| Improved Fluorescence from Tm^3＋/Er^3＋/Ce^3＋ Triply Doped Bismuth-Silicate Glasses for S＋C-bands Amplifiers |
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| 作者姓名： | 王训四 聂秋华 刘立人 徐铁锋 沈祥 戴世勋 章向华 |
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| 作者单位： | [1]Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 [2]Faculty of Information Science and Engineering, Ningbo University, Zhejiang 315211 [3]Institut de Chimie de Rennes, Universite de Rennes, Rennes Cedex 135042, France |
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| 基金项目： | Supported by the Natural Science Foundation of Zhejiang Province under Grant No Y104498, the Science and Technology Department of Zhejiang Province under Grant Nos 2005C31014 and 2006C21082. |
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| 摘 要： | Fluorescence of Tm^3＋/Er^3＋ codoped bismuth-silica （BS） glasses and the sensitization of Ce^3＋ are investigated, It shows that Ce^3＋ codoping with Tm^3＋/Er^3＋ in BS glasses results in a quenching of Tm^3＋ ion emission from ^3F4 to the ^3H6 level. Consequently, the 1.47μm emission occurs after the population inversion between the ^3H4 and ^3F4 levels. Furthermore, the codoped glasses show the broad emission spectra over the whole S and C bands with full-width at half-maximum （FWHM） up to about 119nm, as it combines 1.55μm emission band of Er^3＋ with 1.47μm emission band of Tm^3＋ under 800hm excitation.
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| 关 键 词： | 改良荧光 铋硅酸盐 放大器 双掺杂 发射带 |
| 收稿时间： | 2006-05-09 |
| 修稿时间： | 2006-05-09 |
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