Polarization-controlled strong light-matter interaction with templated molecular aggregates
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912558318878720 |
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| author | Schäfer, Roland Weitkamp, Philipp Erdene-Ochir, Otgonbayar Meerholz, Klaus Lindfors, Klas |
| author_facet | Schäfer, Roland Weitkamp, Philipp Erdene-Ochir, Otgonbayar Meerholz, Klaus Lindfors, Klas |
| contents | We demonstrate strong light-matter interaction for a layer of templated merocyanine molecules in a planar microcavity. Using a single layer of graphene nanoribbons as a templating layer, we obtain an aligned layer of aggregated molecules. The molecular layer displays anisotropic optical properties resembling those of a biaxial crystal. The anisotropic excitonic component in the cavity results in strongly polarization-dependent light-matter interaction and in increased Rabi-energies. The increased light-matter interaction is possibly due to reduced molecular disorder in the templated molecular layer. This conclusion is supported by an analysis based on a multi-oscillator model. We further use photoluminescence microspectroscopy to demonstrate that the light-matter coupling is spatially homogeneous. Our study introduces molecular templating to strong light-matter studies. The reduced disorder of the system as a consequence of templating is highly beneficial for engineering light-matter interaction. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_09798 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Polarization-controlled strong light-matter interaction with templated molecular aggregates Schäfer, Roland Weitkamp, Philipp Erdene-Ochir, Otgonbayar Meerholz, Klaus Lindfors, Klas Optics Materials Science We demonstrate strong light-matter interaction for a layer of templated merocyanine molecules in a planar microcavity. Using a single layer of graphene nanoribbons as a templating layer, we obtain an aligned layer of aggregated molecules. The molecular layer displays anisotropic optical properties resembling those of a biaxial crystal. The anisotropic excitonic component in the cavity results in strongly polarization-dependent light-matter interaction and in increased Rabi-energies. The increased light-matter interaction is possibly due to reduced molecular disorder in the templated molecular layer. This conclusion is supported by an analysis based on a multi-oscillator model. We further use photoluminescence microspectroscopy to demonstrate that the light-matter coupling is spatially homogeneous. Our study introduces molecular templating to strong light-matter studies. The reduced disorder of the system as a consequence of templating is highly beneficial for engineering light-matter interaction. |
| title | Polarization-controlled strong light-matter interaction with templated molecular aggregates |
| topic | Optics Materials Science |
| url | https://arxiv.org/abs/2503.09798 |