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Título

Large-amplitude driving of a superconducting artificial atom

Otros títulosInterferometry, cooling, and amplitude spectroscopy
AutorOliver, William D.; Valenzuela, Sergio O.
Fecha de publicación2009
EditorSpringer
CitaciónQuantum Information Processing 8(2-3): 261-281 (2009)
ResumenSuperconducting persistent-current qubits are quantum-coherent artificial atoms with multiple, tunable energy levels. In the presence of large-amplitude harmonic excitation, the qubit state can be driven through one or more of the constituent energy-level avoided crossings. The resulting Landau-Zener- Stückelberg (LZS) transitions mediate a rich array of quantum-coherent phenomena. We review here three experimental works based on LZS transitions: Mach-Zehnder-type interferometry between repeated LZS transitions, microwave-induced cooling, and amplitude spectroscopy. These experiments exhibit a remarkable agreement with theory, and are extensible to other solid-state and atomic qubit modalities. We anticipate they will find application to qubit state-preparation and control methods for quantum information science and technology. © 2009 Springer Science+Business Media, LLC.
DescripciónarXiv:0906.0185v1
Versión del editorhttp://dx.doi.org/10.1007/s11128-009-0108-y
URIhttp://hdl.handle.net/10261/122537
DOI10.1007/s11128-009-0108-y
Identificadoresdoi: 10.1007/s11128-009-0108-y
issn: 1570-0755
e-issn: 1573-1332
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