Controlled Electric and Magnetic Hot Spots in All-Dielectric Metasurfaces with High-Q Resonances

被引：0

作者：

Yang, Weimin ^{[1
]}

He, Yonglin ^{[1
]}

Jiang, Shengjie ^{[1
]}

Zhuo, Liqiang ^{[1
]}

Wang, Jingyu ^{[2
]}

机构：

[1] Zhangzhou Inst Technol, Sch Elect Informat, Sch Petrochem Engn, Zhangzhou 363000, Peoples R China

[2] Shanxi Normal Univ, Sch Phys & Informat Engn, Taiyuan 030000, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2023年 / 127卷 / 40期

关键词：

SPECTROSCOPY;

D O I：

10.1021/acs.jpcc.3c04275

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The precise control over the locations of hot spots in a nanostructured ensemble is of great importance in enhanced spectroscopy, super-resolution optical imaging, sensors, slow light, and beam-steering devices. However, for all-dielectric multiparticle configurations, the locations of hot spots are difficult to predict due to the complex coupling of optical resonance modes. In this work, theoretical simulations based on all-dielectric metasurfaces with high-Q resonances predict that the locations of hot spots can be efficiently controlled in the nanorod-nanorod gaps or in the nanorod interior by suppressing or promoting specific-mode coupling effects in a specific polarization state of incident light. These findings offer an avenue to realize high-performance filters, sensors, and modulators for prompting applications.

引用

页码：20057 / 20063

页数：7