Multichannel transition emissions of Dy3 in fiber-adaptive germanium tellurite glasses

Y. H. Li; B. J. Chen; E. Y B Pun; H. Lin

doi:10.1063/1.4796185

Author(s)

Y. H. Li
B. J. Chen
E. Y B Pun
H. Lin

Related Research Unit(s)

Department of Electrical Engineering

Detail(s)

Original language	English
Article number	123507
Journal / Publication	Journal of Applied Physics
Volume	113
Issue number	12
Publication status	Published - 28 Mar 2013

Link(s)

DOI	DOI https://doi.org/10.1063/1.4796185 Final Published version
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Attachment(s)	Documents 5828620.pdf Final Published version, 1.78 MB, PDF Publisher's Copyright Statement COPYRIGHT TERMS OF DEPOSITED FINAL PUBLISHED VERSION FILE: This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Y. H. Li, B. J. Chen, E. Y. B. Pun, and H. Lin , "Multichannel transition emissions of Dy3+ in fiber-adaptive germanium tellurite glasses", Journal of Applied Physics 113, 123507 (2013) and may be found at https://doi.org/10.1063/1.4796185.
Link to Scopus	https://www.scopus.com/record/display.uri?eid=2-s2.0-84875792753&origin=recordpage
Permanent Link	https://scholars.cityu.edu.hk/en/publications/publication(6fb6f947-8a87-4422-b170-38ef4d42a9cd).html

Abstract

Multichannel transition visible and near-infrared (NIR) fluorescences have been captured in Dy³-doped fiber-adaptive Na₂O-ZnO-PbO- GeO₂-TeO₂ glasses. The maximum stimulated emission cross-sections σ_em-max were derived to be 0.33 × 10 ^-21, 3.66 × 10^-21, and 0.67 × 10^-21 cm² for conventional visible emissions assigned to ⁴F_9/2→⁶H_J (J 15/2, 13/2, and 11/2) transitions, respectively. Infrequent multi-peak NIR emissions were recorded in the spectral range of 900-1500 nm, among which the values of σ_em-max were solved to be 1.05 × 10^-22 and 1.56 × 10^-22 cm² for ∼1.02 and ∼1.18 μm emission bands. Internal quantum efficiency for the ⁴F_9/2 level and external quantum yield for visible emissions of Dy³ were determined to be 88.44 and 12.38, severally. Effective multichannel radiative emissions reveal a potential in developing fiber-lighting sources, tunable lasers, and NIR optical amplifiers. © 2013 American Institute of Physics.