y branch meaning in English
y 形支管
y形支管
Examples
- The tested results were well agreed with theory values . the on - chip excess loss of the 1x4 splitter based on 1x2 mmi y branches was tested about 3 . 1db , and the uniformity was about 0
实验测得基于1 2mmiy分叉结构的紧凑型1 4功分器，片内额外损耗约为3 . 1db ，均匀性约为0 . 4db 。 - In this thesis , optical couplers consisting of multimode interference ( mm ! ) coupler , y branch , directional coupler ( dc ) and mach zehnder interferometer ( mzi ) were analyzed and simulated
本论文对各种平面波导型耦合器： mmi 、分支波导、定向耦合器和mach - zehnder进行了模拟和优化设计。 - The finite difference beam propagation method ( fd - bpm ) can simulate the performance of the waveguide accurately . single mode rid waveguide structure parameters are derived by variational - effective index method ; fd - bpm and its transparent boundary condition ( tbc ) are concerned , and then the eim used to transfer a 3d waveguide to 2d waveguide is analyzed ; finally we summarize the characteristic of the y branch
本文先利用变分有效折射率法推导出满足单模传输的脊形波导结构参数;接着介绍了有限差分束传播法及求解的透明边界条件,同时分析了将三维结构转化为二维结构的有效折射率法,最后对y分支的特性进行了模拟。 - Based on the enlarged waveguide y - branch , we introduced the sheared y - branch tir structure . after analyzing the structure parameters of the sheared asymmetrical y - branch , the extinction ratio of the tir optical switch can be more than 40db in theory . by wet erode , we finished photon - induce total internal reflection y branch optical switch with gaas material
在展宽型y分叉的基础上，提出了隔离型非对称y分叉全内反射结构，通过对隔离型非对称y分叉的结构参数的分析，在理论上可以设计出消光比达到40db以上的全内反射型光开光。