Josephson Parametric Amplifier based Quantum Noise Limited Amplifier Development for Axion Search Experiments in CAPP

TL;DR

This paper reviews the development and optimization of flux-driven Josephson Parametric Amplifiers as quantum noise limited amplifiers, enhancing sensitivity in axion search experiments at CAPP.

Contribution

It provides a comprehensive overview of JPA characterization, optimization techniques, and noise reduction methods specifically for axion detection applications.

Findings

Achieved ultra-low noise temperatures in JPAs.

Enhanced bandwidth of JPAs for axion searches.

Validated JPAs as essential tools for high-sensitivity axion detection.

Abstract

This paper provides a comprehensive overview of the development of flux-driven Josephson Parametric Amplifiers (JPAs) as Quantum Noise Limited Amplifier for axion search experiments conducted at the Center for Axion and Precision Physics Research (CAPP) of the Institute for Basic Science. It focuses on the characterization, and optimization of JPAs, which are crucial for achieving the highest sensitivity in axion particle detection. We discuss various characterization techniques, methods for improving bandwidth, and the attainment of ultra-low noise temperatures. JPAs have emerged as indispensable tools in CAPPs axion search endeavors, playing a significant role in advancing our understanding of fundamental physics and unraveling the mysteries of the universe.