Development of SQUID Amplifiers for Axion Search Experiments

2019 IEEE International Superconductive Electronics Conference (ISEC) Pub Date : 2019-07-01 DOI:10.1109/ISEC46533.2019.8990953

S. Uchaikin, Y. Urade, S. Kono, M. Schmelz, R. Stolz, Yasunobu Nakamura, A. Matlashov, Doyu Lee, W. Chung, Seonjeong Oh, Y. Semertzidis, V. Zakosarenko, Ç. Kutlu, A. V. van Loo

引用次数: 3

Abstract

We report results of our development of two types of microwave amplifiers based on Superconducting quantum interference devices (SQUIDs) for CAPP (Center for Axion and Precision Physics Research) axion search experiments. The first amplifier, Microstrip SQUID Amplifier (MSA) has a wide bandwidth. Power dissipation in resistive shunts results in a device overheating and limits the MSA performances. A thermal models of shunt cooling processes is developed and recommendations for a future design is provided. The second amplifier, Josephson Parametric Amplifier (JPA), at limited bandwidth showed a low noise near the standard quantum limit (SQL) of 196 mK. Implementation of a JPA in CULTASK (CAPP's Ultra-Low Temperature Axion Search in Korea) experiment is planned in the end of 2019.

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轴子搜索实验用SQUID放大器的研制

本文报道了两种基于超导量子干涉器件(squid)的微波放大器的开发结果，用于CAPP(轴子与精密物理研究中心)轴子搜索实验。第一种放大器，微带SQUID放大器(MSA)具有宽带宽。电阻分流的功耗导致器件过热，限制了MSA的性能。建立了并联冷却过程的热模型，并对今后的设计提出了建议。第二个放大器，约瑟夫森参数放大器(JPA)，在有限带宽下显示出接近196 mK标准量子极限(SQL)的低噪声。JPA在CULTASK(韩国CAPP的超低温轴子搜索)实验中的实现计划在2019年底。

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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来源期刊

2019 IEEE International Superconductive Electronics Conference (ISEC)

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