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Floquet state depletion in ac-driven circuit QED

  • Ming Bo Chen
  • , Bao Chuan Wang
  • , Sigmund Kohler
  • , Yuan Kang
  • , Ting Lin
  • , Si Si Gu
  • , Hai Ou Li
  • , Guang Can Guo
  • , Xuedong Hu
  • , Hong Wen Jiang
  • , Gang Cao
  • , Guo Ping Guo
  • University of Science and Technology of China
  • Instituto de Ciencia de Materiales de Madrid (CSIC)
  • University of California at Los Angeles
  • Origin Quantum Computing Company Limited

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

We perform Floquet spectroscopy in a GaAs double quantum dot system coupled to a high-impedance superconducting resonator. By applying microwave-induced consecutive passages under a double-resonance condition, we observe Landau-Zener-Stückelberg-Majorana interference patterns that stem from a cavity-assisted interference pattern modified by the depletion of the ground state. Our experimental results reveal the stationary state behavior of a strongly driven two-level system and are consistent with the simulations based on our theoretical model. This study provides an excellent platform for investigating the dynamics of Floquet states in the presence of strong driving.

Original languageEnglish
Article number205428
JournalPhysical Review B
Volume103
Issue number20
DOIs
StatePublished - May 28 2021

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