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Updated: Jan 12, 2026

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Off-Resonance Enhancement of the Refractive Index via Indirect Optical Transitions

E I Battalova1, A I Minibaev1, A V Petrov2

  • 1Department of Optics and Nanophotonics, Institute of Physics, Kazan Federal University, Kremlevskaya str., 16a, Kazan, 420008, Russia.

Nano Letters
|October 31, 2025
PubMed
Abstract

Keywords:
electronic light scatteringelectronic polarizationelectron−photon interactiongold nanoparticlesindirect transitionslight absorptionrefractive indexspatial confinementspatially confined media

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