2022
DOI: 10.3390/coatings12070874
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Absorption Enhancement in a Quantum Dot Thz Detector with a Metal-Semiconductor-Metal Structure

Abstract: The low absorptivity of quantum dot nano-structures cannot meet the requirements for high-performance next-generation Thz detectors which can be used for environmental pollution detection. In this study, a novel metal-semiconductor-metal (MSM) cavity structure with a square hole array instead of a traditional planar metal electrode was developed to improve and enhance the absorptivity of a quantum dot Thz detector. The possible modes and loss problems in the metal resonant cavity were analyzed using the finite… Show more

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