Strong coupling between molecular excited states and surface plasmon modes of a slit array in a thin metal film

Adi Salomon, Robert J. Gordon, Yehiam Prior, Tamar Seideman, Maxim Sukharev

Research output: Contribution to journalArticle

84 Citations (Scopus)

Abstract

We demonstrate strong coupling between molecular excited states and surface plasmon modes of a slit array in a thin metal film. The coupling manifests itself as an anticrossing behavior of the two newly formed polaritons. As the coupling strength grows, a new mode emerges, which is attributed to long-range molecular interactions mediated by the plasmonic field. The new, molecular-like mode repels the polariton states, and leads to an opening of energy gaps both below and above the asymptotic free molecule energy.

Original languageEnglish (US)
Article number073002
JournalPhysical Review Letters
Volume109
Issue number7
DOIs
StatePublished - Aug 16 2012

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metal films
slits
polaritons
excitation
molecular interactions
molecules
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Strong coupling between molecular excited states and surface plasmon modes of a slit array in a thin metal film. / Salomon, Adi; Gordon, Robert J.; Prior, Yehiam; Seideman, Tamar; Sukharev, Maxim.

In: Physical Review Letters, Vol. 109, No. 7, 073002, 16.08.2012.

Research output: Contribution to journalArticle

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