Full-Spectrum Analysis of Perovskite-Based Surface Plasmon Nanolasers

Pi Ju Cheng, Qi Yan Zheng, Chu Yuan Hsu, Heng Li, Kuo Bin Hong, Yizhi Zhu, Qiannan Cui, Chunxiang Xu, Tien Chang Lu*, Tzy Rong Lin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We systematically studied the characteristics of hybrid perovskite-based surface plasmon nanolasers. If one changes the anion composition of perovskites, the emission wavelength can be easily tuned. We conducted in full-spectrum modeling that featured hybrid perovskite nanowires placed on different SiO2-coated metallic (Au, Ag, and Al) plates. The proposed nanocavities that supported plasmonic gap modes exhibited distinguished properties of nanolasers, such as low-transparency threshold-gain and low lasing threshold. The corresponding experimental results for the MAPbBr3 nanolaser on Ag revealed the low-threshold operation. These superior features were attributed to enhanced light-matter interaction with strong coupling. Therefore, the proposed scheme, integrated with hybrid perovskite as gain material, provides an excellent platform for nanoscale plasmon lasing in the visible to near-infrared spectra.

Original languageEnglish
Article number66
JournalNanoscale Research Letters
Volume15
Issue number1
DOIs
StatePublished - 29 Mar 2020

Keywords

  • Nanolasers
  • Nanowires
  • Perovskites
  • Surface Plasmons

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