SEMICONDUCTOR PLASMONIC GAS SENSOR

被引：0
|
作者：
Elsayed, Mohamed Y. [1 ]
Ismail, Yehea [1 ]
Swillam, Mohamed A. [2 ]
机构：
[1] AUC, Zewail City Sci & Technol, Ctr Nanoelectron & Devices, Cairo, Egypt
[2] Amer Univ Cairo, Dept Phys, Cairo, Egypt
来源：
2016 PHOTONICS NORTH (PN) | 2016年
关键词：
Semiconductor; mid-infrared; plasmonics; slot waveguide; gas sensing; infrared absorption;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We designed a semiconductor plasmonic slot waveguide operating with mid infrared (MIR) wavelengths. By using Indium Arsenide, we were able to achieve (MIR) plasmonics with dopant concentration around 10(20) cm(-3). A dispersion analysis studying the guided modes of such waveguide was performed to understand the effects of different design parameters. By tuning the carrier concentration and optimizing the slot waveguide geometry, we were able to operate in the fingerprint region of the IR spectrum. The waveguide worked as an ultracompact gas sensor by exploiting the IR absorption spectra of analytes for good selectivity.
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页数：1
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