from the Josephson tunnel junction for improved qubit performance. The number of two-level systems that couple to the qubit is thereby reduced by an order of magnitude and the measurement fidelity improves to 90%. This improved design enables the first demonstration of quantum state tomography with superconducting qubits using single-shot measurements.</dcterms:abstract> <dc:creator>Katz, Nadav</dc:creator> <dc:contributor>Steffen, Matthias</dc:contributor> <dcterms:title>State Tomography of Capacitively Shunted Phase Qubits with High Fidelity</dcterms:title> <dc:creator>Bialczak, Radoslaw C.</dc:creator> <dc:creator>McDermott, R.</dc:creator> <dc:contributor>Bialczak, Radoslaw C.</dc:contributor> <dc:creator>Ansmann, M.</dc:creator> <dc:creator>Cleland, Andrew N.</dc:creator> <dc:contributor>Cleland, Andrew N.</dc:contributor> <dc:rights>deposit-license</dc:rights> <bibo:uri rdf:resource=""/> <dc:contributor>Weig, Eva M.</dc:contributor> <dcterms:bibliographicCitation>Physical Review Letters : PRL ; 97 (2006), 5. - 050502</dcterms:bibliographicCitation> <dc:date rdf:datatype="">2013-11-28T11:48:45Z</dc:date> </rdf:Description> </rdf:RDF>

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