Proposal and design of sectorial cladding optical fibre for large-mode-area, single-mode operation

被引：4
|
作者：
Chen, Ming-Yang [1 ]
Zhang, Yong-Kang [1 ]
Fu, Xiao-Xia [1 ]
Sun, Bing [1 ]
Zhou, Jun [2 ]
机构：
[1] Jiangsu Univ, Sch Mech Engn, Dept Opt Engn, Zhenjiang 212013, Jiangsu Prov, Peoples R China
[2] Ningbo Univ, Fac Sci, Ningbo 315211, Zhejiang, Peoples R China
来源：
JOURNAL OF OPTICS | 2010年 / 12卷 / 05期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
microstructured optical fibre; large-mode area; single-mode; leakage loss; PHOTONIC CRYSTAL FIBERS; CORE FIBERS; POLARIZATION; PROPAGATION;
D O I：
10.1088/2040-8978/12/5/055403
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel design of single-mode microstructured optical fibre with large-mode-area is proposed. The proposed fibre is composed of a circular-core, which is surrounded by three sectorial low-index segments and three supporting bridges. For sufficiently wide bridges, the high-order modes in the fibre will be induced to the bridges and leaked out, whereas the fundamental mode is confined by the sectorial low-index segments. In addition, the losses of the fundamental mode can be reduced sufficiently by increasing the radius of the sectorial segments. Numerical investigations demonstrate that single-mode operation with ultra-large mode-area and low confinement loss can be achieved in the proposed fibre.
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收藏
页数：6
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