Coherent superposition of emitted and resonantly scattered photons from a two-level system driven by an even-$π$ pulse
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arXiv
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| Auteurs principaux: | , , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866909679355953152 |
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| author | Krainov, I. V. Galimov, A. I. Rakhlin, M. V. Toropov, A. A. Shubina, T. V. |
| author_facet | Krainov, I. V. Galimov, A. I. Rakhlin, M. V. Toropov, A. A. Shubina, T. V. |
| contents | We report the observation of a bunching of ~3 photon states, which is a coherent superposition of emitted photons and resonantly scattered laser photons, arising upon excitation by even-$π$ pulses of a two-level system represented by a charged quantum dot in a microcavity. This phenomenon emerges because the exciting laser pulse contains several tens of photons whose quantum amplitude distribution creates such a superposition, and the polarization of the scattered photons is changed by the interaction with the charged resonant system. Such a beam is a high-order member of the Fock space, promising for quantum technologies. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_05943 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Coherent superposition of emitted and resonantly scattered photons from a two-level system driven by an even-$π$ pulse Krainov, I. V. Galimov, A. I. Rakhlin, M. V. Toropov, A. A. Shubina, T. V. Mesoscale and Nanoscale Physics Quantum Physics We report the observation of a bunching of ~3 photon states, which is a coherent superposition of emitted photons and resonantly scattered laser photons, arising upon excitation by even-$π$ pulses of a two-level system represented by a charged quantum dot in a microcavity. This phenomenon emerges because the exciting laser pulse contains several tens of photons whose quantum amplitude distribution creates such a superposition, and the polarization of the scattered photons is changed by the interaction with the charged resonant system. Such a beam is a high-order member of the Fock space, promising for quantum technologies. |
| title | Coherent superposition of emitted and resonantly scattered photons from a two-level system driven by an even-$π$ pulse |
| topic | Mesoscale and Nanoscale Physics Quantum Physics |
| url | https://arxiv.org/abs/2507.05943 |