色散平坦渐减光纤中超连续谱产生的特性研究

1.华南师范大学量子电子学研究所,广东,广州,510631

2.华南师范大学量子电子学研究所,广东,广州,510631

3.华南师范大学量子电子学研究所,广东,广州,510631

4.华南师范大学量子电子学研究所,广东,广州,510631

基金项目: 广东省教育厅自然科学基金(200019)

Study on supercontinuum generation in dispersion-flattened and decreasing fiber

理论研究了色散平坦渐减光纤中超连续谱的产生.研究结果表明,光纤的色散特征对光脉冲的传输和超连续谱的产生有重要影响.由于在泵浦波长处光纤的色散斜率为零,因此脉冲在光纤中传输时保持对称,并产生对称的超连续谱.光纤的色散曲线越平坦,色散曲线的两个零色散波长相距就越远,越有利于超连续谱的展宽.

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