法拉第效应
光学
电介质
透射率
极化(电化学)
旋转(数学)
法拉第旋转器
物理
法拉第笼
材料科学
旋光
光电子学
磁场
计算机科学
物理化学
人工智能
化学
量子力学
作者
T. Kiel,Paris Varytis,Bettina Beverungen,Philip Trøst Kristensen,Kurt Busch
出处
期刊:Optics Letters
[The Optical Society]
日期:2021-03-26
卷期号:46 (7): 1720-1720
被引量:8
摘要
In this Letter, we demonstrate how to optimize the magneto–optic response of a Huygens metasurface composed of square arrays of all-dielectric nano-disk scatterers. We compare cylindrical and shape-modified disks. Both provide a strongly enhanced Faraday rotation that is accompanied by almost 100% transmittance. The shape modification obtained via a Bayesian optimization algorithm results in a 50% increase in the magneto–optic response compared to the best cylindrical disk, providing 15° of polarization rotation for a 260 nm thick metasurface.
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