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- Title
Demonstration of multiple quantum interference and Fano resonance realization in far-field from plasmonic nanostructure in Er<sup>3+</sup>-doped tellurite glass.
- Authors
Lozano C., G.; Silva, O. B.; Ferri, F. A.; Rivera, V. A. G.; Marega Jr., E.
- Abstract
It is crucial to control the tuning and improve the emission of a quantum emitter at the nanoscale. We report multiple Fano resonances in metallic nanostructures on an Er3+-doped tellurite glass. Periodic nanoslits were fabricated with a focused gallium ion beam on a gold thin film deposited on the tellurite glass. Is proposed a coupling function with Fano line-shape form, and the asymmetric parameter q for each resonance wavelength in the 515 to 535 nm region was calculated. This asymmetric resonance effect is a consequence of the quantum interaction between the continuum state, generated in the nanostructure, and the Stark splits of the 2 H 11 / 2 state.
- Subjects
FANO resonance; FOCUSED ion beams; PLASMONICS; GOLD films; RESONANCE effect; MATHEMATICAL continuum; QUANTUM interference
- Publication
Scientific Reports, 2022, Vol 12, Issue 1, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-022-08858-x