Visible to near-infrared broadband fluorescence from Ce-doped silica fiber

Abstract

We investigate the fluorescence characteristics of a purely Ce-doped silica fiber and demonstrate broad-bandwidth fluorescence across the visible and near-infrared. The Ce-doped fiber is fabricated using standard modified chemical vapor deposition technology. Trace metal analysis by inductively coupled plasma mass spectrometry confirmed the purity of Ce-doping. The Ce valence state of 3+ was revealed by X-ray photoelectron spectroscopy. The optimum pump wavelength for the broadest luminescence from a fiber is scanned between 405 nm to 440 nm wavelength of diode lasers operating under continuous-wave regime. The strongest pump absorption is observed at the wavelength of 405 nm. Variation of pump power and fiber length results in the demonstration of broad-bandwidth fluorescence with spectral widths up to 301 nm (at -10 dB). The measured fluorescence spectra cover the wavelength range from ∼458 nm to ∼819 nm with spectral power densities of up to 2.4 nW/nm.

Publication DOI: https://doi.org/10.1364/OME.432560
Divisions: College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
College of Engineering & Physical Sciences
Additional Information: Journal © 2021. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funding. Engineering and Physical Sciences Research Council (EP/R024898/1); H2020 Marie Skłodowska-Curie Actions (843801); Jane & Aatos Erkko Foundation, Business Finland (1464/31/2019); Academy of Finland (326406, 326461); Ministry of Science and Higher Education of the Russian Federation (AAAA-A19- 119012590263-7, AAAAA19-119011-690112-0, theme 0095-2019-006); Academy of Finland Flagship Programme, Photonics Research and Innovation (PREIN) (320165).
Uncontrolled Keywords: Electronic, Optical and Magnetic Materials
Publication ISSN: 2159-3930
Last Modified: 28 Mar 2024 08:18
Date Deposited: 20 Jul 2021 13:46
Full Text Link:
Related URLs: https://www.osa ... I=ome-11-8-2528 (Publisher URL)
http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2021-08-01
Published Online Date: 2021-07-14
Accepted Date: 2021-07-04
Authors: Yadav, Amit (ORCID Profile 0000-0001-7865-6905)
Chichkov, Nikolai B.
Gumenyuk, Regina
Ali-löytty, Harri
Lahtonen, Kimmo
Valden, Mika
Melkumov, Mikhail A.
Yashkov, Mikhail V.
Zherebtsov, Evgeny
Rafailov, Edik U. (ORCID Profile 0000-0002-4152-0120)

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