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Design and fabrication of the star coupler based on SOI material 总被引:1,自引:0,他引:1
A 1×25 star coupler is designed through calculation and beam propagation method (BPM) simulation. Improvement methods are focused on the design of the tapered waveguides in the device, improving the uniformity of the output light power of the star coupler. Utilizing the conventional Si process technology, the device is fabricated based on silicon-on-insulator (SOI) material. The test result shows that the star coupler has a perfect function of power splitting. 相似文献
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在Si基SiO2材料上设计并制作了中心波长为1.55 μm、通道间隔为0.8 nm的8×8阵列波导光栅(AWG).详细介绍了器件的设计、制作和测试,并对测试结果及工艺误差进行了深入的分析讨论.封装后的测试结果显示,器件的3 dB带宽为0.22 nm;中央通道输入时,最小和最大插入损耗分别为4.01 dB和6.32 dB;边缘通道输入时,最小和最大插入损耗分别为6.24 dB和9.02 dB;对比不同通道输入时输出通道的中心波长,其偏移量低于0.039 nm;器件的通道间串扰小于-25 dB;偏振依赖损耗(PDL)小于0.3 dB. 相似文献
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