Enhanced Photon Absorption in Subwavelength Mercury Cadmium Telluride Layer for Infrared Detectors Operating at Higher Temperature

被引：0
|
作者：
Sojib, Md. [1 ]
Sayeed, R. [1 ]
Avrutin, V. [1 ]
Ozgur, U. [1 ]
Dhar, N. K. [1 ]
机构：
[1] Virginia Commonwealth Univ, Dept Elect & Comp Engn, Richmond, VA 23284 USA
来源：
2023 IEEE PHOTONICS CONFERENCE, IPC | 2023年
关键词：
Mercury Cadmium Telluride; MWIR; Photodetector; Antireflection coating; E-field; and Absorption Enhancement;
D O I：
10.1109/IPC57732.2023.10360637
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：
Enhancement of incident photon absorption in a subwavelength thick Mercury-Cadmium-Telluride (Hg1-xCdxTe, MCT) has been numerically analyzed in the MWIR spectral range employing an all-dielectric metamaterial anti-reflection coating consisting of Si and air to reduce the dark current in an infrared photodetector operating at an elevated temperature.
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