Optical eigenmode simulation of a rib waveguide - BeamLab

Rib Waveguide Modes

This BeamLab demo calculates the field distributions and effective refractive indices of the eigenmodes of a rib waveguide.

BeamLab demo: rib_modes.m

Refractive index profile of the rib waveguide

The following figures show the three field components of the first 4 low-order modes. The white lines indicate the substrate-core and core-cladding boundaries.

Mode 1 of the rib waveguide

Mode 2 of the rib waveguide

Mode 3 of the rib waveguide

Mode 4 of the rib waveguide

About BeamLab

BeamLab is an award-winning set of simulation tools for beam propagation through optical devices and waveguides in your familiar MATLAB® environment. It offers a high flexibility in waveguide design and post-processing of any output data.