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

被引：2

作者：

Qiu, Ming-Wei

Cai, Chao-Qun

Zhang, Zu-Xing ^{[1
]}

机构：

[1] Nanjing Univ Posts & Telecommun, Adv Photon Technol Lab, Coll Elect & Opt Engn, Nanjing 210023, Peoples R China

来源：

CHINESE PHYSICS B | 2022年 / 31卷 / 10期

基金：

中国国家自然科学基金;

关键词：

microfiber knot resonance (MKR); dissipative four-wave-mixing (DFMW); nonlinear Kerr beam cleaning effect (NL-KBC); multimode fiber laser; CHIRPED-PULSE AMPLIFICATION; REPETITION-RATE; MODULATIONAL-INSTABILITY; GENERATION; TRAIN;

D O I：

10.1088/1674-1056/ac6ee9

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

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

页数：6

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