excess loss meaning in English
额外损耗
Examples
- 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。 - Using the beam propagation method ( bpm ) simulation , we confirm that wide controllability of the branching ratio and low excess loss can be realized by this structure
用bpm方法模拟的结果表明，此结构实现了50 - 94的不对称分支比，并且具有低的附加损耗的特点。 - 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 。 - 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。 - The numerical and experimental results of this y - branch structure indicate that the proposed y - branch structure , without extra fabrication technologies , has a lower excess loss as compared with the conventional ones . optimal designs of the structural parameters for the multimode interference coupler are carried out . low loss and high uniformity of the multimode interference couplers are achieved when the waveguide is weakly guiding
研究了y分支耦合器中分支顶端间距(为工艺制作方便)带来的附加损耗，提出了低损耗新型y分支耦合器结构，并给出了相关结构参数的优化设计方法，我们的理论计算和实验测试结果均表明，该新型结构可以在常规光波导制作工艺下提高器件的指标。