| 利用自相位调制效应测量微结构光纤的非线性系数 |
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| 引用本文： | 鹿晴晴,徐永钊,张霞,黄永清,任晓敏.利用自相位调制效应测量微结构光纤的非线性系数[J].量子电子学报,2008,25(4):509-512. |
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| 作者姓名： | 鹿晴晴 徐永钊 张霞 黄永清 任晓敏 |
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| 作者单位： | 北京邮电大学光通信与光波技术教育部重点实验室,北京,100876 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)，教育部科学技术研究重点项目，高等学校学科创新引智计划 |
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| 摘 要： | 报道了利用光纤中的自相位调制(SPM)效应对微结构光纤的非线性系数进行测量的实验.实验中采用半导体激光器作为脉冲光源,输出宽度为1.6 ps的双曲正割型脉冲,经掺铒光纤放大器(EDFA)放大后进入80 m的色散平坦微结构光纤,由于自相位调制效应,出射光谱得到展宽.通过测量输入微结构光纤的脉冲峰值功率和输出光谱,可以计算得到微结构光纤的非线性系数.该测量方法简单、准确,实验测量值与光纤的标称值误差小于1%.
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| 关 键 词： | 光纤光学 微结构光纤 自相位调制 非线性系数测量 |
| 收稿时间： | 2007/6/18 |
Nonlinear coefficient measurement of microstructure fiber based on self-phase modulation |
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| LU Qingqing,XU Yongzhao,ZHANG Xia,HUANG Yongqing,REN Xiaomin.Nonlinear coefficient measurement of microstructure fiber based on self-phase modulation[J].Chinese Journal of Quantum Electronics,2008,25(4):509-512. |
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| Authors: | LU Qingqing XU Yongzhao ZHANG Xia HUANG Yongqing REN Xiaomin |
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| Affiliation: | LU Qing-qing XU Yong-zhao ZHANG Xia HUANG Yong-qing REN Xiao-min (Key Laboratory of Optical Communication , Lightwave Technologies,Ministry of Education,Beijing University of Posts , Telecommunications Beijing 100876,China) |
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| Abstract: | The measurement of nonlinear coefficient of microstructure fiber based on self-phase modulation (SPM) is experimentally demonstrated.A semiconductor laser with 1.6 ps hyperbolic secant shape pulses at a repetition rate of 10 GHz is used as light source.After amplified by the EDFA,the pulses are injected into an 80-m-long dispersion-flattened microstructure fiber.The output spectra of the pulses are broadened due to SPM.By measuring the peak power of the input pulse and the output spectrum,nonlinear coeffici... |
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| Keywords: | fiber optics microstructure fiber self-phase modulation nonlinear coefficient measurement |
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