Author

Yeonsang Park

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Preprint Sep 2026

Inverse design of large-scale freeform meta-optics by breaking the memory wall of full-wave simulation

A validated framework that removes a memory wall and makes globally optimized freeform meta-optics practical, and substantially outperform meta-atom designs, reaching 1.64, 1.65 and 1.24 times their objectives.

Hyoseok Park, Yeonsang Park · 0 citations

Open access Aug 2026

Metasurface color routers inverse-designed with a deep-learning-accelerated genetic algorithm for high-efficiency imaging

Full-wave electromagnetic simulations provide accurate field distributions for nanophotonic structures, but their high computational cost limits their direct use in large-scale inverse design. Here, we introduce a deep-learning-assisted inverse-design framework in which a neural network is trained with finite-differenc...

Hyoseok Park, Samuel Kim, Duk-Yong Choi et al. · Reports on progress in physi... · 1 citation