材料科学
包层(金属加工)
阵列波导光栅
制作
聚二甲基硅氧烷
光纤布拉格光栅
聚合物
环氧树脂
芯(光纤)
图层(电子)
聚甲基丙烯酸甲酯
波导管
栅栏
光学
光电子学
复合材料
波分复用
波长
医学
替代医学
物理
病理
作者
Hongqiang Li,Yingjie Wang,Zhilin Lin,Shanshan Zhang,Zanyun Zhang,Cheng Zhang,Chunxiao Tang,Enbang Li,Joan Daniel Prades
标识
DOI:10.1016/j.optcom.2022.129139
摘要
1 × 8 and 1 × 16 traditional/saddle arrayed waveguide grating (AWG) devices with different core layer materials applied in fiber Bragg grating (FBG) system were designed, fabricated and compared. We applied epoxy resin-type materials (SU-8) and polymethyl methacrylate (PMMA) as the core layer materials, and polymer polydimethylsiloxane (PDMS) was selected as the cladding material. We developed a chemical modification method in order to improve the film-forming properties of the core layer materials on the PDMS cladding layers. The dimensions of the fabricated AWGs with SU-8 core layers and PMMA core layers were smaller than 1.1 cm × 0.9 cm and 1.1 cm × 1.2 cm, respectively. According to the experimental results, the on-chip insertion losses of 1 × 8 and 1 × 16 SU-8 AWG devices were lower than those of PMMA AWG devices with the same type of arrayed waveguides and the number of input and output channels, with 2.83-dB and 2.26-dB lower values of the 1 × 8 and 1 × 16 SU-8 AWG devices, respectively.
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