折射率
制作
波长
光学
移相模块
波导管
相(物质)
相位差
芯(光纤)
材料科学
维数(图论)
航程(航空)
光电子学
物理
插入损耗
数学
医学
量子力学
病理
复合材料
纯数学
替代医学
作者
Hao Chen,Hui Meng,Xinyue Liu,Junke Ding,Jianguang Jiang,Gang Chen,Yue Hao
标识
DOI:10.1051/matecconf/201817301034
摘要
A comparative study, in aspects of both wavelength dependence and fabrication tolerance, is carried out between silica-based phase shifters designed in two different regime, namely length difference regime and refractive index difference regime. Results show that in the wavelength range of 1500-1600 nm, phase shifter designed in refractive index difference regime has a working wavelength range 2.8~3.1 times wide as that designed in length difference regime; while in the aspect of fabrication tolerance, phase designed in length difference regime is advantageous, with respect to waveguide core dimension error, and waveguide core refractive index error as well.
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