Communications Physics (Jul 2021)

Front-induced transitions control THz waves

  • Aidan W. Schiff-Kearn,
  • Lauren Gingras,
  • Simon Bernier,
  • Nima Chamanara,
  • Kartiek Agarwal,
  • Jean-Michel Ménard,
  • David G. Cooke

DOI
https://doi.org/10.1038/s42005-021-00667-4
Journal volume & issue
Vol. 4, no. 1
pp. 1 – 7

Abstract

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Unusual optical phenomena arise when light interacts with time-varying dielectric media. Here, relativistic propagation of a photoconductivity front in silicon is exploited to temporally stretch and time-reverse terahertz pulses.