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利用计算机求解有效折射率的方法，对两种脊形波导进行分析。结果表明，同一结构参数的脊形波导脊上覆盖Ｓｉ层其余部分覆盖ＳｉＯ２层比全覆盖ＳｉＯ２层对光限制作用强
Using the computer to solve the effective refractive index, two kinds of ridge waveguide are analyzed. The results show that the same structural parameters of the ridge waveguide ridge covered the rest of the Si layer covered SiO2 layer than the full coverage of SiO2 layer of the light-limiting strong