Ansys Lumerical varFDTD - Solver Region, Materials, Sources and Monitors

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In this course, we will discuss the solver region, materials, sources and monitors used in varFDTD. Most of the features are similar to those in FDTD, so we will only focus on the aspects of the features that are unique to varFDTD.

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In this course, we will briefly explain what Ansys Lumerical varFDTD is and how it works. We will introduce some key example devices where the varFDTD solver can be used..

In this course, we will demonstrate how to set up and run an Ansys Lumerical varFDTD simulation of a double bus ring resonator, collect the results and discuss how the results compare to 3D FDTD simulation results.

In this course, we will discuss the effective index method used by the Ansys Lumerical varFDTD solver to collapse a 3D geometry into a 2D simulation. The course starts by describing the simulation workflow, which highlights some of the differences between varFDTD and a traditional FDTD simulation. After the workflow is introduced, more information will be provided on the algorithm used to compress the simulation into an effective 2D simulation.