| 新型渐变折射率低损耗大角度Y分支器的研究 |
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| 引用本文： | 何晓薇. 新型渐变折射率低损耗大角度Y分支器的研究[J]. 电子科技大学学报(社会科学版), 2004, 0(4) |
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| 作者姓名： | 何晓薇 |
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| 作者单位： | 中国民航飞行学院 四川广汉618307 |
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| 摘 要： | 针对集成光学中普通Y分支波导分支角度小,不利于集成的问题,提出了一种新型基于渐变折射率波导的低损耗大角度Y分支结构,经过理论分析和大量的有限差分光束传播法仿真,结果表明在分支角度为10时辐射损耗为0.176 dB,与传统Y分支相比, 新型Y分支器具有损耗小,结构简单的特点。
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| 关 键 词： | 渐变折射率 Y分支 集成光学 有限差分光束传播法 |
Research on Novel Low-Loss Wide Angle Y Branches of Graded-Index Waveguides |
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| He Xiaowei. Research on Novel Low-Loss Wide Angle Y Branches of Graded-Index Waveguides[J]. Journal of University of Electronic Science and Technology of China(Social Sciences Edition), 2004, 0(4) |
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| Authors: | He Xiaowei |
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| Affiliation: | Civil Aviation Flight University of China Sichuan Guanghan 618307 |
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| Abstract: | A new low-loss wide-angle Y branches is proposed based on the graded-index waveguides in this paper. The Results of theoretical analysis and the simulations by finite-difference beam propagation method (FDBPM) show that the radiation losses can be less than 0.18 dB even if a branching angle is as large as 10. Compared with traditional Y branches, the new Y branches is characteristic with low losses and simple structure. |
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| Keywords: | graded index Y branches integrated optics finite-difference beam propagation method |
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