Frequency-upconverted whispering-gallery-mode lasing in ZnO hexagonal nanodisks

Chunfeng Zhang, Fan Zhang, Xiao Wei Sun, Yi Yang, Jian Wang, Jian Xu

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Low threshold, frequency-upconverted lasing in the two-photon absorption regime was observed in hexagonal ZnO nanodisks. Upon near-IR excitation, the ZnO nanodisk resonators produced UV laser emission with a remarkably low threshold (∼1 mJ/cm2) as well as a resolved lasing linewidth of ∼0.1 nm. Modal analysis and far-field photoluminescence imaging of the nanolasers have suggested the dominance of whispering-gallery modes in the two-photon pumped microcavity lasing process.

Original languageEnglish (US)
Pages (from-to)3349-3351
Number of pages3
JournalOptics Letters
Volume34
Issue number21
DOIs
StatePublished - Nov 1 2009

Fingerprint

whispering gallery modes
lasing
thresholds
photons
ultraviolet lasers
far fields
resonators
photoluminescence
excitation

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Zhang, Chunfeng ; Zhang, Fan ; Sun, Xiao Wei ; Yang, Yi ; Wang, Jian ; Xu, Jian. / Frequency-upconverted whispering-gallery-mode lasing in ZnO hexagonal nanodisks. In: Optics Letters. 2009 ; Vol. 34, No. 21. pp. 3349-3351.
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Frequency-upconverted whispering-gallery-mode lasing in ZnO hexagonal nanodisks. / Zhang, Chunfeng; Zhang, Fan; Sun, Xiao Wei; Yang, Yi; Wang, Jian; Xu, Jian.

In: Optics Letters, Vol. 34, No. 21, 01.11.2009, p. 3349-3351.

Research output: Contribution to journalArticle

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AU - Xu, Jian

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