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
March 2026
What's New
The 2026 R1 release of Ansys Lumerical MODE enhances photonic design with Synopsys OptoCompiler integration and PyLumerical, streamlining workflows, multiphysics simulations, and advanced component modeling for innovative telecom and semiconductor solutions.
OptoCompiler-Lumerical Synergy
Experience seamless photonic design with the Synopsys OptoCompiler-Lumerical synergy, featuring direct integration with Lumerical MODE, FDTD, and multiphysics. Accelerate telecom and semiconductor innovation using advanced photonic component modeling and simulation, ensuring efficient, high-tech solutions tailored to your needs.
PyLumerical
Automate Lumerical tools seamlessly with PyLumerical, a Python-based solution. Fully compatible with the PyAnsys ecosystem, it integrates with FDTD, MODE, Multiphysics, INTERCONNECT, and other Ansys tools like Optislang and Speos, plus open-source Python libraries. Simplify workflows and enhance multiphysics simulations with this modern, efficient approach.
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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