诺共振
超晶格
超材料
法诺平面
物理
凝聚态物理
束缚态
各向异性
微波食品加热
垂直的
光学
等离子体子
量子力学
几何学
数学
作者
Sun‐Goo Lee,Seong‐Han Kim,Chul‐Sik Kee
出处
期刊:Optics Express
[The Optical Society]
日期:2021-06-15
卷期号:29 (14): 21492-21492
被引量:4
摘要
A perfect metal film with a periodic arrangement of cut-through slits, an anisotropic metallic metamaterial film, mimics a dielectric slab and supports guided electromagnetic waves in the direction perpendicular to the slits. Since the guided Bloch modes exist only below the light line, conventional metallic metamaterial films do not exhibit interesting leaky-wave effects, such as bound states in the continuum and Fano resonances. Here, we introduce metallic metasurface superlattices that include multiple slits in a period and demonstrate that the superlattices support the Fano resonances and bound states in the continuum. We show that the number of Fano resonances and bound states depend on the number of slits in a period of superlattices through rigorous finite element method simulations. Experimental results in microwave region also support the creation of Fano resonance and bound states in the continuum by the increment of the number of slits in a period of superlattices.
科研通智能强力驱动
Strongly Powered by AbleSci AI