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Spectral Properties of Erbium-Doped Oxyfluoride Silicate Glasses for Broadband Optical Amplifiers |
XU Shi-Qing;YANG Zhong-Min;DAI Shi-Xun;YANG Jian-Hu;WEN Lei;HU Li-Li;JIANG Zhong-Hong |
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
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Cite this article: |
XU Shi-Qing, YANG Zhong-Min, DAI Shi-Xun et al 2003 Chin. Phys. Lett. 20 905-908 |
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Abstract The new oxyfluoride silicate glasses of Er3+-doped 50SiO2-(50-x)PbO-xPbF2 were prepared. With increasing PbF2 content in the glass composition, the fluorescence full width at half max maximum and lifetimes of the 4I13/2 level of Er3+ increase, while the refractive indices and densities decrease. Er3+-doped 50SiO2-50PbF2 glass showed broad fluorescence spectra of 1.55μm with a large stimulated emission cross-section and long lifetimes of 4I13/2 level of Er3+. Compared with other glass hosts, the gain bandwidth properties of Er3+-doped 50SiO2-50PbF2 glass are close to those of tellurite and bismuth glasses, and have advantages over those of silicate, phosphate and germante glasses. The broad and flat 4I13/2 → 4I15/2 emission of Er3+ around 1.55μm can be used as host material for potential broadband optical amplifier in wavelength-division-multiplexing network system.
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Keywords:
73.43.Fj
74.25.Gz
73.61.Jc
76.30.Kg
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Published: 01 June 2003
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PACS: |
73.43.Fj
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(Novel experimental methods; measurements)
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74.25.Gz
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(Optical properties)
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73.61.Jc
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(Amorphous semiconductors; glasses)
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76.30.Kg
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(Rare-earth ions and impurities)
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