Nature Communications (Jan 2021)

Point-to-point stabilized optical frequency transfer with active optics

  • Benjamin P. Dix-Matthews,
  • Sascha W. Schediwy,
  • David R. Gozzard,
  • Etienne Savalle,
  • François-Xavier Esnault,
  • Thomas Lévèque,
  • Charles Gravestock,
  • Darlene D’Mello,
  • Skevos Karpathakis,
  • Michael Tobar,
  • Peter Wolf

DOI
https://doi.org/10.1038/s41467-020-20591-5
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 8

Abstract

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Atomic clocks and their networks are useful tools for optical communications and frequency metrology. Here the authors use phase stabilization and active tip-tilt to suppress atmospheric effects and enable optical frequency transfer through free-space.