Phase-preserving control of Floquet-engineered cavity quantum electrodynamics
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arXiv
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866910053676613632 |
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| author | Yu, J. W. Zhou, X. Q. Ni, Z. B. Cheng, X. T. Zhao, Y. Zhu, H. H. Li, C. H. Liu, F. Jin, C. Y. |
| author_facet | Yu, J. W. Zhou, X. Q. Ni, Z. B. Cheng, X. T. Zhao, Y. Zhu, H. H. Li, C. H. Liu, F. Jin, C. Y. |
| contents | We propose a Floquet-engineered framework for the coherent control of the light-matter interaction in a two-level system (TLS) located in a time-modulated cavity. Strictly phase-preserving operation of the TLS-cavity interaction is demonstrated, allowing the interrupt and retrieval of coherent Rabi oscillations without the loss of quantum information. By introducing a phonon reservoir, it is proved that the frequency instability induced from non-Markovian processes does not produce significant phase decoherence during Floquet modulation. Our results provide new insights into the fundamental physics of a driven quantum system and establish Floquet engineering as a powerful tool for coherent quantum information processing. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_14279 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Phase-preserving control of Floquet-engineered cavity quantum electrodynamics Yu, J. W. Zhou, X. Q. Ni, Z. B. Cheng, X. T. Zhao, Y. Zhu, H. H. Li, C. H. Liu, F. Jin, C. Y. Quantum Physics We propose a Floquet-engineered framework for the coherent control of the light-matter interaction in a two-level system (TLS) located in a time-modulated cavity. Strictly phase-preserving operation of the TLS-cavity interaction is demonstrated, allowing the interrupt and retrieval of coherent Rabi oscillations without the loss of quantum information. By introducing a phonon reservoir, it is proved that the frequency instability induced from non-Markovian processes does not produce significant phase decoherence during Floquet modulation. Our results provide new insights into the fundamental physics of a driven quantum system and establish Floquet engineering as a powerful tool for coherent quantum information processing. |
| title | Phase-preserving control of Floquet-engineered cavity quantum electrodynamics |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2603.14279 |