How to add VO2 in lumerical FDTD?

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Farhan Ali

You need to upload the material data (as sample data), and fit that to the FDTD model (in the Material explorer).

Dedi Riana

you can import the refractive index data of VO2

maybe this paper can help you

Wan, C., Zhang, Z., Woolf, D., Hessel, C. M., Rensberg, J., Hensley, J. M., ... & Kats, M. A. (2019). On the optical properties of thin‐film vanadium dioxide from the visible to the far infrared. Annalen der Physik, 531(10), 1900188.