Luminescence Properties of Er³⁺-Doped Ga₂O₃-GeO₂-Bi₂O₃-R₂O (R=Na and K) for 1.53 μm Fiber Amplifier

Abstract:

An intense broadband 1.53-μm emission with a full width at half-maximum of 51.2 nm and peak emission cross-section of 8.58×10^-21 cm² of Er³⁺-doped Ga₂O₃-GeO₂-Bi₂O₃-R₂O (R= Na⁺, K⁺) glass have been obtained upon 980 nm diode-laser excitation. Effects of alkali metal ions on the thermal stability and spectroscopic properties of Er³⁺-doped Ga₂O₃-GeO₂-Bi₂O₃ glass have been investigated. It is found that the incorporation of Na⁺ replacing K⁺ into Er³⁺-doped Ga₂O₃-GeO₂-Bi₂O₃ glass can effectively improve the 1.53-μm emission and deduce upconversion luminescence .The results show that Ga₂O₃-GeO₂-Bi₂O₃-Na₂O glass might be an attractive host material for their application in C-band optical fiber amplifiers.

• Periodical: Advanced Materials Research (Volume 510)
• Pages: 614-618
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.510.614
• Online since: April 2012
• Authors: Ying Gang Zhao, Dong Mei Shi, Xiao Feng Wang
• Keywords: Alkali Metal Ions, Er³⁺ Ion, Spectroscopic Properties

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