平面天线中超导约瑟夫森结的远程定位改进太赫兹探测

2019 IEEE International Superconductive Electronics Conference (ISEC) Pub Date : 2019-07-01 DOI:10.1109/ISEC46533.2019.8990943

E. Holdengreber, M. Mizrahi, S. Schacham, E. Farber

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引用次数: 2

摘要

使用基于超导约瑟夫森结的探测系统可以大大简化太赫兹辐射的探测。而不是操作极其复杂的传统电子设备，强度和频率可以从夏皮罗电流的步骤。然而，检测效率对天线和结之间的阻抗失配极为敏感。在我们提出的配置中，我们从天线中心置换结，并将其放置在两个匹配条的两端之间。在理论分析的基础上，对该结构进行了大量仿真，结果表明，适当优化带材尺寸，可以在265 GHz左右的频率范围内获得高阻抗匹配。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Remote Location of Superconducting Josephson Junction in Planar Antennas for Improved THz Detection

Detection of THz radiation can be significantly simplified using a detection system based on Superconducting Josephson junctions. Rather than operating extremely sophisticated conventional electronic equipment, the intensity and frequency can be derived from the Shapiro current steps. However, the detection efficiency is extremely sensitive to impedance mismatch between the antenna and the junction. In our proposed configuration, we displace the junction from the antenna center and placed it between the ends of two matching strips. Extensive simulations of this structure, based on theoretical analysis, show that with proper optimization of strip dimensions, high impedance matching can be obtained for the frequency range of around 265 GHz.

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2019 IEEE International Superconductive Electronics Conference (ISEC)

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