谐振腔增强量子环太赫兹光电探测器

2012 Second Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT) Pub Date : 2012-12-01 DOI:10.1109/MMWATT.2012.6532153

F. Alihosseini, V. Ahmadi, A. Mir

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引用次数: 0

摘要

本文基于有效质量法，研究了InAs/GaAs量子环光电探测器在太赫兹范围内的吸收特性。为了增强该光电探测器有源区的吸收，我们提出了一种金属法布里-珀罗谐振腔，其上反射面为金纳米缝，下反射面为金薄膜。结果表明，在~7.1 THz频率下，该结构的吸光度可提高55倍左右。

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Resonant cavity enhanced quantum ring terahertz photodetector

In this paper, based on effective mass method, we study the absorption characteristics of InAs/GaAs quantum ring photodetector in terahertz range. To enhance the absorption in active region of this photodetector we propose a metallic Fabry-Perot resonant cavity with Au nanoslits as top reflector and Au film as the bottom mirror. It is shown that with this structure at frequency of ~7.1 THz, absorption can be enhanced about 55 times.

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2012 Second Conference on Millimeter-Wave and Terahertz Technologies (MMWaTT)

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