Coupled-mode equations的意思|示意

Using conventional coupled-mode theory, a set of coupled-mode equations are formulated for single-helix chiral fiber long-period gratings. A helical-core fiber is analyzed as an example.

采用传统的耦合模理论，建立了单螺旋手征长周期光纤光栅的耦合模方程，并以螺旋芯光纤为例进行了理论分析。

The approximate numerical method to deal with the coupled mode equations is presented in detail and the rationality of the method is given.

详细地给出耦合模方程近似处理的方法，并说明了其合理性。

Through the curve of resonant wavelength versus period, we present a new method to analyze the shift of resonant wavelength of LPFG during UV laser writing without solving the coupled-mode equations.

它通过常见的谐振波长与周期的关系曲线，不用解耦合模方程就可以直接分析LPFG的振波长的漂移和调谐特性。

Modulation instability in fiber grating with nonlinearity management is studied based on the nonlinear coupled-mode equations. The dispersion relation for modulation instability is obtained.

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。

The coupled mode equations are built by means of expanding perfect waveguide modes.

按照理想波导模展开法推导了模式耦合方程。

When the new coupled-mode equations are solved, a more accurate result of the Bragg wavelength is obtained, which is coincided with experimental result.

通过求解耦合方程，得出了更严格的、与实验结果相符的布拉格波长表达式。