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Ansys Learning Forum › Forums › Discuss Simulation › Photonics › 3D Doping Distribution in a Non-Uniform Width MRM in Lumerical CHARGE › Reply To: 3D Doping Distribution in a Non-Uniform Width MRM in Lumerical CHARGE

October 22, 2024 at 5:48 pm
Guilin Sun
Ansys Employee

YOu can have custom doping and import it  

https://optics.ansys.com/hc/en-us/articles/4412958409491-How-to-create-a-radial-diffusion-doping-profile-in-CHARGE

https://optics.ansys.com/hc/en-us/articles/4410310802323-How-to-add-a-constant-radial-doping-profile-in-CHARGE

if only the ring is the semiconductor, you can dope it as regular doping as non-semiconductor does not pickup any doping. Of course this will depend on your process techniques.