Firstly, the comparison of numerical analysis results and the small signal analysis results is given based on the coupled mode equation.
首先从耦合模方程出发，比较了数值分析结果与小信号近似分析的结果。
The coupled mode equation, reflectivity formula and transmission matrix formula are strictly educed in the appendices.
耦合模方程、反射率公式、传输矩阵公式的详细推导在附录中。
The coupled equation of two-wave mixing and expressions for weak beam amplification in a single mode waveguide are deduced by application of coupled wave theory.
本文利用耦合波理论分析推导了单模平面光波导中两波混合的耦合波方程和弱相干光放大率的表示式。
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