Inverse Design of Nonlocal Metasurfaces Using Augmented Partial Factorization

Shiyu Li; Ho-Chun Lin; Chia Wei Hsu

doi:10.1364/CLEO_FS.2023.FW4H.5

CLEO 2023
Technical Digest Series (Optica Publishing Group, 2023),
paper FW4H.5
•https://doi.org/10.1364/CLEO_FS.2023.FW4H.5

Inverse Design of Nonlocal Metasurfaces Using Augmented Partial Factorization

Shiyu Li, Ho-Chun Lin, and Chia Wei Hsu

CLEO: Fundamental Science 2023

San Jose, CA United States
7–12 May 2023
ISBN: 978-1-957171-25-8

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Accelerated Modelling and Photonic Computing (FW4H)

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S. Li, H. Lin, and C. W. Hsu, "Inverse Design of Nonlocal Metasurfaces Using Augmented Partial Factorization," in CLEO 2023, Technical Digest Series (Optica Publishing Group, 2023), paper FW4H.5.

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Abstract

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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