region= waveguide, time_step=0.01e-15, spatial_step=20e-9, boundary_conditions="PML
air = Material(
Once you have set up your simulation, you can run it using the button. The simulation will solve Maxwell’s equations using the FDTD algorithm, and the results will be stored in the Results section.
name="air", n=1.0, k=0.0 ) sim = Simulation(