Pulsed single-photon spectroscopy of an emitter with vibrational coupling
Fuente:
arXiv
Gespeichert in:
| Hauptverfasser: | , , , , |
|---|---|
| Format: | Preprint |
| Veröffentlicht: |
2025
|
| Schlagworte: | |
| Online-Zugang: | |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| _version_ | 1866909966632222720 |
|---|---|
| author | Das, Sourav Khan, Aiman Darsheshdar, Elnaz Albarelli, Francesco Datta, Animesh |
| author_facet | Das, Sourav Khan, Aiman Darsheshdar, Elnaz Albarelli, Francesco Datta, Animesh |
| contents | We analytically derive the quantum state of a single-photon pulse scattered from a single quantum two-level emitter interacting with a vibrational bath. This solution for the quadripartite system enables an information-theoretic characterization of vibrational effects in quantum light spectroscopy. We show that vibration-induced dephasing reduces the quantum Fisher information (QFI) for estimating the emitter's linewidth, largely reflecting the Franck-Condon suppression of light-matter coupling. Comparing time- and frequency-resolved photodetection, we find the latter to be more informative in estimating the emitter's linewidth for stronger vibrational coupling. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_14964 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Pulsed single-photon spectroscopy of an emitter with vibrational coupling Das, Sourav Khan, Aiman Darsheshdar, Elnaz Albarelli, Francesco Datta, Animesh Quantum Physics We analytically derive the quantum state of a single-photon pulse scattered from a single quantum two-level emitter interacting with a vibrational bath. This solution for the quadripartite system enables an information-theoretic characterization of vibrational effects in quantum light spectroscopy. We show that vibration-induced dephasing reduces the quantum Fisher information (QFI) for estimating the emitter's linewidth, largely reflecting the Franck-Condon suppression of light-matter coupling. Comparing time- and frequency-resolved photodetection, we find the latter to be more informative in estimating the emitter's linewidth for stronger vibrational coupling. |
| title | Pulsed single-photon spectroscopy of an emitter with vibrational coupling |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2512.14964 |