Resonance fluorescence spectra of a driven Kerr nonlinear resonator
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arXiv
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| Autori principali: | , , , , , , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866909450404626432 |
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| author | Taguchi, Aree Sakai, Katsuta Yamaguchi, Aiko Kano, Yuya Kawakami, Yohei Yamaji, Tomohiro Satoh, Tetsuro Morioka, Ayuka Endou, Kiyotaka Igarashi, Yuichi Shirane, Masayuki Nakamura, Yasunobu Koshino, Kazuki Yamamoto, Tsuyoshi |
| author_facet | Taguchi, Aree Sakai, Katsuta Yamaguchi, Aiko Kano, Yuya Kawakami, Yohei Yamaji, Tomohiro Satoh, Tetsuro Morioka, Ayuka Endou, Kiyotaka Igarashi, Yuichi Shirane, Masayuki Nakamura, Yasunobu Koshino, Kazuki Yamamoto, Tsuyoshi |
| contents | Resonance fluorescence spectra of a driven Kerr nonlinear resonator is investigated both theoretically and experimentally. When the Kerr nonlinear resonator is driven strongly such that the induced Rabi frequency is comparable to or larger than the Kerr nonlinearity, the system cannot be approximated as a two-level system. We theoretically derive characteristic features in the fluorescence spectra such as the decrease of the center-peak intensity and the asymmetric sideband peaks in the presence of finite dephasing. Those features are consistently explained by the population of the initial dressed state and its transition matrix element to the final dressed state of the transition corresponding to each peak. Finally, we experimentally measure the resonance fluorescence spectra of a driven superconducting Kerr nonlinear resonator and find a quantitative agreement with our theory. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_02823 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Resonance fluorescence spectra of a driven Kerr nonlinear resonator Taguchi, Aree Sakai, Katsuta Yamaguchi, Aiko Kano, Yuya Kawakami, Yohei Yamaji, Tomohiro Satoh, Tetsuro Morioka, Ayuka Endou, Kiyotaka Igarashi, Yuichi Shirane, Masayuki Nakamura, Yasunobu Koshino, Kazuki Yamamoto, Tsuyoshi Quantum Physics Resonance fluorescence spectra of a driven Kerr nonlinear resonator is investigated both theoretically and experimentally. When the Kerr nonlinear resonator is driven strongly such that the induced Rabi frequency is comparable to or larger than the Kerr nonlinearity, the system cannot be approximated as a two-level system. We theoretically derive characteristic features in the fluorescence spectra such as the decrease of the center-peak intensity and the asymmetric sideband peaks in the presence of finite dephasing. Those features are consistently explained by the population of the initial dressed state and its transition matrix element to the final dressed state of the transition corresponding to each peak. Finally, we experimentally measure the resonance fluorescence spectra of a driven superconducting Kerr nonlinear resonator and find a quantitative agreement with our theory. |
| title | Resonance fluorescence spectra of a driven Kerr nonlinear resonator |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2501.02823 |