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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2412.14038 |
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| _version_ | 1866913635943579648 |
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| author | Castro-Beltrán, Héctor M. Román-Ancheyta, Ricardo |
| author_facet | Castro-Beltrán, Héctor M. Román-Ancheyta, Ricardo |
| contents | We obtain time-resolved spectra of spontaneous emission and resonance fluorescence of a single multilevel emitter where two antiparallel transitions interfere and cause quantum beats. After rising as a single broad peak, the spontaneous emission spectrum turns into a doublet of subnatural peaks and then fades for long times. For strong field resonance fluorescence, the beat signature is the formation of doublet sidebands, which initially grow asymmetrically but end up symmetrical. We stress the filter bandwidth's crucial role in the spectral resolution and causal evolution. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_14038 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Time-dependent spectra of quantum beats Castro-Beltrán, Héctor M. Román-Ancheyta, Ricardo Quantum Physics Optics We obtain time-resolved spectra of spontaneous emission and resonance fluorescence of a single multilevel emitter where two antiparallel transitions interfere and cause quantum beats. After rising as a single broad peak, the spontaneous emission spectrum turns into a doublet of subnatural peaks and then fades for long times. For strong field resonance fluorescence, the beat signature is the formation of doublet sidebands, which initially grow asymmetrically but end up symmetrical. We stress the filter bandwidth's crucial role in the spectral resolution and causal evolution. |
| title | Time-dependent spectra of quantum beats |
| topic | Quantum Physics Optics |
| url | https://arxiv.org/abs/2412.14038 |