Science Advances

Supplementary Materials

This PDF file includes:

  • section S1. Hamiltonian of the hybrid system
  • section S2. Cavity-magnon coupling
  • section S3. Qubit spectrum in the dispersive regime
  • section S4. Qubit spectroscopy—Magnon vacuum state
  • section S5. Qubit spectroscopy—Magnon coherent state
  • section S6. Magnon Kerr nonlinearity
  • fig. S1. Qubit-magnon hybrid system.
  • fig. S2. Experimental setup.
  • fig. S3. Cavity-magnon coupling.
  • fig. S4. Power broadening of the qubit spectrum.
  • fig. S5. Dispersive qubit-magnon interaction.
  • fig. S6. Probability distributions.
  • fig. S7. Magnon Kerr nonlinearity.
  • fig. S8. Effect of the finite Kerr nonlinearity on the magnon probability
    distribution.
  • table S1. Parameters of the hybrid system.
  • table S2. Comparison between experimental and theoretical values.
  • table S3. Linewidths of the hybrid system.
  • table S4. Experimental parameters of the measurements.
  • References (31–34)

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