全同态带隙结构光子晶体光纤能够同时提供大模场面积和可控色散特性,为高功率下的非线性传输过程提供了一种新的介质,尤其在构成全光纤色散补偿和高功率孤子传输器件方面具有重要的应用价值.利用改进的广义非线性薛定谔方程数值模拟了全固态带隙结构光子晶体光纤中的非线性过程,分析了这种光纤中由于带隙特性和色散特性的共同作用,对飞秒激光非线性传输过程的影响,其中最明显的效应就是带隙特性对孤子自频移有很强的抑制作用.进一步详细讨论了入射脉冲峰值功率、带隙宽度以及带隙中心位置对非线性传输过程的影响.
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