Quasi-whispering gallery modes of excitonpolaritons in a ZnO microrod

  • Liaoxin Sun*
  • , Hongxing Dong
  • , Wei Xie
  • , Zhenghua An
  • , Xuechu Shen
  • , Zhanghai Chen
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

We report the photoluminescence (PL) investigations of quasiwhispering gallery mode (quasi-WGM) polaritons in a ZnO microrod at room temperature. By using the confocal micro-PL spectroscopic technique, we observe the clear optical quasi-WGMs. These quasi-WGMs appeared in the ultraviolet (UV) emission region where the cavity modes strongly couple with excitons and form polaritons. The quasi-WGMs polaritons can be well described by the plane wave interference and the coupling oscillator model.

Original languageEnglish
Pages (from-to)15371-15376
Number of pages6
JournalOptics Express
Volume18
Issue number15
DOIs
StatePublished - 19 Jul 2010
Externally publishedYes

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