Observation of Visible Upconversion Luminescence of Soft Glass Multimode Fibers-Reference-Cited by-同舟云学术

Observation of Visible Upconversion Luminescence of Soft Glass Multimode Fibers

Published:2024-02-04 Issue:2 Volume:12 Page:15
ISSN:2079-6439
Container-title:Fibers
language:en
Short-container-title:Fibers

Author:

Ferraro Mario¹²^ORCID,Mangini Fabio³^ORCID,Filosa Raffaele¹^ORCID,Couderc Vincent⁴,Sun Yifan³,Parra-Rivas Pedro³^ORCID,Gemechu Wasyhun A.³,Stepniewski Grzegorz⁵,Filipkowski Adam⁵⁶,Buczynski Ryszard⁵⁶^ORCID,Wabnitz Stefan³⁷^ORCID

Affiliation:

1. Department of Physics, University of Calabria, Via P. Bucci, 87069 Rende, Italy

2. CNR Nanotec, Via P. Bucci, 87069 Rende, Italy

3. Department of Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy

4. XLIM, UMR CNRS 7252, University of Limoges, 123 Avenue A. Thomas, 87060 Limoges, France

5. Faculty of Physics, University of Warsaw, Pasteura 5, 02-093 Warsaw, Poland

6. Lukasiewicz Research Network—Institute of Microelectronics and Photonics, Al. Lotnikow 32/46, 02-668 Warsaw, Poland

7. CNR-INO, Istituto Nazionale di Ottica, Via Campi Flegrei 34, 80078 Pozzuoli, Italy

Abstract

This research investigates the visible upconversion luminescence which is induced by multiphoton absorption of soft glass fiber defects. The study of this phenomenon has thus far been restricted to standard silica fibers. We observed the emission of green and cyan light as a consequence of fiber material ionization. We investigate both the commercial ZBLAN step index and in-house-made tellurite nanostructured graded-index fibers. For the latter, the analysis of the luminescence signal permits us to determine the core and cladding refractive index difference. Upconversion luminescence is a powerful tool for characterizing soft glass fibers and a promising platform for innovative photonic technologies and mid-IR applications.

Funder

European Union

Sapienza University

Agence Nationale de la Recherche

Fundacja na rzecz Nauki Polskiej

Sapienza University Grant AddSapiExcellence

Publisher

MDPI AG

Link

https://www.mdpi.com/2079-6439/12/2/15/pdf

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