Observation of 65 GHz Coherent Oscillation in a Superconducting Flux Qubit Manipulated by Pulses (Articolo in rivista)

Type
Label
  • Observation of 65 GHz Coherent Oscillation in a Superconducting Flux Qubit Manipulated by Pulses (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/1742-6596/507/4/042006 (literal)
Alternative label
  • Chiarello F 1, Carelli P 2, Castellano M G 1, Cosmelli C 3 and Torrioli G 1 (2014)
    Observation of 65 GHz Coherent Oscillation in a Superconducting Flux Qubit Manipulated by Pulses
    in Journal of physics. Conference series (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Chiarello F 1, Carelli P 2, Castellano M G 1, Cosmelli C 3 and Torrioli G 1 (literal)
Pagina inizio
  • 042006 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/1742-6596/507/4/042006 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 507 (literal)
Rivista
Note
  • Google Scholar (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 IFN-CNR, via Cineto Romano 42, 00156 Rome, Italy 2 DSFC, Universitá dell'Aquila, via Vetoio 1, 67100 L'Aquila, Italy 3 Dep. Physics, \"Sapienza\" Universitá di Roma, P.le A. Moro 5, 00185 Rome, Italy (literal)
Titolo
  • Observation of 65 GHz Coherent Oscillation in a Superconducting Flux Qubit Manipulated by Pulses (literal)
Abstract
  • A superconducting flux qubit can be manipulated by a fast modification of its potential, with a rapid transition from a double well to a single well shape, and coming back to the initial condition. This mechanism is based on a non-trivial quantum phenomenon, involving \"partial\" Landau-Zener transitions, coherent evolution in an harmonic potential and quantum interference. The study of this system enables a deep insight in decoherence mechanisms typical of superconducting qubits. Moreover, this procedure allows quantum operations with extreme high speeds, not possible with other standard manipulations. We present the experimental observation of coherent oscillations showing tunable frequencies with a 65 GHz top value. (literal)
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