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Updated: Feb 7, 2026

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Plasmonic Nanocavity-Assisted Long-Range Dipole-Dipole Interactions for Rare-Earth Ions

Xin Xie1, Bowen Kang1, Huatian Hu2

  • 1School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710119, China.

Nano Letters
|February 5, 2026
PubMed
Summary

We developed a plasmonic nanocavity system that enables long-distance dipole-dipole interactions (DDIs) between rare-earth ions (RE3+) and quantum emitters. This breakthrough extends energy transfer over 7.5 μm, advancing quantum photonic applications.

Keywords:
energy transfernanocavitiesquantum dotsrare-earth ionssurface plasmons

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