Chances are, someone in Zurich, Austin, or Seoul has already made that exact mistake—and they are waiting to tell you how they fixed it. Have you had a "forum saves my thesis" moment? The community is waiting.
A few months ago, a student posted a garbled attempt to simulate a Bragg grating. Instead of deleting it, a moderator replied: "Your boundary conditions are wrong, but your intuition is right. Try a finer mesh here." That student later returned as a contributor, paying it forward. lumerical forum
Why? Because photonics is hard. Unlike circuit simulation, where "ground" is a safe assumption, in FDTD (Finite-Difference Time-Domain) solutions, everything is boundary conditions and mesh order. Chances are, someone in Zurich, Austin, or Seoul
In the world of photonics simulation, there is no such thing as a trivial problem. A few months ago, a student posted a