Emergent broadband polarization entanglement from electronic and phononic Stokes-anti-Stokes indistinguishability
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arXiv
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| Autores principales: | , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866916940977537024 |
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| author | Sier, Diego Valente, Lucas Freitas, Tiago A. Santos, Marcelo F. Monken, Carlos H. Corrêa, Raul Jorio, Ado |
| author_facet | Sier, Diego Valente, Lucas Freitas, Tiago A. Santos, Marcelo F. Monken, Carlos H. Corrêa, Raul Jorio, Ado |
| contents | Recently [PRA 108, L051501 (2023)], it was shown that in a centrosymmetric cubic system, two photons from a broadband intense laser field can be converted into a pair of Stokes and anti-Stokes (SaS) entangled photons. While the previous work was based on symmetry arguments, here we present a fully quantum theory for the SaS scattering that properly explains, quantitatively describes, and provides a means to predict its spectral and polarization properties (for diamond). We also explore the possibilities offered by such system, designing an entanglement map based on changes in the light-matter system. In particular, we show how the broadband polarization entanglement, that emerges from the interference between electronic and phononic degrees of freedom in the SaS scattering, depends on parameters such as Stokes-anti-Stokes Raman shift, scattering geometry and laser bandwidth, opening the avenue of exploration of such phenomenon in information processing. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_11602 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Emergent broadband polarization entanglement from electronic and phononic Stokes-anti-Stokes indistinguishability Sier, Diego Valente, Lucas Freitas, Tiago A. Santos, Marcelo F. Monken, Carlos H. Corrêa, Raul Jorio, Ado Quantum Physics Other Condensed Matter Optics Recently [PRA 108, L051501 (2023)], it was shown that in a centrosymmetric cubic system, two photons from a broadband intense laser field can be converted into a pair of Stokes and anti-Stokes (SaS) entangled photons. While the previous work was based on symmetry arguments, here we present a fully quantum theory for the SaS scattering that properly explains, quantitatively describes, and provides a means to predict its spectral and polarization properties (for diamond). We also explore the possibilities offered by such system, designing an entanglement map based on changes in the light-matter system. In particular, we show how the broadband polarization entanglement, that emerges from the interference between electronic and phononic degrees of freedom in the SaS scattering, depends on parameters such as Stokes-anti-Stokes Raman shift, scattering geometry and laser bandwidth, opening the avenue of exploration of such phenomenon in information processing. |
| title | Emergent broadband polarization entanglement from electronic and phononic Stokes-anti-Stokes indistinguishability |
| topic | Quantum Physics Other Condensed Matter Optics |
| url | https://arxiv.org/abs/2408.11602 |