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本文利用解析近似法,研究对称平板光波导非线性TE波的截止特性。导出了计算这种波导截止值的解析公式。结果表明,即使光功率密度很大,我们公式的精度仍很高。
In this paper, the analytical approximation method is used to study the cut-off characteristics of nonlinear TE waves in symmetrical slab optical waveguides. The analytical formula for calculating this waveguide cutoff is derived. The results show that the accuracy of our formulas is high even at high optical power densities.