| Effect of Ce2O3 on the 1.53 μm spectroscopic properties in Er3+-doped tellurite glasses |
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| 引用本文： | 郑世超,周亚训,薛蕊.Effect of Ce2O3 on the 1.53 μm spectroscopic properties in Er3+-doped tellurite glasses[J].光电子快报,2015,11(2):107-110. |
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| 作者姓名： | 郑世超 周亚训 薛蕊 |
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| 作者单位： | Faculty of Electronic and Electrical Engineering,Huaiyin Institute of Technology;School of Physics and Electronic Information, Huaibei Normal University |
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| 基金项目： | supported by the National Natural Science Foundation of China(Nos.60725413 and 61401173);the National Spark Program(No.2013GA690405);the Natural Science Foundation of Education Bureau of Jiangsu Province(Nos.12KJD510003 and 13KJD510002);the Natural Science Foundation of Anhui Province in China(No.11040606M10) |
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| 摘 要： | The crown-like zinc oxide(Zn O)samples,which are composed of a hexagonal cap and a tower-like shaft,are prepared by vapor transport method.The hexagonal cap,working as a whispering gallery mode(WGM)resonant cavity,demonstrates density-dependent ultraviolet(UV)lasing emission with a broadened and squared photoluminescence(PL)profile under UV excitation at 355 nm.Theoretical analyses based on Fermi golden rule show that the broadened spectrum profile results from the special optical mode density characteristics in a WGM micro-cavity,which is in agreement with the observed results.
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| 关 键 词： | lasing gallery ultraviolet crown hexagonal resonant exciton golden tower Fermi |
| 收稿时间： | 2014/9/12 0:00:00 |
| 修稿时间： | 2014/10/8 0:00:00 |
Profile-broaden ultraviolet lasing from whispering gallery mode cavity in crown-like zinc oxide |
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| ZHENG Shi-chao,ZHOU Ya-xun and XUE Rui.Profile-broaden ultraviolet lasing from whispering gallery mode cavity in crown-like zinc oxide[J].Opto-electronics Letters,2015,11(2):107-110. |
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| Authors: | ZHENG Shi-chao ZHOU Ya-xun and XUE Rui |
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| Affiliation: | WANG Ma-hua;ZHU Guang-ping;JU Yong-feng;JI Ren-dong;FU Li-hui;Faculty of Electronic and Electrical Engineering,Huaiyin Institute of Technology;School of Physics and Electronic Information, Huaibei Normal University; |
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| Abstract: | Er3+/Ce3+ co-doped tellurite-based glasses with composition of TeO2-ZnO-Na2O are prepared by high- temperature melt-quenching technique. Effects of Ce2O3 content on the 1.53 µm band fluorescence spectra and fluorescence lifetime of Er3+ are measured and investigated. It is found that the tellurite glass containing Ce2O3 with molar concentration of 0.25% exhibits an increment of 13% in 1.53 µm fluorescence intensity and an increment of 15% in the 4I13/2 level lifetime. The results indicate that the prepared tellurite-based glass with a suitable Er3+/Ce3+ codoping concentration is an excellent gain medium applied for broadband Er3+-doped fiber amplifier (EDFA) pumped with a 980 nm laser diode. |
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