Designing a Metalens in VirtualLab Fusion

This tutorial walks you through the complete design and simulation workflow for a metalens in VirtualLab Fusion. A metalens is realized as an Optical Digital Twin – an intelligent replica that encapsulates its own simulation model – and can be accessed via the Digital Twin Hub.

The workflow consists of four main steps:

1. Configure the metalens – specify the optical environment and define the target phase profile
2. Create a surrogate model – define the meta-atom parameter space and train the neural network
3. Design and simulate – map the phase profile to discrete meta-atoms and analyze performance
4. Export the structure – generate a GDSII file for fabrication

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