| 受激喇曼散射对自相似脉冲产生的影响 |
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| 引用本文： | 张巧芬,吴黎明,吕华,汤秀春,王桂棠,石智伟,王昆.受激喇曼散射对自相似脉冲产生的影响[J].光子学报,2009,38(10). |
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| 作者姓名： | 张巧芬 吴黎明 吕华 汤秀春 王桂棠 石智伟 王昆 |
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| 作者单位： | 1. 广东工业大学,信息工程学院,广州,510006
2. 广东工业大学,实验教学部,广州,510006 |
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| 基金项目： | 广东工业大学青年基金 |
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| 摘 要： | 研究了在受激喇曼散射与三阶色散共同作用下,自相似脉冲在具有正常色散的色散渐减光纤中的演化情况.结果表明:在同一个传输距离上,当考虑受激喇曼散射与三阶色散的共同影响时,脉冲中心的不对称特性相对好转;产生中心漂移与边缘振荡较只有三阶色散作用时要减弱,啁啾仍然具有很强的线性特性,但是线性范围减小,导致频谱的窄化以及对接下来自相似脉冲的压缩产生了不利影响;而且光纤长度的延长并没有起到展宽啁啾线性范围的效果,反而导致严重的啁啾非线性;因此对脉冲进行压缩后,压缩脉冲质量较不考虑受激喇曼散射时要差.
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| 关 键 词： | 非线性光纤光学 自相似脉冲 色散渐减光纤 三阶色散 受激喇曼散射 |
Influence of Stimulated Raman Scattering on Parabolic Pulse Propagation in a Dispersion-decreasing Fiber |
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| ZHANG Qiao-fen,WU Li-ming,L Hua,TANG Xiu-chun,WANG Gui-tang,SHI Zhi-wei,WANG Kun.Influence of Stimulated Raman Scattering on Parabolic Pulse Propagation in a Dispersion-decreasing Fiber[J].Acta Photonica Sinica,2009,38(10). |
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| Authors: | ZHANG Qiao-fen WU Li-ming L Hua TANG Xiu-chun WANG Gui-tang SHI Zhi-wei WANG Kun |
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| Institution: | ZHANG Qiao-fen,WU Li-ming,L(U) Hua,TANG Xiu-chun,WANG Gui-tang,SHI Zhi-wei,WANG Kun |
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| Abstract: | Considering Third-order Dispersion and Stimulated Raman Scattering effect, the properties of the self-similar parabolic pulse evolution in a dispersion-decreasing optical fiber with normal group-velocity dispersion are investigated. The results show that parabolic pulses are distorted less and the characteristic of exactly self-similarity will be better due to SRS effect than only considering TOD effect. The pulse still reveals highly linear chirp only linearity range narrow down. The highly linear chirp in optical pulse still allows for efficient and high-quality pulse compression by use of dispersion compensation technique. |
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| Keywords: | Nonlinear Fiber optics Self-similar pulse Dispersion-decreasing fiber Third-order dispersion Stimulated Raman Scattering |
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