| 宽带碲基掺铒光纤放大器上能级粒子数反转比 |
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| 引用本文： | 周亚训,陈芬,杨高波. 宽带碲基掺铒光纤放大器上能级粒子数反转比[J]. 量子电子学报, 2005, 22(6): 941-945 |
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| 作者姓名： | 周亚训 陈芬 杨高波 |
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| 作者单位： | 宁波大学信息科学与工程学院,浙江,宁波,315211;宁波大学信息科学与工程学院,浙江,宁波,315211;宁波大学信息科学与工程学院,浙江,宁波,315211 |
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| 基金项目： | 浙江省自然科学基金，浙江省科技厅资助项目 |
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| 摘 要： | 对宽带碲基掺铒光纤放大器(EDTFA)上能级粒子数反转比进行了理论研究,得到了碲基掺铒光纤放大器上能级粒子数反转比随着光纤激活长度、信号输入功率、泵浦功率和纤芯掺杂浓度的演变关系,分析了上能级粒子数反转比分布与EDTFA信号增益间的关系.研究表明,碲基掺铒光纤内的上能级粒子数反转比分布决定了EDTFA的信号增益.
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| 关 键 词： | 光通信 粒子数反转比 信号增益 碲基掺铒光纤放大器 |
| 文章编号： | 1007-5461（2005）05-0941-05 |
| 收稿时间： | 2004-09-08 |
| 修稿时间： | 2004-12-16 |
Population inversion ratio of the upper state for broad-band Erbium-doped tellurite-based fiber amplifier |
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| ZHOU Ya-xun,CHEN Fen,YANG Gao-bo. Population inversion ratio of the upper state for broad-band Erbium-doped tellurite-based fiber amplifier[J]. Chinese Journal of Quantum Electronics, 2005, 22(6): 941-945 |
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| Authors: | ZHOU Ya-xun CHEN Fen YANG Gao-bo |
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| Abstract: | The theoretical studies of the upper state population inversion ratio for erbium-doped tellurite-based fiber amplifier(EDTFA) are presented, and its distribution curves with the activated fiber length, each channel signal input power, bi-directional pumping power and erbium-doped concentration, respectively, are also obtained. Investigations of the relations between the population inversion ratio and the signal gain of EDTFA are given. It is shown that the signal gain of EDTFA is determined by the upper state population inversion ratio |
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| Keywords: | optical comnmnication population inversion ratio signal gain EDTFA |
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