Universität zu Köln

Schäfer, Roland ORCID: 0000-0003-0701-7596, Weitkamp, Philipp, Erdene‐Ochir, Otgonbayar ORCID: 0009-0000-8888-5437, Meerholz, Klaus ORCID: 0000-0001-7450-4672 and Lindfors, Klas ORCID: 0000-0002-6482-5605 (2025). Polarization‐Controlled Strong Light–Matter Interaction With Templated Molecular Aggregates. Advanced Optical Materials, 13 (28). pp. 1-11. Wiley. ISSN 2195-1071

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Abstract

[Artikel-Nr.: e00998] Strong light‐matter interaction is demonstrated for a layer of templated merocyanine molecules in a planar microcavity. Using a single layer of graphene nanoribbons as a templating layer, an aligned layer of aggregated molecules is obtained. 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. Photoluminescence microspectroscopy is further used to demonstrate that the light‐matter coupling is spatially homogeneous. This 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.

Item Type:	Article
Creators:	Creators Email ORCID ORCID Put Code Schäfer, Roland UNSPECIFIED https://orcid.org/0000-0003-0701-7596 UNSPECIFIED Weitkamp, Philipp UNSPECIFIED UNSPECIFIED UNSPECIFIED Erdene‐Ochir, Otgonbayar UNSPECIFIED https://orcid.org/0009-0000-8888-5437 UNSPECIFIED Meerholz, Klaus UNSPECIFIED https://orcid.org/0000-0001-7450-4672 UNSPECIFIED Lindfors, Klas UNSPECIFIED https://orcid.org/0000-0002-6482-5605 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-801978
Identification Number:	10.1002/adom.202500998
Journal or Publication Title:	Advanced Optical Materials
Volume:	13
Number:	28
Page Range:	pp. 1-11
Number of Pages:	11
Date:	4 October 2025
Publisher:	Wiley
ISSN:	2195-1071
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Biochemistry
Subjects:	Chemistry and allied sciences Life sciences
Uncontrolled Keywords:	Keywords Language disorder ; graphene-nanoribbons ; molecular templating ; rabi-splitting ; strong light-matter interaction English
['eprint_fieldname_oa_funders' not defined]:	Publikationsfonds UzK
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/80197