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| Auteurs principaux: | , , , , , , , |
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| Format: | Preprint |
| Publié: |
2026
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| Sujets: | |
| Accès en ligne: | https://arxiv.org/abs/2601.05476 |
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| _version_ | 1866914242841542656 |
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| author | Chen, Zhuo Qin, Wenhua Ren, Hanyu Liu, Ziyi Nemoto, Kae Munro, William John Mao, Yingqiu Majer, Johannes |
| author_facet | Chen, Zhuo Qin, Wenhua Ren, Hanyu Liu, Ziyi Nemoto, Kae Munro, William John Mao, Yingqiu Majer, Johannes |
| contents | We report a three-dimensional lumped-element multimode microwave resonator that enables homogeneous collective manipulation and dispersive readout of a macroscopic spin ensemble. By exploiting geometric symmetry, two antisymmetric modes with strongly suppressed cross-talk are engineered to spatially overlap and couple to the same ensemble at distinct frequencies. Using negatively charged nitrogen-vacancy centers in diamond at 28 mK, we observe collective strong coupling with a coupling strength of 5.0 MHz and demonstrate non-destructive dispersive readout via a detuned mode. The compact design, tunable coupling, and high field homogeneity make this resonator a versatile device for hybrid spin-photon systems and multimode solid-state quantum technologies. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_05476 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A three-dimensional multimode lumped-element resonator for collective spin manipulation and dispersive readout Chen, Zhuo Qin, Wenhua Ren, Hanyu Liu, Ziyi Nemoto, Kae Munro, William John Mao, Yingqiu Majer, Johannes Quantum Physics We report a three-dimensional lumped-element multimode microwave resonator that enables homogeneous collective manipulation and dispersive readout of a macroscopic spin ensemble. By exploiting geometric symmetry, two antisymmetric modes with strongly suppressed cross-talk are engineered to spatially overlap and couple to the same ensemble at distinct frequencies. Using negatively charged nitrogen-vacancy centers in diamond at 28 mK, we observe collective strong coupling with a coupling strength of 5.0 MHz and demonstrate non-destructive dispersive readout via a detuned mode. The compact design, tunable coupling, and high field homogeneity make this resonator a versatile device for hybrid spin-photon systems and multimode solid-state quantum technologies. |
| title | A three-dimensional multimode lumped-element resonator for collective spin manipulation and dispersive readout |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2601.05476 |