Nature Communications (Mar 2023)

Generation of third-harmonic spin oscillation from strong spin precession induced by terahertz magnetic near fields

  • Zhenya Zhang,
  • Fumiya Sekiguchi,
  • Takahiro Moriyama,
  • Shunsuke C. Furuya,
  • Masahiro Sato,
  • Takuya Satoh,
  • Yu Mukai,
  • Koichiro Tanaka,
  • Takafumi Yamamoto,
  • Hiroshi Kageyama,
  • Yoshihiko Kanemitsu,
  • Hideki Hirori

DOI
https://doi.org/10.1038/s41467-023-37473-1
Journal volume & issue
Vol. 14, no. 1
pp. 1 – 7

Abstract

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The authors studied HoFeO3 crystal using multicycle THz magnetic pulses enhanced strongly by spiral-shaped microstructure. The observed Faraday ellipticity demonstrates second- and third-order harmonics of the magnetization oscillation and an asymmetric oscillation behavior.