期刊
OPTICAL FIBER TECHNOLOGY
卷 53, 期 -, 页码 -出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.yofte.2019.101994
关键词
Multimode fibers; Nonlinear optics; Kerr effect; Beam self-cleaning
资金
- Russian Ministry of Science and Education [14.Y26.31.0017]
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme [740355]
- Ministry of Education and Science of the Russian Federation [1.6366.2017/8.9]
In this paper, we numerically investigate the process of beam self-cleaning in a graded-index multimode optical fiber, by using the coupled-mode model. We introduce various models of random linear coupling between spatial modes, including coupling between all modes, or only between degenerate ones, and investigate the effects of random mode coupling on the beam self-cleaning process. The results of numerical investigations are in complete agreement with our experimental data.
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