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哈尔滨工程大学 理学院 光子科学与技术研究中心,黑龙江 哈尔滨,150001
Received:13 September 2011,
Revised:08 October 2011,
Published Online:22 December 2011,
Published:22 December 2011
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张羽, 刘志海, 杨军, 苑立波, 孙晶华. 纤芯圆对称分布多芯光纤的耦合特性[J]. 发光学报, 2011,32(12): 1286-1291
ZHANG Yu, LIU Zhi-hai, YANG Jun, YUAN Li-bo, SUN Jing-hua. Theory and Experiment for Coupling Characteristic of Core-circular-symmetrical-distribution Multi-core Fiber[J]. Chinese Journal of Luminescence, 2011,32(12): 1286-1291
张羽, 刘志海, 杨军, 苑立波, 孙晶华. 纤芯圆对称分布多芯光纤的耦合特性[J]. 发光学报, 2011,32(12): 1286-1291 DOI:
ZHANG Yu, LIU Zhi-hai, YANG Jun, YUAN Li-bo, SUN Jing-hua. Theory and Experiment for Coupling Characteristic of Core-circular-symmetrical-distribution Multi-core Fiber[J]. Chinese Journal of Luminescence, 2011,32(12): 1286-1291 DOI:
通过将标准单芯单模光纤与纤芯圆对称分布的多芯光纤的一个纤芯对准熔接后
再在多芯光纤任意位置进行热熔融拉锥
实现多芯光纤光功率的高效耦合注入和光功率在各个纤芯中分布比例的控制
解决了由于多芯光纤结构的特殊性引起的光源光功率难于直接注入的问题。基于光纤耦合模理论建立多芯光纤各纤芯之间的耦合模方程
得到各个纤芯中光功率与耦合长度之间的关系曲线
并与实际耦合实验结果对比
验证该方法可行。研究结果可为多芯光纤光学器件的发展提供潜在的应用价值。
We proposed an effective method to control the incident light power distribution ratio in each core of a core circular symmetrical distribution multi-core optical fiber. This method is realized by tapering the multi-core fiber to be a bi-tapered shape after fusing the multi-core fiber with a normal single mode fiber on the condition of core alignment. Based on the coupling theoretical model and analysis
the controlling method is introduced
and the results are demonstrated by both theory and experiment. Finally
this incident power distribution controlling method provides a helpful and potential application prospect for multi-core optical fibers devices and sensors.
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