y-branch造句

• Asymmetric y - branching tir all - optical switch
  分叉全内反射型全光开关
• The two main elements are analyzed in detail : coupling loss and y - branch loss
  我们对这其中的最主要因素耦合损耗和y分支结构损耗进行了详细地分析。
• Secondly , simulation results aim at some passive devices , such as mmi and y - branch are given
  在保证一定精度的前提下，这种方法能够平滑地处理soi材料的折射率突变界面。
• Loss in the device includes coupling loss , y - branch loss , electrode absorbing loss and material loss
  调制器的损耗包括耦合损耗， y分支结构损耗，电极吸收损耗及材料的散射损耗等等。
• Using the method of simulation calculation and compare , we choice the structure of y - branch balance bridge interference switch
  经过模拟分析和比较，选择y分叉平衡桥路干涉型光开关结构。
• Y - branch has a simple structure and high reproducibility , it is possible to fabricate compact branching devices with stable branching rations
  Y分支结构不仅结构简单、可重复性生产而且其两分支输出稳定。
• The thesis gives a simulation result of s - shape y - branch structure with numerical computation software and it also meets the demand
  本文结合已有的软件对s弯曲结构进行了分析模拟，也得到了达到性能指标的分析结果。
• A s - bend symmetric y - branch has been proposed to obtain lower light transmission loss . 2 . the design of electrode structure
  在boa结构设计中，为了实现器件的低损耗设计，我们采用上升反正弦s弯曲构成对称y分支。
• 4db . compared with the splitter using normal y - branch which was with the excess loss about 4 . 3db and uniformity about 1 . 8db , the performance was improved markedly
  相比普通y分支结构的功分器(损耗为4 . 3db ，均匀性为1 . 8db ) ，器件性能得到明显改善。
• The chip length was about 2cm . the 1x2 mmi was used to substitute for the normal y - branch to optimize the output characteristics of the 1x4 compact splitter with iwtms
  用mmi结构代替普通的直接分叉型y分支结构，可优化分支性能，并且实验结果与理论计算非常吻合。
• At the same time we analyzed the effect of enlarged waveguide to the improvement of asymmetrical y - branch optical switch performance . we simulated and analyzed y - branch tir optical switch with enlarged waveguide with fd - bpm
  然后用fd - bpm对展宽型y分叉全内反射光开关进行模拟和分析，设计了全内反射型非对称y分叉光开关。
• They are usually applied to optical signal distribution systems . such as cable television , broadcasting systems and pon systems . in this thesis , y - branch and multimode interference in soi technology are studied and simulated
  因为它在光通信系统、光纤用户网、光纤catv 、光无源网络( pon ) 、光局域网等领域中被广泛应用。
• ( 3 ) fabrication methods of planar , y - branches , and channel waveguides employing structure lights formed by cylindrical lenses and optical binary masks are investigated experimentally in detail
  对利用柱透镜和光学二元掩模板形成的结构光在光折变晶体中写入平面光波导、 y型光波导以及通道光波导的方法进行了详细的实验研究。
• For coupling loss , the method to reduce this loss is pointed out without changing other structural parameters decided by the above requirements . y - branch loss is analyzed by bpm ( beam propagation method )
  对于耦合损耗，指出了在不改变前面结构参数(因为它们的设计是根据半波电压和单模要求设定的)情况下，实现小耦合损耗的方法。
• We propose a novel and simple y - branch configuration with simox soi wafers in order to achieve an asymmetric branching ration and low excess loss . the proposed structure only deviate the center axes of input taper wave - guides
  我们用soi晶片设计了一种新型的y分支型功率分配器，此结构通过改变中心轴线的位移值即可实现不同的功率分配的功能。
• In developing the planar lightwave circuits , the coupling loss between a waveguide with a high refractive index difference and a single mode fiber is considered . a novel spot - size converter based on a y - branch structure is proposed and numerical simulation results indicate that it can reduce the coupling loss effectively with low polarization dependent loss and good fabrication tolerance
  在平面波导光器件研制中，提出了高折射率差二氧化硅波导与光纤的新型低损耗连接，与现有波导单侧变窄的结构相比较，有效的降低了连接损耗，同时具有偏振相关损耗低，工艺容差性好的优点。
• On the base , we designed the waveguides " structure and fabrication parameter . and in the design of symmetric y - branch of proton - exchange s ingle - y phase linbo3 modulaor , we used finite difference beam propagation method to analyze and compare the optical transmission loss of different s - bend y - branch
  本文对质子交换linbo _ 3单y相位调制器的重要部件y分支进行了深入的研究，比较了不同s弯曲形式的y分支过渡长度与损耗的关系，并计算出间距250 m时的最小弯曲长度。
• On the basis of the analysis and compare , we designed the least length of s - bend y - branch to decrease the transmission loss when the space between the outport is 250jjm . we also analyzed thoroughly dependence of half - wave voltage and bandwidth on the width , the length of modulator ' s electrodes and the gap between two electrodes
  对于调制器的电极本文也进行较为深入的研究，探讨了电极宽度、电极长度、电极间距对半波电压的影响，并据此对单y相位调制器的电极结构进行了优化设计。
• 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。
• Applying an exact modal propagation analysis method and self - imaging theory , i analyzed the principle of mmi coupler . then , the self - imaging effect in graded - index waveguide has been analyzed and simulated using three - dimensional bpm . considering normal technology error , a low loss y - branch structure ( symmetric or asymmetric ) with a multimode waveguide transition section is introduced and designed
  在设计y分支波导结构时，考虑常规工艺误差的影响，引入多模波导作为y分支波导结构的过渡区，利用参数空间搜索法来设计结构参数，实现低损耗的y分支结构。