Microwave-optical spectroscopy of Rydberg excitons in the ultrastrong driving regime
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866911979119050752 |
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| author | Brewin, Alistair Gallagher, Liam A P Pritchett, Jon D Wong, Horatio Q X Potvliege, Robert M Clark, Stewart J Jones, Matthew P A |
| author_facet | Brewin, Alistair Gallagher, Liam A P Pritchett, Jon D Wong, Horatio Q X Potvliege, Robert M Clark, Stewart J Jones, Matthew P A |
| contents | We study the ultrastrong driving of Rydberg excitons in Cu$_2$O by a microwave field. The effect of the field is studied using optical absorption spectroscopy, and through the observation of sidebands on the transmitted laser light. A model based on Floquet theory is constructed to study the system beyond the rotating wave approximation. We obtain near quantitative agreement between theory and experiment across a 16-fold range of microwave field strengths spanning from the perturbative to the ultrastrong driving regime. Compared to Rydberg atoms, the large non-radiative widths of Rydberg excitons leads to new behaviour such as the emergence of an absorption continuum without ionization. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_18674 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Microwave-optical spectroscopy of Rydberg excitons in the ultrastrong driving regime Brewin, Alistair Gallagher, Liam A P Pritchett, Jon D Wong, Horatio Q X Potvliege, Robert M Clark, Stewart J Jones, Matthew P A Mesoscale and Nanoscale Physics Atomic Physics Optics We study the ultrastrong driving of Rydberg excitons in Cu$_2$O by a microwave field. The effect of the field is studied using optical absorption spectroscopy, and through the observation of sidebands on the transmitted laser light. A model based on Floquet theory is constructed to study the system beyond the rotating wave approximation. We obtain near quantitative agreement between theory and experiment across a 16-fold range of microwave field strengths spanning from the perturbative to the ultrastrong driving regime. Compared to Rydberg atoms, the large non-radiative widths of Rydberg excitons leads to new behaviour such as the emergence of an absorption continuum without ionization. |
| title | Microwave-optical spectroscopy of Rydberg excitons in the ultrastrong driving regime |
| topic | Mesoscale and Nanoscale Physics Atomic Physics Optics |
| url | https://arxiv.org/abs/2406.18674 |