Modeling dispersive material in FDTD

Material dispersion is a very common phenomenon in which the material responds differently to light of different color. In this lecture, we show how to include material dispersion in FDTD simulations.

- Show how to include simple analytical dispersion relations in FDTD, illustrated by an example of simulating surface plasmon polaritonic (SPP) resonance between gold and air interface.
- Introduction to a popular method for describing material dispersion in FDTD, known as the complex-conjugate pole-residue method.
- Show how to include more complicated dispersion relations that need to be inferred from tabulated data, illustrated by an example of simulating crystalline silicon slab transmission with the help of dispersion fitting tools.

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