Unveiling the localized surface plasmon-Er³⁺ coupling in the near-infrared emission at low temperatures

Author(s)

Calderon, Gaston Lozano ; Garcia Rivera, Victor Anthony ; Messaddeq, Younes ; Marega Junior, Euclydes

• Document type: Journal article
• Source: 2024 SBFOTON INTERNATIONAL OPTICS AND PHOTONICS CONFERENCE, SBFOTON IOPC 2024; v. N/A, p. 3-pg., 2024-01-01.

Abstract

The coupling between rare-earth ions and localized surface plasmons has been recently investigated, especially under controlled temperature. This research explores the quantum-plasmonic behavior in Au nanoparticles embedded in Er3+-tellurite glasses. The Er3+ emission at 1536 nm is analyzed, and a significant enhancement of the FWHM and the emission intensities are obtained. Such enhancements result from the improvement of the localized surface plasmon and Er3+ coupling since, under cooling conditions, the plasmon modes expand, increasing the local field enhancement. (AU)

• FAPESP's process: 20/04835-3 - Controlling the polarization state of rare earth emissions in tellurite glasses from plasmonic nano antennas
• Grantee: Gaston Lozano Calderón
• Support Opportunities: Scholarships in Brazil - Doctorate
• FAPESP's process: 13/07276-1 - CEPOF - Optics and Photonic Research Center
• Grantee: Vanderlei Salvador Bagnato
• Support Opportunities: Research Grants - Research, Innovation and Dissemination Centers - RIDC
• FAPESP's process: 22/05478-5 - Controlling the polarization state of rare-earth emissions in tellurite glasses from plasmonic nanostructures
• Grantee: Gaston Lozano Calderón
• Support Opportunities: Scholarships abroad - Research Internship - Doctorate