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Updated: Aug 26, 2025

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Self-Kerr Effect across the Yellow Rydberg Series of Excitons in Cu_{2}O

Corentin Morin1, Jérôme Tignon1, Juliette Mangeney1

  • 1Laboratoire de Physique de l'Ecole Normale Supérieure, ENS, Université PSL, CNRS, Sorbonne Université, Université de Paris, 75005 Paris, France.

Physical Review Letters
|October 7, 2022
PubMed
Summary

Researchers observed significant nonlinear refraction from Rydberg excitons in copper oxide (Cu₂O) at low laser intensities. They measured large nonlinear refractive index values and found rapid saturation due to Rydberg blockade effects.

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