Light: Science & Applications (Nov 2022)

Milliwatt terahertz harmonic generation from topological insulator metamaterials

  • Klaas-Jan Tielrooij,
  • Alessandro Principi,
  • David Saleta Reig,
  • Alexander Block,
  • Sebin Varghese,
  • Steffen Schreyeck,
  • Karl Brunner,
  • Grzegorz Karczewski,
  • Igor Ilyakov,
  • Oleksiy Ponomaryov,
  • Thales V. A. G. de Oliveira,
  • Min Chen,
  • Jan-Christoph Deinert,
  • Carmen Gomez Carbonell,
  • Sergio O. Valenzuela,
  • Laurens W. Molenkamp,
  • Tobias Kiessling,
  • Georgy V. Astakhov,
  • Sergey Kovalev

DOI
https://doi.org/10.1038/s41377-022-01008-y
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 8

Abstract

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Topological insulator metamaterials bring nonlinear terahertz photonic technology a step closer by producing a third-harmonic output power close to a milliwatt.