Electromagnetically induced transparency in many-emitter waveguide quantum electrodynamics: linear versus nonlinear waveguide dispersions
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2023
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| _version_ | 1866917679583985664 |
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| author | Berndsen, Tiberius Mirza, Imran M. |
| author_facet | Berndsen, Tiberius Mirza, Imran M. |
| contents | We study single-photon induced electromagnetically induced transparency (EIT) in many-emitter waveguide quantum electrodynamics (wQED) with linear and nonlinear waveguide dispersion relations. In the single-emitter problem, in addition to the robustness of the EIT spectral features in the over-coupled regime of wQED, we find that the nonlinear dispersion results in the appearance of a side peak for frequencies smaller than the resonant EIT frequency which turns into a pronounced plateau as the nonlinearity is enhanced. Consequently, for many-emitter scenarios, our results indicate the formation of band structure which for higher values of nonlinearity leads to narrow band gaps as compared to the corresponding linear dispersion case. Long-distance quantum networking aided with quantum memories can serve as one of the targeted applications of this work. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2307_03836 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Electromagnetically induced transparency in many-emitter waveguide quantum electrodynamics: linear versus nonlinear waveguide dispersions Berndsen, Tiberius Mirza, Imran M. Quantum Physics We study single-photon induced electromagnetically induced transparency (EIT) in many-emitter waveguide quantum electrodynamics (wQED) with linear and nonlinear waveguide dispersion relations. In the single-emitter problem, in addition to the robustness of the EIT spectral features in the over-coupled regime of wQED, we find that the nonlinear dispersion results in the appearance of a side peak for frequencies smaller than the resonant EIT frequency which turns into a pronounced plateau as the nonlinearity is enhanced. Consequently, for many-emitter scenarios, our results indicate the formation of band structure which for higher values of nonlinearity leads to narrow band gaps as compared to the corresponding linear dispersion case. Long-distance quantum networking aided with quantum memories can serve as one of the targeted applications of this work. |
| title | Electromagnetically induced transparency in many-emitter waveguide quantum electrodynamics: linear versus nonlinear waveguide dispersions |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2307.03836 |