| Amplified spontaneous emission properties of a single mode Er~(3+)-doped tellurite fiber |
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| 作者姓名： | 张军杰 戴世勋 徐时清 汪国年 张丽艳 胡丽丽 |
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| 基金项目： | This work was supported by the Rising-Star Project (No. 04QMX1488)，of Shanghai Municipal Science and Technology Commission and the National Natural Science Foundation of China(No. 60207006). |
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| 摘 要： | Spectral characteristics of the amplified spontaneous emission (ASE) from a novel single mode Er~(3+) doped tellurite fiber with D-type cladding is reported in this letter. When pumped at 980 nm, an ASE source that has nearly a 100-nm flat FWHM bandwidth is obtained with a fiber length of 30-60 cm. Variation of ASE spectra with pump powers and fiber lengths are measured. Output power up to 2.0 mW is obtained with a launched pump power of 660 mW.
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