Planar Bragg microcavities with monolayer WS$_2$ for strong exciton-photon coupling
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866911351154147328 |
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| author | Mikhin, A. O. Seredin, A. A. Savelev, R. S. Krizhanovskii, D. N. Samusev, A. K. Kravtsov, V. |
| author_facet | Mikhin, A. O. Seredin, A. A. Savelev, R. S. Krizhanovskii, D. N. Samusev, A. K. Kravtsov, V. |
| contents | We propose and numerically investigate a novel compact planar microcavity design based on a high-index dielectric slab waveguide with embedded monolayer semiconductor. In comparison to more traditional vertical Bragg microcavities, our design relies on the transmission of guided optical modes and achieves strong exciton-photon coupling in a chip-compatible and compact geometry with sub-100 nm thickness. We show that Rabi splitting values of more than 70 meV can be obtained in planar microcavities with the total length below 5 um. Further, we reveal the dependence of Rabi splitting on the dimensions of the structure and explain it with a simple theoretical model. Our results contribute towards the development of novel compact 2D semiconductor-based components for integrated photonic circuits. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_06335 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Planar Bragg microcavities with monolayer WS$_2$ for strong exciton-photon coupling Mikhin, A. O. Seredin, A. A. Savelev, R. S. Krizhanovskii, D. N. Samusev, A. K. Kravtsov, V. Mesoscale and Nanoscale Physics Optics We propose and numerically investigate a novel compact planar microcavity design based on a high-index dielectric slab waveguide with embedded monolayer semiconductor. In comparison to more traditional vertical Bragg microcavities, our design relies on the transmission of guided optical modes and achieves strong exciton-photon coupling in a chip-compatible and compact geometry with sub-100 nm thickness. We show that Rabi splitting values of more than 70 meV can be obtained in planar microcavities with the total length below 5 um. Further, we reveal the dependence of Rabi splitting on the dimensions of the structure and explain it with a simple theoretical model. Our results contribute towards the development of novel compact 2D semiconductor-based components for integrated photonic circuits. |
| title | Planar Bragg microcavities with monolayer WS$_2$ for strong exciton-photon coupling |
| topic | Mesoscale and Nanoscale Physics Optics |
| url | https://arxiv.org/abs/2409.06335 |