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3 October 2022 An efficient scheme for fullwave inverse design of large-scale metasurfaces (Conference Presentation)
Wenjin Xue, Hanwen Zhang, Owen D. Miller
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Proceedings Volume PC12195, Metamaterials, Metadevices, and Metasystems 2022; PC1219505 (2022) https://doi.org/10.1117/12.2632570
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States
Abstract
There have been intense efforts in fullwave inverse design of large-scale metasurface with potentially broad-bandwidth / multi-frequency and multi-functional performance. However, conventional simulation tools used in the design process show poor scalability in accuracy and efficiency with size (thickness and diameter). Fast direct solvers based on volume integral equation (VIE) can reach linear scalability but are very difficult to implement, especially beyond two-dimensional settings. Here, we use the Duan-Rokhlin method, a convenient VIE solver, to simulate large structures with near-optimal time complexity O(NlogN). We demonstrate its high efficiency and accuracy in large-scale simulation and inverse design process.
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Wenjin Xue, Hanwen Zhang, and Owen D. Miller "An efficient scheme for fullwave inverse design of large-scale metasurfaces (Conference Presentation)", Proc. SPIE PC12195, Metamaterials, Metadevices, and Metasystems 2022, PC1219505 (3 October 2022); https://doi.org/10.1117/12.2632570
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KEYWORDS
Optimization (mathematics)
Computer simulations
Energy efficiency
Optical components
Scattering
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