Effect of Eu³⁺ on Spectroscopic Properties and Energy Transfer in Er³⁺/Eu³⁺-Doped Ga₂O₃-GeO₂ Glass

Abstract:

Spectroscopic properties and energy transfer (ET) in Er³⁺/Eu³⁺-doped Ga2O3-GeO2 glass have been investigated. Effects of alkali metal and alkaline earth metals ions on thermal stability of Er³⁺-doped gallate-germanium glass have been investigated. Simultaneously influences of Eu³⁺ codoping on the optical properties of Er³⁺-doped Ga₂O₃-GeO₂-Na₂O (GN) glass have been investigated and the possible ET mechanisms involved have also been discussed. Significant enhancement of the 1.53 µm emission intensity and decrease of upconversion (UC) fluorescence with increasing Eu3+ concentration have been observed. The results indicate that the incorporation of Eu³⁺ into Er³⁺-doped GN glass can effectively improve 1.53-μm and lower UC luminescence, which makes GN glass more attractive for their use in C-band optical fiber amplifiers.

• Periodical: Advanced Materials Research (Volumes 399-401)
• Pages: 930-934
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.399-401.930
• Online since: November 2011
• Authors: Ying Gang Zhao, Dong Mei Shi, Jin Liu, Xiao Feng Wang
• Keywords: 1.53 µm Luminescence, Energy Transfer, Eu³⁺, Spectroscopic Properties

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