Localized surface plasmon-enhanced light emission using platinum nanorings in deep ultraviolet-emitting AlGaN quantum wells

Hee Woong Shin, Kyung Rock Son, Tae Geun Kim

Research output: Contribution to journalArticle

5 Citations (Scopus)


We report the enhancement of deep ultraviolet emissions from AlGaN-based quantum wells (QWs) using energy-matched localized surface plasmons (LSPs) in platinum (Pt) nanoring arrays. The peak resonances of the extinction spectra were shifted to the red spectral region as the nanoring diameters increased, and the Pt nanorings with a diameter of 325 nm exhibited strong photoluminescence (PL) resonance at 279 nm. The emission enhancement ratio was calculated to be 304% in peak PL intensity when compared to that of the bare AlGaN QWs; this is attributed to the strong coupling of QWs with LSPs from the Pt nanorings.

Original languageEnglish
Pages (from-to)88-91
Number of pages4
JournalOptics Letters
Issue number1
Publication statusPublished - 2016 Jan 1


ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this