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A hybrid organic-inorganic polariton LED

Research output: Contribution to journalArticle

Author(s)

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

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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.
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Details

Original languageEnglish
Article number81
Number of pages11
JournalLight: Science & Applications
Volume8
DOIs
Publication statusPublished - 4 Sep 2019

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