Spectroscopic Properties of Er³⁺-Doped Ga₂O₃-GeO₂-Bi₂O₃-PbO Glass

Abstract:

Spectroscopic properties in Er³⁺-doped Ga₂O₃-GeO₂-Bi₂O₃-PbO（BP）glass have been investigated and their promising application as Er³⁺-doped fiber amplifiers (EDFA) has also been evaluated under the excitation of 980 nm. The important roles of Bi₂O₃ substitution for PbO on spectroscopic properties, such as Judd-Ofelt intensity parameters (t=2, 4, 6) and emission spectra of Er³⁺, have been studied. The calculated peak emission cross-section of the 4I13/2→4I15/2 transition of Er³⁺ ions are 16.03×10^-21 cm² when the substituted PbO content by Bi₂O₃ is about 25 mol. The product of the peak emission cross-section ( ) and the full width at half-maximum (FWHM) of the sample is~689.29×10^-28 cm³, which is higher than that of Er³⁺-doped silicate, phosphate and ZBLAN glasses. It was found that the substitution of Bi₂O₃ for PbO provides two potentials: broadening the full width at half-maximum of 1.53 μm fluorescence and improving the values of FWHM× of Er³⁺. The results strongly support that the Er³⁺-doped BP2 glass could be identified as a promising material for achieving 1.53 μm fiber amplifier.

• Periodical: Advanced Materials Research (Volumes 399-401)
• Pages: 997-1001
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.399-401.997
• Online since: November 2011
• Authors: Dong Mei Shi, Ying Gang Zhao, Jin Liu, Xiao Feng Wang
• Keywords: 1.53 µm Luminescence, Er³⁺-Doped, Ga₂O₃-GeO₂-Bi₂O₃-PbO Glass, Spectroscopic Properties

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