Plasmon mediated coherent population oscillations in molecular aggregates.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
05 Dec 2023
05 Dec 2023
Historique:
received:
31
07
2023
accepted:
14
11
2023
medline:
6
12
2023
pubmed:
6
12
2023
entrez:
5
12
2023
Statut:
epublish
Résumé
The strong coherent coupling of quantum emitters to vacuum fluctuations of the light field offers opportunities for manipulating the optical and transport properties of nanomaterials, with potential applications ranging from ultrasensitive all-optical switching to creating polariton condensates. Often, ubiquitous decoherence processes at ambient conditions limit these couplings to such short time scales that the quantum dynamics of the interacting system remains elusive. Prominent examples are strongly coupled exciton-plasmon systems, which, so far, have mostly been investigated by linear optical spectroscopy. Here, we use ultrafast two-dimensional electronic spectroscopy to probe the quantum dynamics of J-aggregate excitons collectively coupled to the spatially structured plasmonic fields of a gold nanoslit array. We observe rich coherent Rabi oscillation dynamics reflecting a plasmon-driven coherent exciton population transfer over mesoscopic distances at room temperature. This opens up new opportunities to manipulate the coherent transport of matter excitations by coupling to vacuum fields.
Identifiants
pubmed: 38052786
doi: 10.1038/s41467-023-43578-4
pii: 10.1038/s41467-023-43578-4
pmc: PMC10698180
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
8035Subventions
Organisme : Deutsche Forschungsgemeinschaft (German Research Foundation)
ID : SPP1839, SFB1372/2-Sig01, INST 184/163-1,INST 184/164-1, Li 580/16-1, DE 3578/3-1, RTG 1885
Organisme : Niedersächsische Ministerium für Wissenschaft und Kultur (Lower Saxony Ministry of Science and Culture)
ID : DyNano
Organisme : Volkswagen Foundation (VolkswagenStiftung)
ID : SMART
Informations de copyright
© 2023. The Author(s).
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