Zhuoqi Tang
Comparative study of praseodymium additives in active selenide chalcogenide optical fibers
Tang, Zhuoqi; Sojka, Lukasz; Furniss, David; Nunes, Joel; Sakr, Hesham; Barney, Emma; Sujecki, Slawomir; Benson, Trevor M.; Seddon, Angela B.
Authors
Lukasz Sojka
DAVID FURNISS DAVID.FURNISS@NOTTINGHAM.AC.UK
Research Officer
Joel Nunes
Hesham Sakr
EMMA BARNEY EMMA.BARNEY@NOTTINGHAM.AC.UK
Associate Professor
Slawomir Sujecki
Trevor M. Benson
ANGELA SEDDON angela.seddon@nottingham.ac.uk
Professor of Inorganic Materials
Abstract
The choice of rare earth additive when doping chalcogenide glasses can affect their mid-infrared fiber performance. Three praseodymium additives, Pr-foil, PrCl3 and PrI3 are investigated in Ge-As-Ga-Se fibers. All the fibers are X-ray amorphous and the Pr(foil)-doped fiber has the lowest overall optical loss. Pumping at 1550 nm wavelength, the Pr3+-doped fibers exhibit photoluminescence across a 3.5 to 6 ?m span; photoluminescence lifetimes are 10 ms for 3H5?3H4 and 2-3 ms for (3H6, 3F2)?3H5 transitions. A fast 0.21 ms decay for (3F3, 3F4)?3H6 is observed only in the PrCl3-doped fiber due to a lower phonon energy local environment of Pr3+ ions.
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 3, 2018 |
Publication Date | Dec 1, 2018 |
Deposit Date | Nov 16, 2018 |
Publicly Available Date | Nov 28, 2018 |
Journal | Optical Materials Express |
Electronic ISSN | 2159-3930 |
Publisher | Optical Society of America |
Peer Reviewed | Peer Reviewed |
Volume | 8 |
Issue | 12 |
Pages | 3910-3926 |
DOI | https://doi.org/10.1364/OME.8.003910 |
Public URL | https://nottingham-repository.worktribe.com/output/1272752 |
Publisher URL | https://www.osapublishing.org/ome/abstract.cfm?uri=ome-8-12-3910 |
Files
ome-8-12-3910
(4 Mb)
PDF
Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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