| Superluminal Propagation in Er^3＋-doped Fiber Bragg Grating |
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| 作者姓名： | ZHUO Zhong-chang SU Xue-mei YU Yong-sen ZHENG Wei ZHANG Yu-shu |
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| 作者单位： | [1]State Key Lab. , of Integrated Opto-electronics, Jilin University, Changchun 130023, CHN [2]College of Phys. , Jilin University, Chuangchun 130023, CHN |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | The method to pump the FBGT written into an Er^3＋-doped optical fiber is proposed to increase the group velocity of a probing pulse based on the facts that pump-induced process changes the refractive index and dispersion associated with the ^4I15/2-^4I12/2 transition in Er^3＋-doped optical fiber.The system equations are derived.The effects of pump power and doping concentration on the group velocity are discussed.
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| 关 键 词： | 光纤 超光速传播 Bragg光波 抽吸过程 |
| 文章编号： | 1007-0206（2005）03-0145-05 |
| 收稿时间： | 2004-11-22 |
| 修稿时间： | 2005-01-17 |
Superluminal Propagation in Er3+-doped Fiber Bragg Grating |
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| ZHUO Zhong-chang SU Xue-mei YU Yong-sen ZHENG Wei ZHANG Yu-shu.Superluminal Propagation in Er3+-doped Fiber Bragg Grating[J].Semiconductor Photonics and Technology,2005,11(3):145-149. |
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| Authors: | ZHUO Zhong-chang SU Xue-mei YU Yong-sen ZHENG Wei ZHANG Yu-shu |
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| Abstract: | The method to pump the FBG written into an Er3 -doped optical fiber is proposed to increase the group velocity of a probing pulse based on the facts that pump-induced process changes the refractive index and dispersion associated with the 4I15/2 -4I13/2 transition in Er3 -doped optical fiber. The system equations are derived. The effects of pump power and doping concentration on the group velocity are discussed. |
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| Keywords: | Bragg grating Superluminal Pump |
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