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Deng C, Orgiazzi JL, Shen F, et al. Observation of Floquet States in a Strongly Driven Artificial Atom. Phys Rev Lett. 2015;115(13):133601doi: 10.1103/PhysRevLett.115.133601.
Deng, C., Orgiazzi, J. L., Shen, F., Ashhab, S., & Lupascu, A. (2015). Observation of Floquet States in a Strongly Driven Artificial Atom. Physical review letters, 115(13), 133601. https://doi.org/10.1103/PhysRevLett.115.133601
Deng, Chunqing, et al. "Observation of Floquet States in a Strongly Driven Artificial Atom." Physical review letters vol. 115,13 (2015): 133601. doi: https://doi.org/10.1103/PhysRevLett.115.133601
Deng C, Orgiazzi JL, Shen F, Ashhab S, Lupascu A. Observation of Floquet States in a Strongly Driven Artificial Atom. Phys Rev Lett. 2015 Sep 25;115(13):133601. doi: 10.1103/PhysRevLett.115.133601. Epub 2015 Sep 24. PMID: 26451555.
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Phys Rev Lett. 2015 Sep 25;115(13):133601. doi: 10.1103/PhysRevLett.115.133601. Epub 2015 Sep 24.

Observation of Floquet States in a Strongly Driven Artificial Atom.

Physical review letters

Chunqing Deng, Jean-Luc Orgiazzi, Feiruo Shen, Sahel Ashhab, Adrian Lupascu

Affiliations

  1. Institute for Quantum Computing, Department of Physics and Astronomy, and Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1.
  2. Institute for Quantum Computing, Department of Electrical and Computer Engineering, and Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1.
  3. Qatar Environment and Energy Research Institute (QEERI), HBKU, Qatar Foundation, Doha, Qatar.

PMID: 26451555 DOI: 10.1103/PhysRevLett.115.133601

Abstract

We present experiments on the driven dynamics of a two-level superconducting artificial atom. The driving strength reaches 4.78 GHz, significantly exceeding the transition frequency of 2.288 GHz. The observed dynamics is described in terms of quasienergies and quasienergy states, in agreement with Floquet theory. In addition, we observe the role of pulse shaping in the dynamics, as determined by nonadiabatic transitions between Floquet states, and we implement subnanosecond single-qubit operations. These results pave the way to quantum control using strong driving with applications in quantum technologies.

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