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利用转移矩阵技术,建立了薄膜近似下的多量子阱波导芯子区域等效折射率的解析公式。该公式是偏振态和量子阱波导折射率分布的函数。
Using the transfer matrix technique, the analytic formula of the equivalent refractive index in the multi-quantum-well waveguide core region under the film approximation is established. The formula is a function of the polarization state and the refractive index profile of the quantum well waveguide.