An ultrabraoadband polarization splitter based on square-lattice dual-core photonic crystal fiber with a gold wire

被引：29
|
作者：
Jiang, Linghong [1 ]
Zheng, Yi [1 ]
Hou, Lantian [2 ]
Zheng, Kai [1 ]
Peng, Jiying [1 ]
Zhao, Xingtao [2 ]
机构：
[1] Beijing Jiaotong Univ, Sch Sci, Inst Laser, Beijing 100044, Peoples R China
[2] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2015年 / 351卷
基金：
中国国家自然科学基金;
关键词：
Photonic crystal fiber; Polarization splitter; Surface plasmon polariton; NUMERICAL-ANALYSIS; BAND;
D O I：
10.1016/j.optcom.2015.04.015
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An ultrabroadband polarization splitter based on square-lattice dual-core photonic crystal fiber with a gold wire is studied by the finite element method. Integrating a gold wire between two cores has effectively enhanced the bandwidth of the splitter. Numerical results demonstrate that the polarization splitter has an extinction ratio better than 20 dB with a broad bandwidth of 430 nm, covering almost all the O, E, S, C, L and U communication bands; Moreover, the extinction ratio at 1.55 mu m can reach -78.2 dB. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：50 / 56
页数：7
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