Enhanced gyrotropic birefringence and natural optical activity on electromagnon resonance in a helimagnet

S. Iguchi; R. Masuda; S. Seki; Y. Tokura; Y. Takahashi

doi:10.1038/s41467-021-26953-x

Nature Communications (Nov 2021)

Enhanced gyrotropic birefringence and natural optical activity on electromagnon resonance in a helimagnet

S. Iguchi,
R. Masuda,
S. Seki,
Y. Tokura,
Y. Takahashi

Affiliations

S. Iguchi: Department of Applied Physics and Quantum Phase Electronics Center (QPEC), University of Tokyo
R. Masuda: Department of Applied Physics and Quantum Phase Electronics Center (QPEC), University of Tokyo
S. Seki: Department of Applied Physics and Quantum Phase Electronics Center (QPEC), University of Tokyo
Y. Tokura: Department of Applied Physics and Quantum Phase Electronics Center (QPEC), University of Tokyo
Y. Takahashi: Department of Applied Physics and Quantum Phase Electronics Center (QPEC), University of Tokyo

DOI: https://doi.org/10.1038/s41467-021-26953-x
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 7

Abstract

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Gyrotropic birefringence is expected to emerge from the magnetoelectric coupling. Here, the authors find polarity and chirality arising from the helical spin order exhibit enhanced optical activities, gyrotropic birefringence and natural optical activity, on the electromagnon resonance.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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