Characterization of bent large-mode-area photonic crystal fiber

Characterization of bent large-mode-area photonic crystal fiber
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弯曲大模面积光子晶体光纤的表征

DOI:
10.1088/1464-4258/10/8/085303
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发表时间:
2008-08
期刊:
Journal of Optics A-Pure and Applied Optics
影响因子:
--
通讯作者:
Wang, Peng
Wang, Peng
中科院分区:
其他
文献类型:
--
作者:
Li, Enbang;Geng, Youfu;Tan, Xiaoling;Yao, Jianquan;Wang, Weineng;Wang, Peng

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本文利用层间完美匹配的有限差分模式求解器对弯曲大模面积光子晶体光纤的特性进行了全面研究。数值结果表明,在弯曲的大模面积光子晶体光纤中,模场分布发生变形,有效模面积和导波区域宽度减小。弯曲光子晶体光纤的传播特性由归一化传播数和归一化弯曲半径决定。同时,观察了弯曲大模面积光子晶体光纤中的弯曲损耗振荡,并获得了第一个损耗峰值的位置。
In this paper, the characteristics of bent large-mode-area photonic crystal fibers are investigated comprehensively by using a finite difference mode solver with perfectly matched layers. Numerical results show that in bent large-mode-area photonic crystal fibers, the mode-field distributions are deformed and the effective mode area and the width of the guided region are reduced. The propagation character of bent photonic crystal fibers is determined by normalized propagation number and normalized bend radius. Meanwhile, the bending loss oscillation is observed and the position of the first loss peak is obtained in bent large-mode-area photonic crystal fibers.
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