首页> 外文会议>Conference on Optical Components and Materials; 20040126-20040127; San Jose,CA; US >Er~(3+)/Yb~(3+) co-doped soda-lime silicate glasses: a case study
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Er~(3+)/Yb~(3+) co-doped soda-lime silicate glasses: a case study

机译:Er〜(3 +)/ Yb〜(3+)共掺杂钠钙硅酸盐玻璃的研究

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Silicate glasses are among the best hosts for rare-earth ions, especially for the development of integrated optic amplifiers and lasers, due to their chemical robustness and adaptability to different waveguide fabrication processes. We performed a detailed study of a set of six experimental soda-lime silicate glasses, all having approximately the same base composition but doped with different percentages of Er~(3+) and Yb~(3+) ions. Judd-Ofelt analysis was performed on these glasses and the calculated radiative lifetimes were compared with the experimental ones. Planar waveguides were fabricated by using ion-exchange technology, and a new analytical function was used to fit the index profile of the waveguides. Luminescence and Raman spectroscopy was performed on most waveguide samples, and upconversion emission was evaluated. Channel waveguide insertion losses were reduced by using annealing processes, and net gain around 1535 nm was obtained. The gain, so far, is limited, but we are confident to be able to further increase the amplifier performances. Meanwhile, we are also developing a new type of silicate glass doped with alumina in order to increase the gain bandwidth.
机译:硅酸盐玻璃是稀土离子的最佳宿主之一,特别是对于集成光放大器和激光器的开发而言,由于它们的化学稳定性和对不同波导制造工艺的适应性,尤其如此。我们对一组六个实验性钠钙硅酸盐玻璃进行了详细的研究,它们的碱组成大致相同,但掺有不同百分比的Er〜(3+)和Yb〜(3+)离子。对这些玻璃进行了Judd-Ofelt分析,并将计算出的辐射寿命与实验玻璃进行了比较。通过使用离子交换技术制造平面波导,并使用新的分析函数来拟合波导的折射率分布。对大多数波导样品进行了发光和拉曼光谱分析,并评估了上转换发射。通过使用退火工艺减少了通道波导的插入损耗,并获得了约1535 nm的净增益。到目前为止,增益是有限的,但是我们有信心能够进一步提高放大器的性能。同时,我们还在开发一种新型的掺有氧化铝的硅酸盐玻璃,以增加增益带宽。

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