Design, Fabrication and Characterization of Microwave Multiplexing SQUID Prototype
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| Main Authors: | , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866914435221684224 |
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| author | Song, Mengjie Deng, Yixian Li, Zhengwei Gao, He Liu, Zhouhui Gu, Yudong Ren, XiangXiang Li, Nan Liao, Guofu Xiu, Qinglei Xu, Yu Jiang, Mengqi Li, Xufang Li, Yaqiong Shu, Shibo Zhang, Yongjie Liu, Congzhan |
| author_facet | Song, Mengjie Deng, Yixian Li, Zhengwei Gao, He Liu, Zhouhui Gu, Yudong Ren, XiangXiang Li, Nan Liao, Guofu Xiu, Qinglei Xu, Yu Jiang, Mengqi Li, Xufang Li, Yaqiong Shu, Shibo Zhang, Yongjie Liu, Congzhan |
| contents | The readout system with a high multiplexing ratio has become a bottleneck limiting the application of large-scale Transition Edge Sensor (TES) detector arrays. In recent years, the microwave superconducting quantum interference device (SQUID) multiplexer has emerged as a key technology for effectively reading large-scale cryogenic detector arrays. Currently, the microwave SQUID multiplexer is being adopted by an increasing number of experiments due to its capability of achieving a multiplexing ratio of 2000:1 within the readout bandwidth. In this study, we developed and fabricated a 32-channel microwave SQUID multiplexer prototype. And we measured 8 channels of the prototype. The measured equivalent noise current of the prototype reached 154 pA/$\sqrt{Hz}$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_29613 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Design, Fabrication and Characterization of Microwave Multiplexing SQUID Prototype Song, Mengjie Deng, Yixian Li, Zhengwei Gao, He Liu, Zhouhui Gu, Yudong Ren, XiangXiang Li, Nan Liao, Guofu Xiu, Qinglei Xu, Yu Jiang, Mengqi Li, Xufang Li, Yaqiong Shu, Shibo Zhang, Yongjie Liu, Congzhan Instrumentation and Detectors The readout system with a high multiplexing ratio has become a bottleneck limiting the application of large-scale Transition Edge Sensor (TES) detector arrays. In recent years, the microwave superconducting quantum interference device (SQUID) multiplexer has emerged as a key technology for effectively reading large-scale cryogenic detector arrays. Currently, the microwave SQUID multiplexer is being adopted by an increasing number of experiments due to its capability of achieving a multiplexing ratio of 2000:1 within the readout bandwidth. In this study, we developed and fabricated a 32-channel microwave SQUID multiplexer prototype. And we measured 8 channels of the prototype. The measured equivalent noise current of the prototype reached 154 pA/$\sqrt{Hz}$. |
| title | Design, Fabrication and Characterization of Microwave Multiplexing SQUID Prototype |
| topic | Instrumentation and Detectors |
| url | https://arxiv.org/abs/2603.29613 |