Nature Communications (May 2017)

Nanometric holograms based on a topological insulator material

  • Zengji Yue,
  • Gaolei Xue,
  • Juan Liu,
  • Yongtian Wang,
  • Min Gu

DOI
https://doi.org/10.1038/ncomms15354
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 5

Abstract

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Holograms generally need to be as thick as a wavelength of light to introduce the necessary optical phase shifts that create true three-dimensional images. Here, Yueet al. use a high-index topological insulator material to create a resonant optical cavity and thin holograms to the nanometre scale.