Dear Mr. Newman,
Your comments are great and I appreciate your attention.
You are right about propagation direction in the software.
By script engine do you mean “layout script”?
With layout script I have created periodic structures such as gratings as well as other components including observation points and input illuminations.
Do you mean that I should define a waveguide for each point of my structure with desired refractive index and then in the layout script, I arranged them in the locations to create the profile?
Can I change a refractive index of a grid point in my design with scripting directly without a predefined waveguide in the “PROFILES AND MATERIALS” section?