Predict and Perfect
PreFab is a virtual nanofab designed to add fabrication-awareness to photonic integrated circuit design.
Available as a Python package
pip install prefab
Primary features
The Virtual Photonics Nanofab
Prediction of fabrication
Anticipate variations to facilitate rapid prototyping and assess performance before fabrication.
Correction of fabrication
Automatically optimize designs to ensure fabricated results match your vision, reducing discrepancies.
Rapid results
Modern cloud GPUs return predictions in seconds.
Certain uncertainty
Quantify and mitigate fabrication-induced stochastic variations.
3D geometries
Predict and compensate for sidewall angle variation.
Fab-specific models
Utilize models specific to your fabrication process.
User interface (API)
Precision Engineering With Python
PreFab Code Snippets
# Run predictions in 4 lines of code (and within seconds)
import prefab as pf
device = pf.shapes.target(width=300, arm_width=60)
model = pf.models["ANT_NanoSOI"] # <- choose your fab model
prediction = device.predict(model=model)
The core technology
Foundry-specific models
We create virtual models simulating nanofabrication processes from various foundries, each with unique features.
EBL SOI
Read MorePrecision electron-beam lithography for rapid prototyping in silicon photonics, ensuring minimal variation and vertical sidewalls.
EBL SiN
Read MoreAdvanced, low-loss silicon nitride process utilizing electron-beam lithography, characterized by its angled sidewalls.
DUV SOIComing Soon
High-volume silicon photonics via deep ultraviolet lithography, offering high stability, lower fidelity, and angled sidewalls.
Pricing
Add PreFab to Your Workflow
Choose the perfect plan for your needs. All plans include full access to PreFab's core features.
Community
For open source projects and individual researchers. Free
- >Access open prediction models
- >Basic API access
Pro
For advanced designers and small teams. Coming soon
- >Everything in Community
- >Access to advanced models
- >Advanced API features
- >Priority support
Enterprise
For organizations requiring custom solutions and support.
- >Everything in Pro
- >Tailored prediction models
- >Custom workflow integrations
- >Advanced data security
- >Dedicated support
Stay updated
Latest From PreFab
Fabrication-Aware Design
Learn how to use fabrication-aware design to optimize your photonic devices.
Published on: 2025-01-16
Fabrication-Aware Inverse Design
Inverse design with fabrication awareness built into the optimization loop.
Published on: 2024-12-30
Simulating Predicted Photonic Devices
Simulate and compare the performance of a prediction of fabrication for a Bragg grating.
Published on: 2024-11-06
Python for Photonics Development
Explore Python tools and libraries for efficient photonics development.
Published on: 2024-10-10
AI-Generated SEM Images
See the power of computer vision by generating synthetic SEM images.
Published on: 2024-10-01
PreFab v1.1.0 Release
PreFab v1.1.0 is now available! See what's new and how to get it.
Published on: 2024-09-23
PreFab(ricate) With Us
Add fabrication-awareness to your designs.