| 平坦色散高非线性光子晶体光纤的制备与实验 |
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| 引用本文： | 苑金辉,侯蓝田,周桂耀,高飞,王康.平坦色散高非线性光子晶体光纤的制备与实验[J].光电子．激光,2008,19(8). |
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| 作者姓名： | 苑金辉 侯蓝田 周桂耀 高飞 王康 |
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| 作者单位： | 燕山大学信息科学与工程学院,燕山大学红外光纤与传感研究所,河北,秦皇岛,066004 |
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| 基金项目： | 国家重点基础研究发展规划资助项目
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国家高技术研究发展计划资助项目 |
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| 摘 要： | 运用改进的全矢量有效折射率法(IFVEIM),课题组自行设计了一种在900 nm附近具有低平坦色散高非线性特性的光子晶体光纤.并且在改进工艺的基础上,采用中心抽真空挤压法对其进行了制备.虽然所制得光纤的结构参数与理论设计值存在一定的偏差,但其在所研究波段内色散值仅为0.5 ps/km/nm,非线性系数值则达到了35(W*km)-1,这在当前规则结构的纯硅光子晶体光纤中已经很高.最后,我们对其进行了非线性实验测试,其在400～1 400 nm的波段范围内展现出了宽平坦的超连续谱.
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| 关 键 词： | 光子晶体光纤 改进的全矢量有效折射率法 低平坦色散 高非线性 中心抽真空挤压法 超连续谱 |
Experiment and fabrication of photonic crystal fiber with flattened dispersion and high nonlinearity |
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| YUAN Jin-hui,HOU Lan-tian,ZHOU Gui-yao,GAO Fei,WANG Kang.Experiment and fabrication of photonic crystal fiber with flattened dispersion and high nonlinearity[J].Journal of Optoelectronics·laser,2008,19(8). |
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| Authors: | YUAN Jin-hui HOU Lan-tian ZHOU Gui-yao GAO Fei WANG Kang |
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| Affiliation: | YUAN Jin-hui,HOU Lan-tian,ZHOU Gui-yao,GAO Fei,WANG Kang(Institute of Infrared Optical Fibers , Sensors,College of Information Science , Engineering,Yanshan University,Qinhuangdao 066004,China) |
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| Abstract: | Using the improved fully vectorial effective index method(IFVEID),a highly nonlinear photonic crystal fiber(PCF) with low flattened dispersion on the verge of infrared wave band nearby 900 nm is designed.Furthermore,it is fabricated with the improved extrusion method of the center vacuumized.Although the PCF fabricated has not achieved the ideal value,its dispersion coefficient is merely 0.5 ps/km/nm,and non-linear coefficient achieves 35(W*km)-1,which is very high in PCF made of silicon.Moreover,a smooth a... |
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| Keywords: | photonic crystal fiber improved fully vectorial effective index method flattened dispersion high nonlinearity extrusion method of the center vacuumized supercontinuum |
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