Tidy3D Tutorial 6: Mastering Monitors in FDTD Simulations with Grating Couplers Example

Welcome back to Tutorial 6 of our FDTD Simulation Series! Today, we dive deep into setting up and interpreting various types of monitors for FDTD simulations, using a focusing grating coupler as our case study.

What You'll Learn:
🔹Understanding the importance of monitors in FDTD simulations.
🔹Setting up a "ModeMonitor" to calculate coupling efficiency.
🔹Using "FluxMonitors" to measure power losses and reflections.
🔹Configuring "FieldMonitors" for spatial and temporal analysis.

Tools & Techniques Covered:
🔹Wavelength and frequency points adjustments.
🔹Mode and frequency domain field monitoring.
🔹Spectral range settings.
🔹Downsampling for memory efficiency.

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