Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Schematic of the time-domain TES setup.
  • Fig. S2. Reproducibility of the measurements.
  • Fig. S3. Comparison between the low- and high-bandwidth data.
  • Fig. S4. Typical reflectance contrast and Raman spectra of the heterostructures.
  • Fig. S5. Analysis of the optical properties calculation.
  • Fig. S6. Determination of THz refractive index of GaP.
  • Fig. S7. Total transfer function of the setup.
  • Fig. S8. Normalized THz waveforms for representative excitation fluences.
  • Fig. S9. Reflected excitation power as a function of excitation fluence.

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