【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 ,产生自捕获现象更多还原

【Abstract】 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.更多还原