Quick Specs
Lumerical MODE puts high-accuracy waveguide simulation at the forefront with a Finite Difference Eigenmode (FDE) solver, a variational FDTD (varFDTD) solver, and a Bidirectional Eigenmode Expansion (EME) solver.
Ansys Lumerical MODE
Optical Waveguide & Coupler Solver
Whether you are working on fiber optics or integrated photonics, MODE has everything you need to get the most out of your waveguide and coupler designs.
SOLVE THE UNSOLVABLE
Comprehensive Optical Waveguide Design Environment
MODE enables you to accurately model waveguide and coupler performance. Combining bidirectional Eigenmode expansion, varFDTD, and finite difference eigenmode solvers, MODE can easily handle both large planar structures and long propagation lengths, providing accurate spatial field, modal frequency, and overlap analysis.
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Accurately Simulate Planar Waveguides
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Compatible With Dispersive Materials
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High Accuracy With Advanced Conformal Mesh Solver
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Compatible With High-Index Contrast Materials
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2.5D varFDTD Solver -
Bend Loss Analysis -
Anisotropic Materials
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Finite Difference Eigenmode Solver -
Helical Waveguides -
Eigenmode Expansion Solver -
Foundry Compatible Automated Layer Builder
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Advanced Conformal Mesh -
Overlap Analysis -
Magneto-optical Waveguide Analysis -
Spatially Varying Temperature and Charge Density Profile Import
July 2025
What's New
The latest release of Ansys Lumerical MODE introduces new capabilities in design acceleration with Ansys Engineering Copilot and enhanced application workflows, including CAD interoperability, unlocking greater flexibility and scalability for designers of next-generation photonic systems.
Ansys Engineering Copilot in Lumerical MODE
Ansys Engineering Copilot is now integrated into Ansys Lumerical MODE, providing access to the AI assistant from within the product.
Direct Bridge with Cadence Virtuoso Improvement (back annotation)
The direct bridge between Ansys Lumerical Multiphysics / FDTD / MODE and Cadence Virtuoso now allows sending the optimized component back to the Virtuoso.
Import CAD objects in Ansys MODE
Ansys Lumerical MODE can now import CAD objects from Parasolid, SolidWorks, CATIA, Autodesk Inventor, and ACIS files.
Resources
CAPABILITIES
Lumerical MODE is a comprehensive optical waveguide design environment
Create your model faster — and with accuracy — by employing Lumerical MODE. Lumerical MODE lets you focus on ideas and product, instead of worrying about how the software can get you there. The Bidirectional Eigenmode expansion and varFDTD engines easily handle both large planar structures and long propagation lengths, providing accurate spatial field, modal frequency, and overlap analysis.
Key Features
- Bend Loss Analysis
- Overlap Calculation/Analysis
- Modal Area Analysis
- Variational FDTD Solver
- Bidirectional Eigenmode Expansion
- Layer Builder
- Lumerical connectors in Ansys optiSLang
- Ansys Engineering Copilot
White Papers
Reference Manual
Application Gallery
Ansys software is accessible
It's vital to Ansys that all users, including those with disabilities, can access our products. As such, we endeavor to follow accessibility requirements based on the US Access Board (Section 508), Web Content Accessibility Guidelines (WCAG), and the current format of the Voluntary Product Accessibility Template (VPAT).
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