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FIMMWAVE

A powerful waveguide mode solver

FIMMWAVE

Feature/Option Table

Mode Solvers

Feature Base Module Complex Engine FIMMPROP Cylindrical Solvers Thermal EO Module Stress Solver FEM Solver
FMM Mode Solver - real, rectangular geometry index profiles
FMM Mode Solver - complex rectangular geometry index profiles
FDM Mode Solver - real, arbitrary geometry index profiles, diagonal anisotropic dielectric tensor
FDM Mode Solver - complex, arbitrary geometry index profiles, diagonal anisotropic dielectric tensor
FEM Mode Solver - real, arbitrary geometry index profiles, general anisotropic dielectric tensor
FEM Mode Solver - complex, arbitrary geometry index profiles, general anisotropic dielectric tensor
Effective Index Solver - real, rectangular geometry index profiles
Effective Index Solver - complex, rectangular geometry index profiles
Scalar mode solver for step-index fibre
Gaussian mode solver for fibre geometries
General Fibre Solver - arbitrary radial profile Ne(r), circularly symmetric, real index
FDM Fibre Solver - arbitrary radial profile Ne(r), circularly symmetric, real index
FDM Fibre Solver - arbitrary radial profile Ne(r), circularly symmetric, complex index

Optical Propagation Modelling

Feature Base Module Complex Engine FIMMPROP Cylindrical Solvers Thermal EO Module Stress Solver FEM Solver
Far-field Calculator
Efficient free-space propagation (waveguide-gap-waveguide geometry in FIMMPROP)
Bi-directional optical propagation
Reflections due to coatings
Propagation due to arbitrary beam input
Propagation with absorbing computational boundaries
Propagation in the presence of strongly absorbing regions (e.g. metals)

External effects: temperature, electro-optic effect, stress

Feature Base Module Complex Engine FIMMPROP Cylindrical Solvers Thermal EO Module Stress Solver FEM Solver
Heat flow calculation using 2D Poisson Solver, effect of heating on modes.
Electro-optic effect simulation with 2D anisotropic Poisson Solver, effect of E-field on modes e.g. for design of EO switches
Effects of stress on modes and propagation

Waveguide CAD tools

Feature Base Module Complex Engine FIMMPROP Cylindrical Solvers Thermal EO Module Stress Solver FEM Solver
Rectangular Geometry Waveguides
Cylindrical Geometry Waveguides
Geometrical Shapes Waveguides (ellipses, rectangles and polygons)