Subwavelength light confinement and propagation: A numerical study of a two-layer silver film with perforated holes

被引：0

作者：

Reed, Jennifer M. ^{[1
]}

Wang, Haining ^{[1
,2
]}

Guo, Yingnan ^{[1
,3
]}

Zou, Shengli ^{[1
]}

机构：

[1] Univ Cent Florida, Dept Chem, Orlando, FL 32816 USA

[2] Beihang Univ, Beijing Key Lab Bioinspired Energy Mat & Devices, Sch Chem & Environm, Beijing 100191, Peoples R China

[3] Dalian Univ Technol, Sch Phys & Optoelect Technol, Dalian 116024, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 16期

基金：

美国国家科学基金会;

关键词：

SLOT WAVE-GUIDES; DISCRETE-DIPOLE APPROXIMATION; SCATTERING;

D O I：

10.1063/1.4826441

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Confinement and propagation of light under the diffraction limit is a substantial challenge for the development of waveguides as components in subwavelength optical devices. Light confinement and propagation at optical frequencies in a two-layer silver film with a periodic array of holes is investigated in a numerical study using the discrete dipole approximation method. Extraordinary subwavelength confinement and propagation of light can be obtained along an extremely subwavelength cross section of a region as small as 10 x 20 nm(2) at a distance of over 10 mu m. This study provides rational design of waveguides under subwavelength dimensions. (C) 2013 AIP Publishing LLC.

引用

页数：4