Nature Communications (Mar 2019)

Upconversion amplification through dielectric superlensing modulation

  • Liangliang Liang,
  • Daniel B. L. Teh,
  • Ngoc-Duy Dinh,
  • Weiqiang Chen,
  • Qiushui Chen,
  • Yiming Wu,
  • Srikanta Chowdhury,
  • Akihiro Yamanaka,
  • Tze Chien Sum,
  • Chia-Hung Chen,
  • Nitish V. Thakor,
  • Angelo H. All,
  • Xiaogang Liu

DOI
https://doi.org/10.1038/s41467-019-09345-0
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 9

Abstract

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Emission levels useful for applications from upconversion nanoparticles require high laser irradiance. Here, Liang et al. exploit the superlensing effect from dielectric microbeads to enhance the luminescence efficiency of upconversion nanoparticles and show its application for optogenetics.