Two-tone spectroscopy of high-frequency quantum circuits with a Josephson emitter
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arXiv
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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866915054200291328 |
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| author | Peugeot, A. Riechert, H. Annabi, S. Balembois, L. Villiers, M. Flurin, E. Griesmar, J. Arrighi, E. Pillet, J. -D. Bretheau, L. |
| author_facet | Peugeot, A. Riechert, H. Annabi, S. Balembois, L. Villiers, M. Flurin, E. Griesmar, J. Arrighi, E. Pillet, J. -D. Bretheau, L. |
| contents | We perform two-tone spectroscopy on quantum circuits, where high-frequency radiation is generated by a voltage-biased superconductor-normal-superconductor Josephson junction and detection is carried out by an ancillary microwave resonator. We implement this protocol on two different systems, a transmon qubit and a $λ/4$ resonator. We demonstrate that this two-tone Josephson spectroscopy operates well into the millimeter-wave band, reaching frequencies larger than 80 GHz, and is well-suited for probing highly coherent quantum systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_08066 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Two-tone spectroscopy of high-frequency quantum circuits with a Josephson emitter Peugeot, A. Riechert, H. Annabi, S. Balembois, L. Villiers, M. Flurin, E. Griesmar, J. Arrighi, E. Pillet, J. -D. Bretheau, L. Mesoscale and Nanoscale Physics Superconductivity Applied Physics Quantum Physics We perform two-tone spectroscopy on quantum circuits, where high-frequency radiation is generated by a voltage-biased superconductor-normal-superconductor Josephson junction and detection is carried out by an ancillary microwave resonator. We implement this protocol on two different systems, a transmon qubit and a $λ/4$ resonator. We demonstrate that this two-tone Josephson spectroscopy operates well into the millimeter-wave band, reaching frequencies larger than 80 GHz, and is well-suited for probing highly coherent quantum systems. |
| title | Two-tone spectroscopy of high-frequency quantum circuits with a Josephson emitter |
| topic | Mesoscale and Nanoscale Physics Superconductivity Applied Physics Quantum Physics |
| url | https://arxiv.org/abs/2406.08066 |