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OALib Journal期刊
ISSN: 2333-9721
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梳状色散光纤中自相似脉冲传输的数值研究
, PP. 613-618
Keywords: 非线性光学,梳状色散光纤,自相似脉冲,啁啾
Abstract:
从脉冲在光纤中传输所满足的非线性薛定谔方程出发,以双曲渐减的正常色散渐减光纤(ND-DDF)获得线性啁啾自相似脉冲为基础,采用窗口为1550nm的色散光纤构成梳状色散光纤(CDPF),并给出了相应的理论模型,利用该模型,通过数值模拟的方法研究和分析了脉冲在接近于色散渐减光纤的色散变化趋势的梳状色散光纤中演化成自相似脉冲以及其自相似指数变化.结果表明,中心波长为1550nm的双曲正割脉冲在不同初始能量和不同初始脉冲宽度的情况下,梳状色散光纤可以产生抛物线型自相似脉冲且具有很好的线性啁啾特性.
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