针对自聚焦和自散焦介质分别进行了讨论，获得了具有潜在应用价值的结论。
The discussion is focused on both self-focusing and self-defocusing medium. Some results with potential applications are given.
此设计方法可以对不同的材料(自聚焦、自散焦)、不同的非线性折射率和波长等进行波导全光开关优化设计。
It can be used to optimize the all optical switch design for different materials (self focus and defocus), nonlinear indices and wavelengths.
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