All fiber structured supercontinuum source based on graded-index multimode fiber

被引：9

作者：

Zhang, Ting ^{[1
,2
]}

Zhang, Wei ^{[1
]}

Hu, Xiaohong ^{[1
]}

Pan, Ran ^{[1
,2
]}

Wang, Zhenguang ^{[1
]}

Wang, Hushan ^{[1
]}

Wang, Yishan ^{[1
]}

机构：

[1] Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

LASER PHYSICS LETTERS | 2022年 / 19卷 / 03期

基金：

中国国家自然科学基金;

关键词：

supercontinuum generation; graded-index multimode fiber; stimulated Raman scatter; 2ND-HARMONIC GENERATION; BEAM;

D O I：

10.1088/1612-202X/ac4be7

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We provide an all fiber spectrally flat supercontinuum (SC) source generated by pumping a 20 m graded-index multimode fiber (MMF). The fiber pigtails of the all-fiber pump pulse laser and the MMF fused with a special method. After measuring the spectrum and the power, the output power extending from the visible to the mid-infrared is 2 W. To the best of our knowledge, this is the first watt-class and spectrally flat all fiber structured SC source based on graded-index MMF. Finally, we studied the evolution of the SC with increasing output power, which permitted us to more clearly recognize the nonlinear phenomena in the generation of the SC.

引用

页数：4

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