基于高温超导约瑟夫森结的太赫兹谐波混频器

2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) Pub Date : 2021-08-29 DOI:10.1109/IRMMW-THz50926.2021.9567318

M. Yu, W. Xu, J. Shi, G. Wu, H. Wang, P. Wu

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引用次数: 0

摘要

高温超导Josephson结混频器因其高灵敏度、宽带宽、低本振功率要求和高谐波数而成为太赫兹(THz)通信接收机中有吸引力的候选者。当谐波信号可以在高阶(超过100阶)检测时，所需的LO频率和成本可以大大降低。在本论文中，在一个0.21 THz的弯道天线耦合下，在高温超导双晶YBa2Cu3O7-δ (YBCO) JJ谐波混频器中产生了多达114次谐波混合。在太赫兹波段的实际接收或探测中，高温超导JJs将是很有前途的高阶谐波混频器。

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Terahertz harmonic mixer based on HTS Josephson junction

High temperature superconducting (HTS) Josephson junction (JJ) mixers are attractive candidates in receivers for terahertz (THz) communication due to their high sensitivity, wide bandwidth, low local oscillator (LO) power requirement and high harmonic numbers. The required LO frequencies and the cost can be greatly reduced when harmonic signals can be detected at high orders (more than 100). In this paper, up to 114th harmonic mixings is presented in a HTS bicrystal YBa2Cu3O7-δ (YBCO) JJ harmonic mixer coupled with a bowtie loaded meander antenna at 0.21 THz. HTS JJs will be promising high-order harmonic mixers for THz practical applications on reception or detection at THz bands.

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来源期刊

2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)

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