Bend-resistant multiring fiber with large mode area and single-mode operation

Xiao-Yong Chen; Ze-Hua Xu; Yu-Lai SheJun-Hua ZhangJing-Wen YangPeng-Fei WuXing Wu

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Bend-resistant multiring fiber with large mode area and single-mode operation

机译：Bend-resistant multiring fiber with large mode area and single-mode operation

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摘要

A large mode field fiber with bend-resistance is proposed to work at 1550-nm wavelength. After modulation by high refractive index rings introduced in the core and cladding, this fiber can ensure the single-mode operation under a tight bend radius of 10 cm. The finite element method with perfect matching layers (PML) is used to simulate the proposed fiber. Numerical results show that the effective mode area can reach up to 1518.814 μm~2 with a 0.004073 dB / m low bending loss of the fundamental mode. The designed all-solid-state fiber has a symmetrical structure and takes no consideration of the bending direction. This fiber has potential applications in high-power lasers.

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来源
《Optical Engineering》 |2022年第9期|096111-1-096111-13|共13页
作者
Xiao-Yong Chen; Ze-Hua Xu; Yu-Lai SheJun-Hua ZhangJing-Wen YangPeng-Fei WuXing Wu;
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作者单位

Xidian Univ. (China);

Guilin Univ. of Electronic Technology (China);

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
关键词
Refractive index; Fermium; Frequency modulation; Cladding; Structured optical fibers; Optical engineering; Surgery;

Bend-resistant multiring fiber with large mode area and single-mode operation

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