RF-driven Josephson Bifurcation Amplifier for Quantum Measurements (Articolo in rivista)

Type
Label
  • RF-driven Josephson Bifurcation Amplifier for Quantum Measurements (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.93.207002 (literal)
Alternative label
  • I. Siddiqi, R. Vijay, F. Pierre, C.M. Wilson, M. Metcalfe, C. Rigetti, L. Frunzio, M. H. Devoret (2004)
    RF-driven Josephson Bifurcation Amplifier for Quantum Measurements
    in Physical review letters (Print); The American Physical Society, College Park, MD 20740-3844 (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • I. Siddiqi, R. Vijay, F. Pierre, C.M. Wilson, M. Metcalfe, C. Rigetti, L. Frunzio, M. H. Devoret (literal)
Pagina inizio
  • 207002 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 93 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 20 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Departments of Applied Physics and Physics, Yale University, New Haven, Connecticut 06520-8284, USA (literal)
Titolo
  • RF-driven Josephson Bifurcation Amplifier for Quantum Measurements (literal)
Abstract
  • We have constructed a new type of amplifier whose primary purpose is the readout of superconducting quantum bits. It is based on the transition of a rf-driven Josephson junction between two distinct oscillation states near a dynamical bifurcation point. The main advantages of this new amplifier are speed, high sensitivity, low backaction, and the absence of on-chip dissipation. Pulsed microwave reflection measurements on nanofabricated Al junctions show that actual devices attain the performance predicted by theory. (literal)
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