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Author

Yannick Augenstein

Works on software architecture, inverse design, and AI tooling for simulation-driven engineering.

Yannick works across architecture and engineering systems, with a focus on interfaces, testing, documentation, observability, and AI-assisted workflows. He also works on inverse-design and simulation tooling, especially where product needs and engineering systems intersect.

Essay

Automated "Inverse" Design of Grating Couplers for Co-Packaged Optics

How we design grating couplers for co-packaged optics with shape optimization and adjoint gradients, with a worked dual-layer example and measured dual-layer couplers from an OFC 2026 paper we co-authored with TSMC.

Tyler Hughes & Yannick Augenstein
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Case Study AI Engineering

"What Should We Work On Next?"

The story of building an 80,000-line autodiff library almost entirely through AI agents — and the verification infrastructure that made it possible.

Yannick Augenstein & Frederik Schubert
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Essay AI Engineering

The Agent Control Loop — Engineering for Tolerance

Why agent reliability isn't magic model behavior — it's an environment where correctness is continuously verified. A framework for deciding when and how to delegate to AI agents.

Frederik Schubert & Yannick Augenstein
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