波长可选择高双折射光纤干涉滤波器

钟宇光; 张祖兴

波长可选择高双折射光纤干涉滤波器

钟宇光^,,
张祖兴

1.
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

详细信息

通讯作者:
钟宇光(1982-)，男，广东高州人，硕士研究生，主要从事光纤激光方面的研究工作。

中图分类号: TN253
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- 被引次数: 0
出版历程
- 刊出日期: 2011-01-15

AHigh birefringence coherent fiber filter with selectable wavelengths

ZHONG Yu-guang^,,
ZHANG Zu-xing

1.
College of Physics &Communication Electronics,Key Lab of Photoelectron and Communications of Jiangxi Province,Jiangxi Normal University,Nanchang 330022,China

摘要

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12m高双折射光纤可以产生等同于在Sagnac环形腔中用16m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。
- 梳状滤波器 /
- Sagnac干涉环 /
- Y型触角波导
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 by suppressing interleaving channels. The efficiency of the birefringence fiber is enhanced, as using 12m high-birefringence fiber can obtain the same filtering results with using 16m birefringence fiber in the Sagnac filter. This filter has potential applications for multi-wavelength fiber laser and other optical fiber communication system.
- comb filter /
- Sagnac loop mirror /
- Y-waveguide

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