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Directing random lasing emission using cavity exciton-polaritons

  • Paul Bouteyre
  • , Hai Son Nguyen
  • , Jean Sébastien Lauret
  • , Gaëlle Trippé-Allard
  • , Géraud Delport
  • , Ferdinand Lédée
  • , Hiba Diab
  • , Ali Belarouci
  • , Christian Seassal
  • , Damien Garrot
  • , Fabien Bretenaker
  • , Emmanuelle Deleporte
  • ENS Paris-Saclay
  • Université de Lyon
  • Institut Universitaire de France
  • Université Paris-Saclay

Research output: Contribution to journalArticlepeer-review

Abstract

Random lasing is an intriguing phenomenon occurring in disordered structures with optical gain in which light scattering provides the necessary feedback for lasing action. Unlike conventional lasers, random lasing systems emit in all directions due to light scattering. While this property can be desired in some cases, directional emission remains required for most applications. In a vertical microcavity containing the hybrid perovskite CH3NH3PbBr3, we report here the coupling of the emission of a random laser with a cavity polaritonic resonance, resulting in a directional random lasing, whose emission angles can be tuned by varying the cavity detuning and reach values as large as 15.8° and 22.4°

Original languageEnglish
Pages (from-to)39739-39749
Number of pages11
JournalOptics Express
Volume28
Issue number26
DOIs
Publication statusPublished - 21 Dec 2020
Externally publishedYes

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