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Design of 4x4 GaAs-GaAlAs carrier-injected total internal reflect optical switch array

机译:4x4 GaAs-GaAlAs载流子全内反射光开关阵列设计

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Abstract: A new scheme of GaAs-GaAlAs total-internal-reflect (TIR) optical switch unit based on bandfilling effect is presented in this paper. Asymmetric Y-branch, which is the essential part of switch structure, is analyzed using beam propagate method (BPM) on three different conditions: index change due to injection, width of injection region and position of injection edge. Unit with two perpendicular output ports is designed according to the numerical results to realized small sized 4 $MUL 4 array which can easily couple with fibers and quickly give off heat. !7
机译:摘要:本文提出了一种基于带填充效应的GaAs-GaAlAs全内反射(TIR)光开关单元的新方案。非对称Y分支是开关结构的重要组成部分,它在三种不同的条件下使用束传播方法(BPM)进行了分析:注入引起的折射率变化,注入区域的宽度和注入边缘的位置。根据数值结果设计了带有两个垂直输出端口的单元,以实现小型4 $ MUL 4阵列,该阵列可以轻松地与光纤耦合并迅速散发热量。 !7

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