Eigenmode Expansion vs Finite Difference Time Domain: Which is Better?

Video Chapters: Intro 0:12 FDTD algorithm overview 0:26 EME algorithm overview 03:31 Algorithm Summary 06:11 EME vs FDTD : Tapers and spot size converters 06:45 EME vs FDTD : Polarization converter 08:11 EME vs FDTD : MMI coupler 09:47 EME vs FDTD : Waveguide splitter 11:05 EME vs FDTD : Grating couplers 12:29 EME vs FDTD : Waveguide Bragg grating 14:26 EME vs FDTD : Fiber Bragg grating 19:10 Summary of EME vs FDTD examples 19:44 Lumerical Product overview 20:58 In this video, we compare finite difference time-domain (FDTD) and eigenmode expansion (EME) based optical methods for simulating integrated optical components. We will compare simulation times and results for a number of passive integrated optical components such as tapers, splitters, MMIs, waveguide Bragg gratings, waveguide couplers, and grating couplers.