| 椭圆光波导和圆形光波导单模传输分析比较 |
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| 引用本文： | 谭新成,李建立,霍丙忠,袁景和.椭圆光波导和圆形光波导单模传输分析比较[J].光通信研究,2008,34(1):42-44. |
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| 作者姓名： | 谭新成 李建立 霍丙忠 袁景和 |
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| 作者单位： | 烟台大学,光电信息科学与技术学院,山东,烟台,264005 |
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| 摘 要： | 文章利用入射线偏振光在柱坐标系下对椭圆光波导进行了严格求解,得到了模场的精确解析解,导出了模式特征方程.光只在长轴方向的子午面内单模传播时,即可实现单模单偏振传输.在给定相同条件下单模传输时,与圆形光波导相比,椭圆光波导传播常数变化很小.文章还简要分析了波长、椭圆率和相对折射率差对传播常数的影响.
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| 关 键 词： | 椭圆光波导 圆形光波导 特征方程 单模传输 传播常数 |
| 文章编号： | 1005-8788(2008)01-0042-03 |
| 收稿时间： | 2007/7/13 |
| 修稿时间： | 2007年7月13日 |
Analysis and comparison of single mode transmission in elliptical and rotundity optical waveguides |
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| Tan Xincheng,Li Jianli,Huo Bingzhong,Yuan Jinghe.Analysis and comparison of single mode transmission in elliptical and rotundity optical waveguides[J].Study on Optical Communications,2008,34(1):42-44. |
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| Authors: | Tan Xincheng Li Jianli Huo Bingzhong Yuan Jinghe |
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| Abstract: | The strict solutions of the elliptical optical waveguide are studied using the polarized light of the incident ray in cylindrical coordinate system,accurate analytical solution of the mode field distribution obtained and the mode characteristic equations derived.When light is transmitted in single mode only in the meridional plane along the long axis,single mode single polarization transmission can be achieved.Compared with the rotundity optical waveguide,the transmission constant of the elliptical optical waveguide changes very little under the same conditions for single mode transmissions.In addition,the effects of wavelength,ellipticity and relative refractive index difference on the transmission constant are briefly analyzed. |
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| Keywords: | elliptical optical waveguide rotundity optical waveguide characteristic equation single mode transmission transmission constant |
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