Spatiotemporal mode-locked multimode fiber laser with dissipative four-wave mixing effect

被引:0
|
作者
邱明伟 [1 ]
蔡超群 [1 ]
张祖兴 [1 ]
机构
[1] Advanced Photonic Technology Laboratory, College of Electronic and Optical Engineering & College of Microelectronics,Nanjing University of Posts and Telecommunications
基金
中国国家自然科学基金;
关键词
D O I
暂无
中图分类号
TN248 [激光器];
学科分类号
0803 ; 080401 ; 080901 ;
摘要
The high degree of freedom and novel nonlinear phenomena of multimode fiber are attracting attention. In this work,we demonstrate a spatiotemporal mode-locked multimode fiber laser, which relies on microfiber knot resonance(MKR) via dissipative four-wave-mixing(DFMW) to achieve high-repetition-rate pulses. Apart from that, DFMW mode locking with switchable central wavelengths can also be obtained. It was further found that high pulse energy induced nonlinear effect of the dominant mode-locking mechanism transforming from DFMW to nonlinear Kerr beam cleaning effect(NL-KBC). The experimental results are valuable for further comprehending the dynamic characteristics of spatiotemporal mode-locked multimode fiber lasers, facilitating them much more accessible for applications.
引用
收藏
页码:196 / 201
页数:6
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