Tidy3D Tutorial 7: Grid Specification in FDTD with a Directional Couplers Example

Welcome to Tutorial 7 in our FDTD Simulation Series! This episode focuses on the crucial art of Grid Specification in FDTD simulations. Learn how to fine-tune your grid to achieve the perfect balance between accuracy and computational efficiency. What You'll Learn: 🔹Understanding the importance of Grid Specification for directional couplers. 🔹Calculating effective indices of symmetric and antisymmetric modes using the ModeSolver. 🔹Exploring the nuances of UniformGrid and AutoGrid mesh types. Customizing grid for specific regions with "Override Structure". Trade-offs Discussed: 🔹Computational cost vs. simulation accuracy 🔹Uniform vs. non-uniform grid types Check out Tidy3D here: https://www.flexcompute.com/tidy3d/so... Trial Tidy3D for free here: https://tidy3d.simulation.cloud/signup #FDTD #DirectionalCouplers #GridSpecification #Simulation #Photonics #TutorialSeries