Organic Molecular Films as Light-Emitting and Light-Confining Material in Rolled-Up AlInP Semiconductor Microtube Resonators

Stefanie Kietzmann, Christian Strelow, Luciana Tavares, Andreas Schramm, Jussi-Pekka Penttinen, Teemu V. Hakkarainen, Andreas Osadnik, Arne Lützen, Jakob Kjelstrup-Hansen, Mews Alf, Tobias Kipp

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A hybrid inorganic/organic microcavity system is presented in which an AlInP-based rolled-up microtube resonator is combined with a thin film of naphthyl end-capped bithiophene molecules. The film is laterally structured into stripes on top of the AlInP layer system before the roll-up process. During the process, the strained bilayer together with the organic molecular stripes rolls up, and a hybrid microtube is formed. The stripes act as visible-light emitters inside the otherwise passive microtube. Furthermore, they induce a light confinement in the axial direction of the microtube, additional to the radial and azimuthal confinement that is intrinsic to a microtube. As the organic material defines the cavity and represents the emitter at the same time, an efficient light coupling into the three-dimensionally confined optical modes of the microtube resonator is ensured. The hybrid microtubes open up the opportunity for novel experiments on the light-molecule interaction as well as their application in optical components.

Original languageEnglish
JournalACS Photonics
Volume2
Issue number11
Pages (from-to)1532-1538
ISSN2330-4022
DOIs
Publication statusPublished - 27. Oct 2015

Keywords

  • microcavities
  • microtubes
  • AlInP
  • thiophenes
  • inorganic/organic hybrids

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