2. Modelling optical devices

In this chapter, we will build upon the basic concepts introduced in the tutorial chapter to model more complicated optical devices. More specifically, we will see how to calculate band diagrams for infinite periodic stacks, how to locate laser modes in arbitrary cavities and how to calculate the response to a current source inside a cavity. We will also explain how to model purely 1D planar structures, how to model semi-infinite stacks, how to input more complicated structures using geometric primitives, and how to use more complex excitations for slabs.

All of this functionality is available for both geometries (2D Cartesian, cylindrical), although the examples given are only for a single geometry.

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