采用数值模拟的方法研究了光纤布拉格光栅(FBG)的非线性双稳开关特性。从耦合模理论出发,利用Jacobi椭圆函数法得到了3种不同的解,首先对3种解下的非线性双稳开关特性分别进行比较,然后针对各个解下的影响开关特性的失谐量、耦合系数和光栅长度等参数进行分析,研究结果对于分析和构建非线性双稳FBG光开关具有一定的意义。
李丽君, 曹莹, 周秀丽, 于国亮
doaj
利用光纤 -线性啁啾光纤光栅进行光脉冲的压缩 ,首先讨论了线性啁啾光纤光栅的色散特性 ,并给出耦合系数为反高斯函数的线性啁啾光纤光栅的色散特性 ;然后利用此种光纤光栅与正常色散光纤结合进行光脉冲的压缩 ,通过理论和数值分析 ,得出一简单设计规则 ;最后利用此规则设计一个压缩因子为 1 0的光纤 -线性啁啾光纤光栅压缩器。
林宁, 张晓光, 俞重远, 杨伯君
doaj
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