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Updated: Jan 9, 2026

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy
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Chiral phonons in polar LiNbO3.

Hiroki Ueda1, Abhishek Nag2,3, Carl P Romao4,5

  • 1Center for Photon Science, Paul Scherrer Institute, Villigen, Switzerland. hiroki.ueda@psi.ch.

Nature Communications
|December 5, 2025
PubMed
Summary

Chiral phonons, carrying angular momentum, were directly observed in lithium niobate crystals. This discovery enables electrical control over phonon chirality and angular momentum for novel applications in chiral phononics.

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