Edge-dip air core fiber for improvement of the transmission of higher-order OAM modes

被引：4
|
作者：
Sun, Xibo [1 ,2 ]
Geng, Yuanchao [1 ,2 ]
Zhu, Qihua [1 ,2 ,3 ]
Feng, Xi [1 ]
Huang, Wanqing [1 ]
Zhang, Ying [1 ]
Wang, Wenyi [1 ]
Liu, Lanqin [1 ]
机构：
[1] China Acad Engn Phys, Res Ctr Laser Fus, Mianyang, Peoples R China
[2] Shanghai Jiao Tong Univ, Collaborat Innovat Ctr IFSA, Shanghai, Peoples R China
[3] Sci & Technol Plasma Phys Lab, Mianyang, Peoples R China
来源：
YOUNG SCIENTISTS FORUM 2017 | 2018年 / 10710卷
关键词：
orbital angular momentum; optical communication; fibers; effective refractive indices;
D O I：
10.1117/12.2317014
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We presented a novel scheme to improve the stability of the orbital angular momentum (OAM) modes transmission by adding a dip at the edge of the annular high-index region of the air-core fiber. The simulation indicated a larger effective index difference of the vector modes that composed OAM modes in the same order, promising a stable transmission of the OAM modes. The intensity of the modes was concentrated better in this scheme decreasing the crosstalk between adjacent fibers. The propagation properties of the OAM modes in bent fiber were investigated.
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页数：7
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