2太赫兹室温可偏置肖特基混频器

IF 3.9 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Terahertz Science and Technology Pub Date : 2024-10-03 DOI:10.1109/TTHZ.2024.3472294

Alain Eric Maestrini;Jose V. Siles;Choonsup Lee;Robert Lin;Imran Mehdi

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引用次数: 0

摘要

我们报道了一种全固态室温紧凑型外差接收机前端的设计、制造和特性，工作在1.90-2.06 THz，双边带等效噪声温度为4000K-6000K。接收器前端基于一种新型砷化镓（GaAs）肖特基亚谐波混频器，该混频器具有可偏置反平行二极管对单片集成在薄砷化镓薄膜上，以及1.03太赫兹的倍频链，产生约1.5 mW的功率。这种混频器拓扑提供了固有的优势，例如平衡两个二极管的能力和对-à-vis波导尺寸和封装的鲁棒性。这种外差接收机的室温灵敏度为肖特基接收机树立了一个新的里程碑，并为解决地球大气中原子氧的发射开辟了可能性。

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A 2 THz Room Temperature Bias-Able Schottky Mixer

We report on the design, fabrication, and characterization of a fully solid-state room-temperature compact heterodyne receiver front-end working at 1.90–2.06 THz with 4000K–6000K double side band equivalent noise temperature. The receiver front-end is based on a novel gallium arsenide (GaAs) Schottky subharmonic mixer featuring a bias-able antiparallel pair of diodes monolithically integrated on a thin GaAs membrane and a frequency multiplier chain at 1.03 THz that produces ∼1.5 mW of power. This mixer topology provides inherent benefits, such as ability to balance the two diodes and robustness vis-à-vis waveguide dimensions and packaging. The room-temperature sensitivity of this heterodyne receiver sets a new milestone for Schottky receivers and opens the possibility for resolving the emission of atomic oxygen in Earth's atmosphere.

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来源期刊

IEEE Transactions on Terahertz Science and Technology ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS

CiteScore

7.10

自引率

9.40%

发文量

102

期刊介绍： IEEE Transactions on Terahertz Science and Technology focuses on original research on Terahertz theory, techniques, and applications as they relate to components, devices, circuits, and systems involving the generation, transmission, and detection of Terahertz waves.