2022
DOI: 10.48550/arxiv.2203.00002
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SUTD-PRCM Dataset and Neural Architecture Search Approach for Complex Metasurface Design

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“…We consider the polygonal encoding of the meta-atom, which enables the multi-variable parameterized representation of a large number of symmetric and asymmetric shapes; the asymmetry forces a polarization sensitivity. Unlike a pixel-based representation, [57][58][59] polygon-encoding can design lithographically realizable designs with a simple tuning of parameter values and is easy to implement compared with generative and latent space representations. [60][61][62] Four PCMs (GST, GeTe, VO 2 , and AIST) with their amorphous and crystalline phases are considered in the material front, and the wide-band transmittance and reflectance in the NIR wavelength range for s-and p-polarized incident waves are evaluated.…”
Section: Introductionmentioning
confidence: 99%
“…We consider the polygonal encoding of the meta-atom, which enables the multi-variable parameterized representation of a large number of symmetric and asymmetric shapes; the asymmetry forces a polarization sensitivity. Unlike a pixel-based representation, [57][58][59] polygon-encoding can design lithographically realizable designs with a simple tuning of parameter values and is easy to implement compared with generative and latent space representations. [60][61][62] Four PCMs (GST, GeTe, VO 2 , and AIST) with their amorphous and crystalline phases are considered in the material front, and the wide-band transmittance and reflectance in the NIR wavelength range for s-and p-polarized incident waves are evaluated.…”
Section: Introductionmentioning
confidence: 99%