Multi-Modal Spectroscopy Theory for Ultrafast Control of Rabi Oscillations
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arXiv
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| Main Authors: | , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866910243281174528 |
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| author | Yu, J. W. Wang, H. B Zhou, X. Q. Tang, M. Ni, Z. B. Cheng, X. T. Zhao, Y. Ding, S. N Yan, J. Y. Zhu, H. H. Li, C. H. Liu, F. Jin, C. Y. |
| author_facet | Yu, J. W. Wang, H. B Zhou, X. Q. Tang, M. Ni, Z. B. Cheng, X. T. Zhao, Y. Ding, S. N Yan, J. Y. Zhu, H. H. Li, C. H. Liu, F. Jin, C. Y. |
| contents | We propose a three-cavity scheme to realize full control of the emitter-cavity coupling strength in cavity quantum electrodynamics (cQED). The involvement of coupled oscillators gives rise to transient dynamics comprising multiple spectral components, which significantly increases the numerical cost to resolve the fluorescence spectrum in the time domain. A generalized sensor method is hence developed to simplify the calculation process for the characterization of nonstationary quantum dynamics. Multi-modal spectroscopy reveals the emergence, splitting, and disappearance of supermodes in real time. Based on the depletion of the zero-energy supermode, ultrafast switching of Rabi oscillations is demonstrated for time-domain multi-modal spectroscopy. These results exhibit a consistent picture from the spectral control of multiple oscillators to the quantum observation in ultrafast dynamics, which establishes the sensor method as a powerful theoretical tool for the ultrafast spectroscopy of cQED systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_21923 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Multi-Modal Spectroscopy Theory for Ultrafast Control of Rabi Oscillations Yu, J. W. Wang, H. B Zhou, X. Q. Tang, M. Ni, Z. B. Cheng, X. T. Zhao, Y. Ding, S. N Yan, J. Y. Zhu, H. H. Li, C. H. Liu, F. Jin, C. Y. Quantum Physics We propose a three-cavity scheme to realize full control of the emitter-cavity coupling strength in cavity quantum electrodynamics (cQED). The involvement of coupled oscillators gives rise to transient dynamics comprising multiple spectral components, which significantly increases the numerical cost to resolve the fluorescence spectrum in the time domain. A generalized sensor method is hence developed to simplify the calculation process for the characterization of nonstationary quantum dynamics. Multi-modal spectroscopy reveals the emergence, splitting, and disappearance of supermodes in real time. Based on the depletion of the zero-energy supermode, ultrafast switching of Rabi oscillations is demonstrated for time-domain multi-modal spectroscopy. These results exhibit a consistent picture from the spectral control of multiple oscillators to the quantum observation in ultrafast dynamics, which establishes the sensor method as a powerful theoretical tool for the ultrafast spectroscopy of cQED systems. |
| title | Multi-Modal Spectroscopy Theory for Ultrafast Control of Rabi Oscillations |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2605.21923 |