Large-amplitude driving of a superconducting artificial atom

Large-amplitude driving of a superconducting artificial atom Superconducting 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Large-amplitude driving of a superconducting artificial atom

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Publisher
Springer US
Copyright
Copyright © 2009 by Springer Science+Business Media, LLC
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-009-0108-y
Publisher site
See Article on Publisher Site

References

  • Superconducting quantum bits
    Clarke, J.; Wilhelm, F.K.
  • Josephson persistent-current qubit
    Mooij, J.E.; Orlando, T.P.; Levitov, L.S.; Tian, L.; Wal, C.H.; Lloyd, S.
  • Amplitude spectroscopy of a solid-state artificial atom
    Berns, D.M.; Rudner, M.S.; Valenzuela, S.O.; Berggren, K.K.; Oliver, W.D.; Levitov, L.S.; Orlando, T.P.
  • Generation of Fock states in a superconducting quantum circuit
    Hofheinz, M.; Weig, E.M.; Ansmann, M.; Bialczak, R.C.; Lucero, E.; Neeley, M.; O’Connell, A.D.; Wang, H.; Martinis, J.M.; Cleland, A.N.
  • Flux-driven Josephson parametric amplifier
    Yamamoto, T.; Inomata, K.; Watanabe, M.; Matsuba, K.; Miyazaki, T.; Oliver, W.D.; Nakamura, Y.; Tsai, J.S.

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