利用超材料增强红外探测器的探测能力

2016 Fourth International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT) Pub Date : 2016-12-01 DOI:10.1109/MMWATT.2016.7869914

T. Mohamadi, L. Yousefi

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引用次数: 1

摘要

利用超材料结构，提出了一种工作频率为180太赫兹的新型红外探测器。研究表明，使用超材料可以将场集中在半导体区域(这里是InGaAsSb)，从而提高红外探测器的吸收率和探测率。采用全波数值方法对该结构进行了分析。仿真结果表明，半导体区域的场增强可达37倍。

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Detectivity enhanced IR detectors using metamaterials

Using metamaterial structures, a novel Infrared (IR) detector is proposed to operate at the frequency of 180 THz. It has been shown that using metamaterials can concentrate the field in the semiconductor region (here InGaAsSb) resulting in higher absorption and higher detectivity for the IR detector. The proposed structure has been analyzed using full wave numerical methods. The simulation results show a field enhancement as big as 37 in the semiconductor region.

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来源期刊

2016 Fourth International Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT)

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