芯(光纤)
联轴节(管道)
计算机科学
光学
光纤
纤维
灵活性(工程)
光纤通信
多核处理器
光子晶体光纤
方案(数学)
多模光纤
塑料光纤
材料科学
物理
数学分析
统计
数学
冶金
复合材料
操作系统
作者
Yize Liang,Hongya Wang,Jun Liu,Jian Wang
出处
期刊:Optics Letters
[Optica Publishing Group]
日期:2022-06-15
卷期号:47 (12): 3071-3071
摘要
Transmitting signals independently over each core of a multi-core fiber (MCF) is a candidate technology to cope with the growing demand for communication capacity. However, precise coupling alignment of input light beams and corresponding fiber cores is needed in such communication systems. Here we propose and experimentally demonstrate a novel, to the best of our knowledge, scheme for visualized MCF coupling alignment and inter-core cross talk measurement. The inter-core cross talk matrix of a bent 20-m 5-core fiber is measured in the experiment to show the efficiency of this scheme. Once the setup is established and fixed, the coupled MCF can be replaced at will. Due to the flexibility and simplicity of this scheme, it may possess potential value in MCF-based sensing and optical communication applications.
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