Lumerical Forum

You can learn Lumerical in a classroom. You can master syntax by reading the manuals. But you cannot simulate your specific device—with its unique material anomalies and boundary condition quirks—without hitting a wall.

A novice asks: "I'm simulating a photonic crystal slab. Why are my bands different when I use Periodic vs. Bloch?" Senior members explain the nuance: "Periodic boundaries imply strict periodicity for normal incidence; Bloch boundaries are for angled injection requiring a phase shift. Here is a script to calculate the band structure for both." lumerical forum

To get the most out of the community, follow these "pro" posting tips: Attach a Minimum Working Example (MWE): If possible, upload a simplified version of your Screenshot Your Settings: You can learn Lumerical in a classroom