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Pulse imaging and nonadiabatic control of solid-state artificial atoms

AuthorsBylander, Jonas; Rudner, Mark S.; Shytov, A. V.; Valenzuela, Sergio O. ; Berns, David M.; Berggren, Karl K.; Levitov, Leonid S.; Oliver, William D.
Issue Date2009
PublisherAmerican Physical Society
CitationPhysical Review B 80(22): 220506(R) (2009)
AbstractTransitions in an artificial atom, driven nonadiabatically through an energy-level avoided crossing, can be controlled by carefully engineering the driving protocol. We have driven a superconducting persistent-current qubit with a large-amplitude radio-frequency field. By applying a biharmonic wave form generated by a digital source, we demonstrate a mapping between the amplitude and phase of the harmonics produced at the source and those received by the device. This allows us to image the actual wave form at the device. This information is used to engineer a desired time dependence, as confirmed by the detailed comparison with a simulation. © 2009 The American Physical Society.
DescriptionUnder the terms of the Creative Commons Attribution License 3.0 (CC-BY).
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevB.80.220506
Identifiersdoi: 10.1103/PhysRevB.80.220506
issn: 1098-0121
e-issn: 1550-235X
Appears in Collections:(CIN2) Artículos
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