Guilin Sun
Ansys Employee

yes, please refer to this exmaple  https://optics.ansys.com/hc/en-us/articles/360042165534-Planar-silicon-solar-cell

As for the diverging issue, please visit this article https://optics.ansys.com/hc/en-us/articles/8355464963987-Troubleshooting-convergence-errors-in-CHARGE

Just a reminder that the correct Ansys Community for Lumerical products  is in  the Photonics forum: /forum/forums/forum/discuss-simulation/photonics/