Broadband non-polarizing beam splitter based on guided mode resonance effect | |
Ma JY(麻健勇) ; Xu C(许程) ; Qiang YH(强颖怀) ; Zhu YB(朱亚波) | |
2015-08-31 ; 2015-08-31 | |
关键词 | non-polarizing beam splitter guided mode resonance silicon-on-insulator rigorous coupled-wave analysis |
中文摘要 | A broadband non-polarizing beam splitter (NPBS) operating in the telecommunication C+L band is designed by using the guided mode resonance effect of periodic silicon-on-insulator (SOI) elements. It is shown that this double layer SOI structure can provide ~50/50 beam ratio with the maximum divergences between reflection and transmission being less than 8% over the spectrum of 1.4 μm~1.7 μm and 1% in the telecommunication band for both TE and TM polarizations. The physical basis of this broadband non-polarizing property is on the simultaneous excitation of the TE and TM strong modulation waveguide modes near the designed spectrum band. Meanwhile, the electric field distributions for both TE and TM polarizations verify the resonant origin of spectrum in the periodic SOI structure. Furthermore, it is demonstrated with our calculations that the beam splitter proposed here is tolerant to the deviations of incident angle and structure parameters, which make it very easy to be fabricated with current IC technology. |
内容类型 | 期刊论文 |
源URL | [http://ir.calis.edu.cn/hdl/232060/10501] |
专题 | 中国矿业大学(徐州) |
推荐引用方式 GB/T 7714 | Ma JY,Xu C,Qiang YH,et al. Broadband non-polarizing beam splitter based on guided mode resonance effect[J],2015, 2015. |
APA | 麻健勇,许程,强颖怀,&朱亚波.(2015).Broadband non-polarizing beam splitter based on guided mode resonance effect.. |
MLA | 麻健勇,et al."Broadband non-polarizing beam splitter based on guided mode resonance effect".(2015). |
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