Improving Amplification Bandwidth by Combining Josephson Parametric Amplifiers for Active Axion Search Experiments at IBS/CAPP

IF 1.1 3区 物理与天体物理 Q4 PHYSICS, APPLIED
Sergey V. Uchaikin, Jinmyeong Kim, Boris I. Ivanov, Arjan F. van Loo, Yasunobu Nakamura, Saebyeok Ahn, Seonjeong Oh, Seongtae Park, Andrei Matlashov, Woohyun Chung, Yannis K. Semertzidis
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引用次数: 0

Abstract

The Center for Axion and Precision Physics Research at the Institute for Basic Science in Republic of Korea is home to multiple active axion search experiments using cavity haloscopes that operate within the frequency range of 1–6 GHz. The haloscopes convert axions to photons, resulting in an output power of about 10\({^{-24}}\)–10\({^{-22}}\) W. To detect such a small signal amidst noise, quantum-limited noise amplifiers and ultra-low-temperature environment (a few tenths of mK) are required for all critical readout components to minimize noise from all active and passive lossy components. Our primary objective is to achieve the highest possible scanning-frequency speed, which includes the time for maintenance and system calibration. This paper presents the development and operation of low-noise amplifiers for haloscope experiments targeting different frequency ranges and provides design, operational, and performance details of the amplifiers.

Abstract Image

通过组合约瑟夫森参量放大器提高放大带宽,用于在 IBS/CAPP 进行主动式轴心搜索实验
大韩民国基础科学研究所的轴子与精密物理研究中心利用频率范围为1-6千兆赫的空腔卤镜开展了多项积极的轴子搜索实验。为了在噪声中探测到如此小的信号,所有关键读出元件都需要量子限噪放大器和超低温环境(万分之几 mK),以最大限度地降低所有有源和无源有损元件的噪声。我们的首要目标是实现尽可能高的扫描频率速度,其中包括维护和系统校准的时间。本文介绍了针对不同频率范围的卤镜实验的低噪声放大器的开发和运行情况,并提供了放大器的设计、运行和性能细节。
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来源期刊
Journal of Low Temperature Physics
Journal of Low Temperature Physics 物理-物理:凝聚态物理
CiteScore
3.30
自引率
25.00%
发文量
245
审稿时长
1 months
期刊介绍: The Journal of Low Temperature Physics publishes original papers and review articles on all areas of low temperature physics and cryogenics, including theoretical and experimental contributions. Subject areas include: Quantum solids, liquids and gases; Superfluidity; Superconductivity; Condensed matter physics; Experimental techniques; The Journal encourages the submission of Rapid Communications and Special Issues.
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