Flexible Material Plugins
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Flexible Material Plugins
Certain FDTD material models such as nonlinear, negative index, or multi-level multi-electron gain models are challenging to provide in commercial software because of the flexibility that is required. A nonlinear model may be as simple as an instantaneous χ(2) or χ(3) effect, or may involve additional dispersive and anisotropic nonlinear terms. While it is relatively straightforward to provide a particular nonlinear material model appropriate for a specific application, it is a challenge to provide the wide range of different nonlinear material models that are required in general. In addition, it can be challenging to combine nonlinear responses with linear dispersion, which can be critical when considering issues such as phase matching. Lumerical’s Flexible Material Plugins provide a solution to these challenges and allow for end users or Lumerical, working either independently or in collaboration, to develop new electric and magnetic FDTD material models.
