Mode Transition in Conventional Step-Index Optical Fibers

被引：1
|
作者：
Lian, Xiaokang [1 ]
Farrell, Gerald [1 ]
Wu, Qiang [2 ]
Han, Wei [1 ]
Wei, Fangfang [1 ]
Semenova, Yuliya [1 ]
机构：
[1] Technol Univ Dublin, Photon Res Ctr, Dublin D08 X622, Ireland
[2] Northumbria Univ, Dept Math Phys & Elect Engn, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England
来源：
2019 18TH INTERNATIONAL CONFERENCE ON OPTICAL COMMUNICATIONS AND NETWORKS (ICOCN) | 2019年
关键词：
Optical fiber dispersion; mode transition; optical fiber cladding; step-index optical fiber; Talbot and self-imaging effect;
D O I：
10.1109/icocn.2019.8934113
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
The discrete self-imaging effect reveals the distinct properties of cladding modes with core modes in step-index optical fibers, as was shown in our previous work [1], where only the linearly polarized LP0n modes were studied. In this paper, the dispersion diagram of the first 17 vector modes (TE0n, TM0n, HEmn and EHmn) and the related first 9 LPmn modes are calculated by both the full-vector finite element method and the graphical method with a three-layer step-index optical fiber model. The cladding modes distributions and the transitions between the core and cladding modes are analyzed. The results of this work are intended to enrich the knowledge and understanding of modal characteristics of conventional step-index optical fibers.
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页数：3
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