Nature Communications (Feb 2021)

Reconfigurable all-dielectric metalens with diffraction-limited performance

  • Mikhail Y. Shalaginov,
  • Sensong An,
  • Yifei Zhang,
  • Fan Yang,
  • Peter Su,
  • Vladimir Liberman,
  • Jeffrey B. Chou,
  • Christopher M. Roberts,
  • Myungkoo Kang,
  • Carlos Rios,
  • Qingyang Du,
  • Clayton Fowler,
  • Anuradha Agarwal,
  • Kathleen A. Richardson,
  • Clara Rivero-Baleine,
  • Hualiang Zhang,
  • Juejun Hu,
  • Tian Gu

DOI
https://doi.org/10.1038/s41467-021-21440-9
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 8

Abstract

Read online

Here, the authors report an active all-dielectric metasurface platform based on phase change materials, combining phase tuning in the full 2π range, and demonstrate aberration-free and multi-depth imaging with a non-mechanical tunable metalens.