FAST, MODERN
PHOTONIC SIMULATIONS

Handle large-scale, multi-physics simulations with exceptional performance and
accuracy through the browser or python API.

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Learning Center Documentation

APPLICATION
AREAS

Active Photonic Devices
Active Photonic Devices
Fiber Optics
Fiber Optics
Inverse Design
Inverse Design
Metamaterials
Metamaterials
Nanophotonics
Nanophotonics
Photonic Circuits
Photonic Circuits
RF Devices
RF Devices
Sensors
Sensors

SOLVE LARGE-SCALE
PROBLEMS EASILY

Built to handle large-scale, our electromagnetic platform handles multi-physics simulations with high performance.

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WHY USERS
LOVE TIDY3D

With simulation results delivered in minutes using Tidy3D, Xanadu is able to rapidly iterate and adapt, enhancing their design and layout tasks and push the boundaries of quantum computing with unmatched efficiency, precision, and flexibility.

Blair Morrison logo
Blair Morrison
Head of Photonic Integration

Tidy3D has been an amazing tool for Lumotive. Saving months of time in simulations is crucial for the decisions we are making as a company. We are using the results from Tidy3D for our next-generation metasurface!

Laura Pulido-Mancera logo
Laura Pulido-Mancera
Design Engineer

As a global leader in advanced display technologies, Samsung Display has chosen Tidy3D, Flexcompute's flagship electromagnetic simulation platform, to power its next-generation optical display simulations and analyses.

 logo

Flexcompute revolutionizes the way we do simulation. Simulations that would have otherwise taken hours and days now just take seconds to minutes.

Neil Sapra logo
Neil Sapra
Photonic Design Engineer

Tidy3D has significantly improved our workflow with its exceptionally fast simulation processing times and reliable support team. It is an invaluable tool in our research and development of integrated lasers.

Mohsen Rezaei logo
Mohsen Rezaei
R&D engineer

I especially value the flexibility of Tidy3D, which is seamlessly integrated within the Python environment. This means that we are not dependent only on currently implemented software features but can extend the functionality ourselves to whatever suits our needs.

Marek Kozon logo
Marek Kozon
R&D Engineer for Computational Optics

With simulation results delivered in minutes using Tidy3D, Xanadu is able to rapidly iterate and adapt, enhancing their design and layout tasks and push the boundaries of quantum computing with unmatched efficiency, precision, and flexibility.

Blair Morrison logo
Blair Morrison
Head of Photonic Integration

Tidy3D has been an amazing tool for Lumotive. Saving months of time in simulations is crucial for the decisions we are making as a company. We are using the results from Tidy3D for our next-generation metasurface!

Laura Pulido-Mancera logo
Laura Pulido-Mancera
Design Engineer

As a global leader in advanced display technologies, Samsung Display has chosen Tidy3D, Flexcompute's flagship electromagnetic simulation platform, to power its next-generation optical display simulations and analyses.

 logo

Flexcompute revolutionizes the way we do simulation. Simulations that would have otherwise taken hours and days now just take seconds to minutes.

Neil Sapra logo
Neil Sapra
Photonic Design Engineer

Tidy3D has significantly improved our workflow with its exceptionally fast simulation processing times and reliable support team. It is an invaluable tool in our research and development of integrated lasers.

Mohsen Rezaei logo
Mohsen Rezaei
R&D engineer

I especially value the flexibility of Tidy3D, which is seamlessly integrated within the Python environment. This means that we are not dependent only on currently implemented software features but can extend the functionality ourselves to whatever suits our needs.

Marek Kozon logo
Marek Kozon
R&D Engineer for Computational Optics

TIDY3D
FEATURES

Tidy3D is a GPU-native simulation platform designed for fast and accurate modeling of photonic systems. It supports a range of multiphysics solvers and advanced features, such as adjoint inverse design, subpixel averaging, and AI-powered simulation, enabling researchers and engineers to accelerate device design and discovery.

01

All-in-One Photonic Design Platform

Tidy3D integrates multiphysics solvers, including FDTD, Heat, Mode, Charge, and EME, to support both passive and active device simulations within a single environment. Seamless integration with PhotonForge enables users to move effortlessly from individual components to full-chip designs.

02

Powerful, Precision-Engineered Features

Built on GPU-native architecture, Tidy3D delivers high-performance simulations with subpixel accuracy for nonlinear, active, and fabrication-aware designs. Advanced capabilities, combined with an AI assistant, make complex photonic modeling faster and more accessible.

03

Extensive Learning Resources

The Tidy3D Learning Center offers 250+ simulation examples, 100+ technical documents, and 70+ tutorial videos, with new content added weekly. Whether you are a beginner or an advanced user, you can quickly find relevant resources to accelerate your learning and master simulation techniques.

EDUCATION
Everything you need to go from basic concepts to advanced device design.
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WEBINAR
Listen, Learn, and Master
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AI-Assisted Simulations With Tidy3D

AI-Assisted Simulations With Tidy3D

Fabrication-Aware Inverse Design in Tidy3D

Fabrication-Aware Inverse Design in Tidy3D

Quantum and Topological Optics in Nanophotonic Structures

Quantum and Topological Optics in Nanophotonic Structures

VIDEO
In-Depth, Practical and Easily Understood
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AI-Powered Simulation

AI-Powered Simulation

Playlist By Flexcompute
Tidy3D GUI Features

Tidy3D GUI Features

Playlist By Flexcompute
Advanced Photonic Seminars

Advanced Photonic Seminars

Playlist By Flexcompute
BLOG
The Stories of Simulation Technology
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How To Use FlexAgent MCP Within Cursor

How To Use FlexAgent MCP Within Cursor

3 Nov 2025 By Emerson Melo, PhD
What Is FlexAgent MCP

What Is FlexAgent MCP

3 Nov 2025 By Frederik Schubert, Ph.D.
How SCINTIL Photonics Is Enabling Dense Multi-Wavelength Laser Sources for Data Centers

How SCINTIL Photonics Is Enabling Dense Multi-Wavelength Laser Sources for Data Centers

28 Oct 2025 By Tom Chen, PhD
CASE STUDY
Real-World Applications of Tidy3D
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A Highly Efficient Spatial Light Modulator

A Highly Efficient Spatial Light Modulator

10 Jun 2025 By Tom Chen, PhD
From Intuition to Precision: How Tidy3D Empowered Lumotive's Breakthrough in LiDAR 2.0

From Intuition to Precision: How Tidy3D Empowered Lumotive's Breakthrough in LiDAR 2.0

6 Jun 2025 By Tom Chen, PhD
Research Highlight: Scale-invariant Dielectric Waveguide

Research Highlight: Scale-invariant Dielectric Waveguide

6 Jun 2025 By Tom Chen, PhD

TECHNICAL SUPPORT

Tidy3D Customer Technical Support

If you encounter any technical difficulties or have inquiries related to using Tidy3D, kindly submit a Customer Technical Support form below.

To ensure efficient assistance, please provide a thorough description of the issue or question, along with relevant screenshots or a link to a Loom Recording.

As a token of our appreciation, for well-documented and confirmed bug reports, we will reward you with up to 50 FlexCredits for verified bug reports.

Tidy3D

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