Broadband terahertz surface plasmon-polaritons beam splitter

被引：2

作者：

Huang, Wei ^{[1
]}

Liu, Mai ^{[1
]}

Yang, Weifang ^{[1
]}

Cheng, Yu ^{[1
]}

Yin, Shan ^{[1
]}

Zhang, Wentao ^{[1
]}

机构：

[1] Guilin Univ Elect Technol, Guangxi Key Lab Optoelect Informat Proc, Guilin 541004, Peoples R China

来源：

EPL | 2021年 / 134卷 / 05期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1209/0295-5075/134/54001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper, we propose a novel design of broadband terahertz (THz) surface plasmon-polaritons (SPPs) beam splitter, which obtains 50%-50% energy splitting on input and output SPPs waveguides. The conventional THz SPPs beam splitter is a component of the two parallel THz SPPs waveguides coupler, which can only operate at the single frequency. To make the device more universal, we employ the quantum engineering technique, called fractional stimulated Raman adiabatic passage (f-STIRAP) to design the 50%-50% beam splitter with good performance on broadband. Copyright (C) 2021 EPLA

引用

页数：5

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