August 12, 2024 at 5:13 pm
Amrita Pati
Ansys Employee

Hi Fakhriyya,

When you select the first mode from the eigenmode solver, you have to make sure that in the "Effective Index" tab of the varFDTD simulation object:

Can you run the simulation after setting this and let me know if you see reasonable results?

Regards,
Amrita