| 一种新型低损耗1×4光分路器的设计 |
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| 引用本文： | 何晓薇.一种新型低损耗1×4光分路器的设计[J].电子科技大学学报（自然科学版）,2004,33(1):56-58,70. |
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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： | 对新型低损耗大角度Y分支波导进行了详细的设计和优化,并用有限差分光束传播法对Y分支结构进行了验证。仿真结果表明新型的Y分支波导在大分支角度时具有非常小的损耗。最后,设计了由三个Y分支级联所构成的新型1×4光分路器,仿真结果表明其具有损耗小,结构简单,且极大地减小了器件长度,有利于器件的进一步集成。
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| 关 键 词： | Y分支 光波导 集成光学 有限差分光束传播法 |
| 收稿时间： | 2003-09-10 |
| 修稿时间： | 2003年9月10日 |
Design and Application on a New Wide-Angle Y-Branch Waveguide with Low Radiation Loss |
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| Affiliation: | 1.Civil Aviation Flight University of China Sichuan Guanghan 618307 |
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| Abstract: | The new low-loss wide-angle Y-branch is designed and optimized in this paper, in detail. Device performance is examined numerically by finite-difference beam propagation method. The simulated results show the radiation loss of these devices is very small with relatively wide branching angle. At last a new 1×4 optical splitter composed of three new Y-branches is calculated. The simulation shows the new splitter has the characteristics of low-loss and simple-structure, and its length is decreased greatly. |
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