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色散平坦渐减光纤中交叉相位调制对超连续谱产生的增强效应 被引量:2

Enhanced Generation of Supercontinuum Spectrum in a Dispersion-flattened and Decreasing Fiber by Cross-phase Modulation
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摘要 研究了在色散平坦渐减光纤中 ,交叉相位调制效应对光脉冲的传输以及超连续谱产生的影响 研究结果表明 ,交叉相位调制效应对超连续谱的产生起到增强的作用 ,提高了超连续谱产生的效率 在一定条件下 ,尽管脉冲的两个偏振分量的模式折射率不同 ,但由于交叉相位调制效应 ,它们能相互俘获并以共同的群速度传输 。 The effect of cross phase modulation (XPM) on pulse propagation and supercontinuum (SC) spectrum generation in a dispersion flattened and decreasing fiber is researched. The results indicated that XPM could enhance the SC spectrum generation and increase the generation efficiency. Under certain conditions, in spite of their different modal indices the two polarized components of the pulse can trap one anther and move at a common group velocity due to XPM, the phenomenon referred as self trapping occur.
出处 《光子学报》 EI CAS CSCD 北大核心 2004年第4期431-434,共4页 Acta Photonica Sinica
基金 广东省教育厅自然科学基础研究项目 ( 2 0 0 0 19)资助课题
关键词 非线性光学 超连续谱 色散平坦渐减光纤 交叉相位调制 Nonlinear optics Supercontinuum spectrum Dispersion flattened and decreasing fiber Cross phase modulation
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参考文献15

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二级参考文献11

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