大孔径光纤过渡器中光波特性分析
东南大学电子工程系,南京 210096
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摘要
提出了基于束传输法(BPM)的大孔径光纤锥形过渡器理论分析模型。讨论了过渡器在纵向边界线性和非线性情况下(包括类似正弦型和余弦型变化),分别以大小端作为输入端口,耦合角度以及耦合长度对过渡器的损耗和耦合效率的影响,得出了过渡器最佳纵向边界、耦合角度和耦合长度。
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