RCWA (for Rigorously Coupled Wave Analysis) is a simulation method for electromagnetic problems. It uses a decomposition of the simulated domain on a base (here, Fourier modes) to solve Maxwell's equations and find the structure's modes.
Not yet on PyPi, will probably one day, but for the moment you can simply clone this repository
WIP
Antoine Moreau (@AnMoreau) Pauline Bennet (@Ellawin)