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A hybrid organic-inorganic polariton LED

Research output: Contribution to journalArticlepeer-review

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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