Observation of ultrastrong magnon-magnon coupling in YFeO3 using terahertz magnetospectroscopy

Takuma Makihara, G. Timothy Noe, Xinwei Li, Kenji Hayashida, Nicolas Marquez Peraca, Kevin Tian, Xiaoxuan Ma, Zuanming Jin, Wei Ren, Guohong Ma, Shixun Cao, Ikufumi Katayama, Jun Takeda, Dmitry Turchinovich, Hiroyuki Nojiri, Motoaki Bamba, Junichiro Kono

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We studied magnon-magnon ultrastrong coupling in YFeO3 using terahertz magnetospectroscopy in magnetic fields up to 30 T, which led to an extreme breakdown of the rotating-wave approximation where the counter-rotating term dominates the co-rotating term.

Original languageEnglish
Title of host publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO_QELS 2020
PublisherOSA - The Optical Society
ISBN (Electronic)9781557528209
Publication statusPublished - 2020
Externally publishedYes
EventCLEO: QELS_Fundamental Science, CLEO_QELS 2020 - Washington, United States
Duration: 2020 May 102020 May 15

Publication series

NameOptics InfoBase Conference Papers
VolumePart F182-CLEO-QELS 2020


ConferenceCLEO: QELS_Fundamental Science, CLEO_QELS 2020
Country/TerritoryUnited States

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials


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