Ultra-broadband polarization splitter based on graphene layer-filled dual-core photonic crystal fiber

被引：15
|
作者：
Zou, Hui [1 ]
Xiong, Hui [1 ]
Zhang, Yun-Shan [1 ]
Ma, Yong [1 ]
Zheng, Jia-Jin [1 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Coll Optoelect Engn, Nanjing 210023, Jiangsu, Peoples R China
来源：
CHINESE PHYSICS B | 2017年 / 26卷 / 12期
基金：
中国国家自然科学基金;
关键词：
polarization splitters; graphene; dual-core photonic crystal fiber;
D O I：
10.1088/1674-1056/26/12/124216
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An ultra-broadband polarization splitter based on graphene layer-filled dual-core photonic crystal fiber (GDC-PCF) that can work in a wavelength range from 1120 nm to 1730 nm is proposed in this paper. Through optimizing fiber configuration, the polarization splitter has an extinction ratio of -56.3 dB at 1.55 mu m with a fiber length of 4.8 mm. Compared with the photonic crystal fiber reported splitters, to our knowledge, the GDC-PCF splitter with the extinction ratio below 20 dB has a super wide bandwidth of 610 nm. Due to the excellent splitting characteristics, the GDC-PCF will be used in coherent optical communication systems in a wavelength range from infrared to mid-infraed.
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页数：6
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