Strong coupling between a dielectric nanocavity and a monolayer transition metal dichalcogenide
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| Autores principales: | , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866908417945239552 |
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| author | Schröder, F. Wyborski, P. Xiong, M. Kountouris, G. Munkhbat, B. Wubs, M. Kristensen, P. T. Mørk, J. Stenger, N. |
| author_facet | Schröder, F. Wyborski, P. Xiong, M. Kountouris, G. Munkhbat, B. Wubs, M. Kristensen, P. T. Mørk, J. Stenger, N. |
| contents | We demonstrate strong coupling between light in a dielectric nanocavity with deep sub-wavelength confinement and excitons in a monolayer of molybdenum ditelluride. Avoided crossing is demonstrated by both photoluminescence and reflection measurements, from which we extract a light-matter interaction strength of $g_{\mathrm{PL}} =\SI{5.3\pm0.3}{\milli\eV}$ and $g_{\mathrm{R}} =\SI{4.7\pm0.7}{\milli\eV}$, respectively. The associated Rabi splitting is twice as large as the system's losses. These values are in good agreement with values obtained by a novel exciton reaction coordinate formalism, yielding $g_{\mathrm{theory}} = \SI{5.2\pm0.7}{\milli\eV}$. The strong light-matter interaction, combined with low losses and sub-wavelength confinement of light, black demonstrates a new regime of light-matter interactions where strong nonlinearities at the single-photon level are expected. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_06529 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Strong coupling between a dielectric nanocavity and a monolayer transition metal dichalcogenide Schröder, F. Wyborski, P. Xiong, M. Kountouris, G. Munkhbat, B. Wubs, M. Kristensen, P. T. Mørk, J. Stenger, N. Optics Other Condensed Matter We demonstrate strong coupling between light in a dielectric nanocavity with deep sub-wavelength confinement and excitons in a monolayer of molybdenum ditelluride. Avoided crossing is demonstrated by both photoluminescence and reflection measurements, from which we extract a light-matter interaction strength of $g_{\mathrm{PL}} =\SI{5.3\pm0.3}{\milli\eV}$ and $g_{\mathrm{R}} =\SI{4.7\pm0.7}{\milli\eV}$, respectively. The associated Rabi splitting is twice as large as the system's losses. These values are in good agreement with values obtained by a novel exciton reaction coordinate formalism, yielding $g_{\mathrm{theory}} = \SI{5.2\pm0.7}{\milli\eV}$. The strong light-matter interaction, combined with low losses and sub-wavelength confinement of light, black demonstrates a new regime of light-matter interactions where strong nonlinearities at the single-photon level are expected. |
| title | Strong coupling between a dielectric nanocavity and a monolayer transition metal dichalcogenide |
| topic | Optics Other Condensed Matter |
| url | https://arxiv.org/abs/2502.06529 |