Terahertz on-chip sensing by exciting higher radial order spoof localized surface plasmons

被引：24

作者：

Zhou, Ji ^{[1
]}

Chen, Lin ^{[1
,2
]}

Sun, Qingyun ^{[1
]}

Liao, Denggao ^{[1
]}

Ding, Li ^{[1
]}

Balakin, Alexey V. ^{[3
,4
,5
]}

Shkurinov, Alexander P. ^{[3
,4
,5
]}

Xie, Jingya ^{[1
]}

Zang, Xiaofei ^{[1
]}

Cheng, Qingqing ^{[1
]}

Zhu, Yiming ^{[1
]}

机构：

[1] Univ Shanghai Sci & Technol, Shanghai Key Lab Modern Opt Syst, Shanghai 200093, Peoples R China

[2] Tongji Univ, Shanghai Inst Intelligent Sci & Technol, Shanghai 200092, Peoples R China

[3] Lomonosov Moscow State Univ, Dept Phys, Leninskie Gory 1, Moscow 19991, Russia

[4] Lomonosov Moscow State Univ, Int Laser Ctr, Leninskie Gory 1, Moscow 19991, Russia

[5] RAS, ILIT RAS Branch FSRC Crystallog & Photon, Svyatoozerskaya 1, Shatura 140700, Moscow Region, Russia

来源：

APPLIED PHYSICS EXPRESS | 2020年 / 13卷 / 01期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

MODE SPOOF;

D O I：

10.7567/1882-0786/ab5eb3

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate higher radial order spoof localized surface plasmon (LSP) resonances excited by a planar plasmonic waveguide with a ladder-shaped unit as a unique platform for terahertz (THz) on-chip sensing. The frequency shifts induced by the different dielectric permittivities of edible oils for higher radial order spoof LSPs are more sensitive than those for the fundamental mode. Experimental and simulated results agree well with each other. The proposed structure is easily integrated and have potential applications in enhanced on-chip THz sensing. (c) 2019 The Japan Society of Applied Physics

引用

页数：5

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