Demonstration of multiple quantum interference and Fano resonance realization in far-field from plasmonic nanostructure in Er3+-doped tellurite glass

G. Lozano C, O. B. Silva, F. A. Ferri, V. A.G. Rivera, E. Marega

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

Resumen

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 2H11 / 2 state.

Idioma originalInglés
Número de artículo5015
PublicaciónScientific Reports
Volumen12
N.º1
DOI
EstadoPublicada - dic. 2022

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