Science Advances

Supplementary Materials

This PDF file includes:

  • Section S1. Perturbation theory analysis
  • Section S2. Quality factor variation versus surface roughness
  • Section S3. Surface morphology of HfO2
  • Fig. S1. Measured and simulated WGM resonances in a microtubular cavity.
  • Fig. S2. Quality factor variation (QT/Q0) as a function of surface roughness.
  • Fig. S3. Surface morphology of HfO2 characterized by SEM and AFM.
  • Reference (35)

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