Mode coupling in single-mode helical fibres under perturbations

被引：2
|
作者：
Chen, GS [1 ]
Wang, Q
机构：
[1] Zhongshan Univ, Dept Elect, Guangzhou 510275, Guangdong Prov, Peoples R China
[2] Shanghai Univ Sci & Technol, Dept Phys, Shanghai 201800, Peoples R China
来源：
OPTICAL AND QUANTUM ELECTRONICS | 1998年 / 30卷 / 03期
关键词：
D O I：
10.1023/A:1006966429845
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The mode coupling in a helical fibre with a circular cross-section undergoing perturbations is investigated in the Serret-Frenet frame. The coupled-mode equations have been derived and are compared with the conventional ones. Applying the coupled-mode equations to a helical fibre with an elliptical core deformation, we obtained, for the first time, a rigorous analysis of the transmission characteristics of the fibre. The numerical examples show that the mode ellipticity and elliptical birefringence increase as the core ellipticity increases and also vary as the pitch or the core offset change.
引用
收藏
页码：209 / 216
页数：8
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