Lumerical Fdtd Tutorial — Link

Lumerical FDTD Solutions is a commercial software tool that provides a comprehensive platform for designing, simulating, and analyzing optical systems using the FDTD method. The software offers a user-friendly interface, powerful simulation capabilities, and a wide range of analysis tools.

The tutorial is realistic about what can go wrong: lumerical fdtd tutorial

Users on Ansys Innovation Space frequently highlight the "FDTD 100" introductory course as essential for beginners. It covers everything from the basic Yee cell algorithm to complex 3D geometry setup. Lumerical FDTD Solutions is a commercial software tool