What is OptiMode?
OptiMode is Optiwave software designed for mode analysis of waveguide structures. The program calculates eigenmode field distributions, effective indices, propagation losses, and polarization parameters for any waveguide cross-section — uniform and graded, isotropic and anisotropic.
Mode analysis is the foundation of designing every active or passive photonic component — couplers, splitters, modulators, and waveguide lasers. OptiMode provides accurate mode profiles that can be directly imported into OptiBPM and OptiFDTD, ensuring data consistency throughout the entire design workflow.
OptiMode key features
full-vectorial Finite Difference solver for any waveguide cross-section
faster analysis for weakly guiding structures
calculation of form birefringence and material birefringence
absorption, radiation, and scattering losses
graphical waveguide profile editor with support for layers and doping
direct transfer of mode profiles for further simulations
automatic plots of effective index as a function of geometric dimensions
See OptiMode in action
OptiMode applications
| Industry / Field | Example use case |
|---|---|
| Silicon photonics | Optimizing waveguide dimensions for single-mode operation |
| Waveguide lasers | Gain analysis and oscillation conditions |
| Modulators | Calculating overlap of the optical mode with the electric field |
| Sensing | Designing sensing waveguides |
Frequently asked questions about OptiMode
How does OptiMode differ from the mode solver in OptiBPM?
OptiMode is a dedicated tool for detailed mode analysis with advanced solver and visualization options. The mode solver in OptiBPM is integrated with propagation simulation and mainly serves to generate boundary conditions for BPM.
Does OptiMode support anisotropic structures?
Yes. The program supports anisotropic materials, which is key when analyzing waveguides in LiNbO₃, GaN, and other crystals.
Are OptiMode results compatible with OptiFDTD?
Yes. Mode profiles from OptiMode can be imported as sources in OptiFDTD.
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