Hybrid metasurface comprising epsilon-near-zero material for double transparent windows in optical communication band

Guo Min; Huang Lirong; Liu Wenbing; Ding Jifei

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Hybrid metasurface comprising epsilon-near-zero material for double transparent windows in optical communication band

机译：混合元曲面，包括用于光通信带中的双透明窗口的epsilon - 近零材料

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摘要

Metasurfaces with multiple transparent windows are highly desired and epsilon-near-zero (ENZ) materials offer a good platform for different coupling effects. We propose a hybrid metasurface composed of an indium tin oxide (ITO) nanolayer and a plasmonic metasurface. This device can support two kinds of different coupling effects to achieve double transparent windows in communication band. ITO behaves as an ENZ material and can support an ENZ mode when the real permittivity crosses zero (occurring at about 1.55 mu m). In addition to electromagnetic induced transparency (EIT) at 1.31 mu m supported by the plasmonic metasurface, another transparent window at 1.55 mu m is produced by strongly coupling between the ENZ mode and the plasmonic metasurface. Our works provide a simple way to micro-nano device for multi-transparent windows, and may find applications in filters and sensors.

机译：具有多个透明窗口的MEDasurface是非常需要的，并且epsilon - 近零（ENZ）材料为不同的耦合效果提供了一个很好的平台。我们提出了一种由氧化铟锡（ITO）纳米组和等离子体元表面组成的混合元曲面。该设备可以支持两种不同的耦合效果，以在通信频带中实现双透明窗口。 ITO表现为enz材料，当实际介电常数交叉零时，可以支持enz模式（发生在约1.55μm）。除了由等离子体元表面支撑的1.31μm的电磁感应透明度（EIT）之外，通过在ENZ模式和等离子体元表面之间强烈耦合，产生1.55μm的另一个透明窗口。我们的作品为多透明窗口的微纳米设备提供了一种简单的方法，可以在过滤器和传感器中找到应用程序。

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来源
《Optical Materials》 |2021年第2期|110802.1-110802.7|共7页
作者
Guo Min; Huang Lirong; Liu Wenbing; Ding Jifei;
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作者单位

Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect 1037 Luoyu Rd Wuhan 430074 Peoples R China;

Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect 1037 Luoyu Rd Wuhan 430074 Peoples R China;

Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect 1037 Luoyu Rd Wuhan 430074 Peoples R China;

Huazhong Univ Sci & Technol Wuhan Natl Lab Optoelect 1037 Luoyu Rd Wuhan 430074 Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Metasurfaces; Epsilon-near-zero; Double transparent windows; Electromagnetic induced transparency; Strong coupling effect;

机译：Metasurfaces;epsilon近零;双透明窗口;电磁诱导的透明度;强耦合效果;

Hybrid metasurface comprising epsilon-near-zero material for double transparent windows in optical communication band

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