Tunable compact on-chip superconducting switch
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866910348677742592 |
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| author | Zotova, Julia Semenov, Alexander Wang, Rui Zhou, Yu Astafiev, Oleg Tsai, Jaw-Shen |
| author_facet | Zotova, Julia Semenov, Alexander Wang, Rui Zhou, Yu Astafiev, Oleg Tsai, Jaw-Shen |
| contents | We develop a compact four-port superconducting switch with a tunable operating frequency in the range of 4.8 GHz -- 7.3 GHz. Isolation between channel exceeds 20~dB over a bandwidth of several hundred megahertz, exceeding 40 dB at some frequencies. The footprint of the device is $80\times420~μ$m. The tunability requires only a global flux bias without either permanent magnets or micro-electromechanical structures. As the switch is superconducting, the heat dissipation during operation is negligible. The device can operate at up to -80~dBm, which is equal to $2.5\times 10^6$ photons at 6 GHz per microsecond. The device show a possibility to be operated as a beamsplitter with tunable splitting ratio. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_19394 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Tunable compact on-chip superconducting switch Zotova, Julia Semenov, Alexander Wang, Rui Zhou, Yu Astafiev, Oleg Tsai, Jaw-Shen Quantum Physics We develop a compact four-port superconducting switch with a tunable operating frequency in the range of 4.8 GHz -- 7.3 GHz. Isolation between channel exceeds 20~dB over a bandwidth of several hundred megahertz, exceeding 40 dB at some frequencies. The footprint of the device is $80\times420~μ$m. The tunability requires only a global flux bias without either permanent magnets or micro-electromechanical structures. As the switch is superconducting, the heat dissipation during operation is negligible. The device can operate at up to -80~dBm, which is equal to $2.5\times 10^6$ photons at 6 GHz per microsecond. The device show a possibility to be operated as a beamsplitter with tunable splitting ratio. |
| title | Tunable compact on-chip superconducting switch |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2402.19394 |