Multi-Photon, Multi-Level Dynamics in a Superconducting Persistent-Current Qubit

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dc.creatorYu, Y.
dc.creatorOliver, W. D.
dc.creatorLee, J. C.
dc.creatorBerggren, K. K.
dc.creatorLevitov, L. S.
dc.creatorOrlando, T. P.
dc.date2005-08-24
dc.date.accessioned2026-07-07T03:06:23Z
dc.date.available2026-07-07T03:06:23Z
dc.descriptionSingle-, two-, and three-photon transitions were driven amongst five quantum states of a niobium persistent-current qubit. A multi-level energy-band diagram was extracted using microwave spectroscopy, and avoided crossings were directly measured between the third and fourth excited states. The energy relaxation times between states connected by single-photon and multi-photon transitions were approximately 30 - 100 microseconds. Three-photon coherent oscillations were observed between the qubit ground and fourth excited states with a decoherence time of approximately 50 nanoseconds.
dc.description11 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0508587
dc.identifierhttp://arxiv.org/abs/cond-mat/0508587
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/26788
dc.subjectSuperconductivity
dc.titleMulti-Photon, Multi-Level Dynamics in a Superconducting Persistent-Current Qubit
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