From coupled mode theory, the mathematical model of LPG was established.

其次从耦合模理论出发, 建立了长周期光纤光栅的数学模型.

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Through coupled - mode theory , the simulation of the coupling properties of the slanted grating is given angle.

提出了一种基于斜光栅辅助的非对称耦合器型光分插复用器.

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Modulation instability in fiber grating with nonlinearity management is studied based on the nonlinear coupled - mode equations.

基于非线性耦合模方程,研究了非线性管理光纤光栅中的调制不稳定性,得到了调制不稳定性的色散关系.

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