| 波长可选择高双折射光纤干涉滤波器 |
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| 引用本文： | 钟宇光,张祖兴.波长可选择高双折射光纤干涉滤波器[J].应用光学,2011,32(1). |
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| 作者姓名： | 钟宇光 张祖兴 |
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| 作者单位： | 江西师范大学,物理与通信电子学院,江西省光电子与通信重点实验室,江西,南昌,330022 |
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| 基金项目： | 国家自然科学基金，江西省自然科学基金，江西省教育厅科技项目 |
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| 摘 要： | 为了实现具有全光纤结构和波长可选择滤波器,设计并从理论上计算和分析了一种基于双折射光纤的干涉滤波器.该滤波器具有很好的选频特性,不同的偏振角自由组合使得该滤波器具有更灵活的调节性.该滤波器提高了双折射光纤的使用效率,用12 m高双折射光纤可以产生等同于在Sagnac环形腔中用16 m同样光纤时的滤波效果.这种高效波长可选择滤波器还具有较好的光频隔离效果,并很容易用光纤或光波导制作出来.
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| 关 键 词： | 梳状滤波器 Sagnac干涉环 Y型触角波导 |
High birefringence coherent fiber filter with selectable wavelengths |
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| ZHONG Yu-guang,ZHANG Zu-xing.High birefringence coherent fiber filter with selectable wavelengths[J].Journal of Applied Optics,2011,32(1). |
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| Authors: | ZHONG Yu-guang ZHANG Zu-xing |
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| Institution: | ZHONG Yu-guang,ZHANG Zu-xing(College of Physics & Communication Electronics,Key Lab of Photoelectron and Communications of Jiangxi Province,Jiangxi Normal University,Nanchang 330022,China) |
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| Abstract: | Filter is an indispensable component for optical fiber communication system,especially for filter with all-fiber structure and selectable wavelength spacing due to its unique characteristics.A novel periodic filter with interleaving wavelengths based on high birefringence fiber interferometer was proposed and theoretically analyzed.Simulation results indicate that this filter has unique features.By adjusting the combination of the polarization rotations in this comb filter,filtering channels can be chosen b... |
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| Keywords: | comb filter Sagnac loop mirror Y-waveguide |
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