Thank you very much for the reply. I will try to implement it this way and will provide updates if successful.
Sent: 15 December 2020 23:43 Subject: Re: [Meep-discuss] Coordinate transform and nonlinear materials You have to modify the math to handle nonlinear materials in transformation optics; there was a recent paper on this: https://www.nature.com/articles/s41598-018-22215-x
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