| Higher-order effects on self-similar parabolic pulse in the microstructured fibre amplifier |
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| 引用本文： | 刘伟慈,徐文成,冯杰,陈伟成,李书贤,刘颂豪. Higher-order effects on self-similar parabolic pulse in the microstructured fibre amplifier[J]. 中国物理 B, 2008, 17(3): 1025-1028 |
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| 作者姓名： | 刘伟慈 徐文成 冯杰 陈伟成 李书贤 刘颂豪 |
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| 作者单位： | Laboratory of Photonic Information Technology, School ofInformationand PhotoelectricScience and Engineering，South China Normal University, Guangzhou 510006, China;Laboratory of Photonic Information Technology, School ofInformationand PhotoelectricScience and Engineering，South China Normal University, Guangzhou 510006, China;Laboratory of Photonic Information Technology, School ofInformationand PhotoelectricScience and Engineering，South China Normal University, Guangzhou 510006, China;Laboratory of Photonic Information Technology, School ofInformationand PhotoelectricScience and Engineering，South China Normal University, Guangzhou 510006, China;Laboratory of Photonic Information Technology, School ofInformationand PhotoelectricScience and Engineering，South China Normal University, Guangzhou 510006, China;Laboratory of Photonic Information Technology, School ofInformationand PhotoelectricScience and Engineering，South China Normal University, Guangzhou 510006, China |
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| 基金项目： | Project supported by the NationalScience Foundation of Guangdong Province, China(Grant No 04010397). |
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| 摘 要： | By considering higher-order effects, the properties of self-similar parabolic pulses propagating in the microstructured fibre amplifier with a normal group-velocity dispersion have been investigated. The numerical results indicate that the higher-order effects can badly distort self-similar parabolic pulse shape and optical spectrum, and at the same time the peak shift and oscillation appear, while the pulse still reveals highly linear chirp but grows into asymmetry. The influence of different higher-order effects on self-similar parabolic pulse propagation has been analysed. It shows that the self-steepening plays a more important role. We can manipulate the geometrical parameters of the microstructured fibre amplifier to gain a suitable dispersion and nonlinearity coefficient which will keep high-quality self-similar parabolic pulse propagation. These results are significant for the further study of self-similar parabolic pulse propagation.
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| 关 键 词： | 相似性脉冲 显微结构放大器 高级色散 非线性反应 |
| 收稿时间： | 2007-04-11 |
| 修稿时间： | 2007-09-16 |
Higher-order effects on self-similar parabolic pulse in the microstructured fibre amplifier |
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| Liu Wei-Ci,Xu Wen-Cheng,Feng Jie,Chen Wei-Cheng,Li Shu-Xian and Liu Song-Hao. Higher-order effects on self-similar parabolic pulse in the microstructured fibre amplifier[J]. Chinese Physics B, 2008, 17(3): 1025-1028 |
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| Authors: | Liu Wei-Ci Xu Wen-Cheng Feng Jie Chen Wei-Cheng Li Shu-Xian Liu Song-Hao |
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| Affiliation: | Laboratory of Photonic Information Technology, School ofInformationand PhotoelectricScience and Engineering，South China Normal University, Guangzhou 510006, China |
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| Abstract: | By considering higher-order effects, the properties of self-similarparabolic pulses propagating in the microstructured fibre amplifierwith a normal group-velocity dispersion have been investigated. Thenumerical results indicate that the higher-order effects can badlydistort self-similar parabolic pulse shape and optical spectrum, andat the same time the peak shift and oscillation appear, while thepulse still reveals highly linear chirp but grows into asymmetry. Theinfluence of different higher-order effects on self-similar parabolicpulse propagation has been analysed. It shows that theself-steepening plays a more important role. We can manipulate thegeometrical parameters of the microstructured fibre amplifier to gaina suitable dispersion and nonlinearity coefficient which will keephigh-quality self-similar parabolic pulse propagation. These resultsare significant for the further study of self-similar parabolic pulsepropagation. |
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| Keywords: | self-similar parabolic pulse microstructured fibre amplifier higher-order dispersion nonlineareffect |
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