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 publication2020 Conference on Lasers and Electro-Optics, CLEO 2020 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781943580767
Publication statusPublished - 2020 May
Event2020 Conference on Lasers and Electro-Optics, CLEO 2020 - San Jose, United States
Duration: 2020 May 102020 May 15

Publication series

NameConference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS
ISSN (Print)1092-8081


Conference2020 Conference on Lasers and Electro-Optics, CLEO 2020
CountryUnited States
CitySan Jose

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Fingerprint Dive into the research topics of 'Observation of Ultrastrong Magnon-Magnon Coupling in YFeO<sub>3</sub> using Terahertz Magnetospectroscopy'. Together they form a unique fingerprint.

Cite this