Inverse Design of Nonlocal Metasurfaces Using Augmented Partial Factorization
2023 International Applied Computational Electromagnetics Society Symposium (ACES)（2023）
摘要
Topology optimization of nonlocal metasurfaces requires the objective-function gradient considering all angles of interest. We generalize the recent “augmented partial factorization” method to compute such gradient efficiently and inverse design a broad-angle metasurface beam splitter.
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关键词
metasurfaces,nanophotonics,topology optimization
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