Plasmonic Fabry-Pérot resonator for enhanced terahertz sensing

被引：0

作者：

Muravev, V. M. ^{[1
]}

Dzhikirba, K. R. ^{[1
,2
]}

Gusikhin, P. A. ^{[1
]}

Astrakhantseva, A. S. ^{[1
]}

Sokolova, M. S. ^{[1
,2
]}

Kukushkin, I. V. ^{[1
]}

机构：

[1] RAS, Osipyan Inst Solid State Phys, Chernogolovka 142432, Russia

[2] Moscow Inst Phys & Technol, Moscow 141700, Russia

来源：

PHYSICAL REVIEW APPLIED | 2025年 / 23卷 / 01期

基金：

俄罗斯科学基金会;

关键词：

RADIATION; LIGHT;

D O I：

10.1103/PhysRevApplied.23.014060

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on studies of the plasmonic Fabry-P & eacute;rot resonator, which features a metallic grid lithographically fabricated on both sides of a silicon substrate. It is found that the resonator effectively accumulates and enhances the electric field of the incident electromagnetic wave. We have managed to directly measure the field enhancement by placing a diode detector inside the resonator. A remarkable x45 amplification in the detector responsivity is achieved in the terahertz frequency range. The observed effect contrasts with that occurring in a high-Q Fabry-P & eacute;rot resonator with/without resistive sidewalls, where there is no enhancement of the external electromagnetic field.

引用

页数：7

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