Nature Communications (Nov 2021)

Full-color enhanced second harmonic generation using rainbow trapping in ultrathin hyperbolic metamaterials

  • Junhao Li,
  • Guangwei Hu,
  • Lina Shi,
  • Nan He,
  • Daqian Li,
  • Qiuyu Shang,
  • Qing Zhang,
  • Huange Fu,
  • Linlin Zhou,
  • Wei Xiong,
  • Jianguo Guan,
  • Jian Wang,
  • Sailing He,
  • Lin Chen

DOI
https://doi.org/10.1038/s41467-021-26818-3
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 6

Abstract

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Though metamaterials enhance nonlinear light-matter interactions due to their resonant features, these materials typically show a narrow spectral bandwidth. Here, the authors report broadband enhanced second-harmonic generation in patterned multilayer hyperbolic metamaterial arrays.