A hybrid organic–inorganic polariton LED

Rahul Jayaprakash, Kyriacos Georgiou, Harriet Coulthard, Alexis Askitopoulos, Sai K. Rajendran, David M. Coles, Andrew J. Musser, Jenny Clark, Ifor D.W. Samuel, Graham A. Turnbull, Pavlos G. Lagoudakis, David G. Lidzey

    Research output: Contribution to journalArticlepeer-review

    24 Citations (Scopus)

    Abstract

    Polaritons are quasi-particles composed of a superposition of excitons and photons that can be created within a strongly coupled optical microcavity. Here, we describe a structure in which a strongly coupled microcavity containing an organic semiconductor is coupled to a second microcavity containing a series of weakly coupled inorganic quantum wells. We show that optical hybridisation occurs between the optical modes of the two cavities, creating a delocalised polaritonic state. By electrically injecting electron–hole pairs into the inorganic quantum-well system, we are able to transfer energy between the cavities and populate organic-exciton polaritons. Our approach represents a new strategy to create highly efficient devices for emerging ‘polaritonic’ technologies.

    Original languageEnglish
    Article number81
    JournalLight: Science and Applications
    Volume8
    Issue number1
    DOIs
    Publication statusPublished - 1 Dec 2019

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