Generation of pulse-width controllable dissipative solitons and bound solitons by using an all fiber saturable absorber

被引：37

作者：

Wang, Zhaokun ^{[1
,2
]}

Li, Liujiang ^{[1
]}

Wang, D. N. ^{[1
]}

Le, Zichun ^{[3
]}

Zhang, Shuqin ^{[1
]}

Cao, Shiying ^{[4
]}

Fang, Zhanjun ^{[4
]}

机构：

[1] China Jiliang Univ, Coll Opt & Elect Technol, Hangzhou 310018, Zhejiang, Peoples R China

[2] China Jiliang Univ Natl Sci & Technol Pk, Hangzhou 310018, Zhejiang, Peoples R China

[3] Zhejiang Univ Technol, Coll Sci, Hangzhou 310023, Zhejiang, Peoples R China

[4] Natl Inst Metrol, Div Time & Frequency Metrol, Beijing 100013, Peoples R China

来源：

OPTICS LETTERS | 2019年 / 44卷 / 03期

基金：

国家重点研发计划;

关键词：

NONLINEAR MULTIMODAL INTERFERENCE; LASER;

D O I：

10.1364/OL.44.000570

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A passively mode-locked fiber laser with controllable pulse width is demonstrated by use of an all-fiber saturable absorber based on a hybrid no-core fiber (NCF)-graded index multimode fiber (GIMF) structure incorporated into an Er-doped fiber ring cavity. Such a hybrid NCF-GIMF structure has a tunable intracavity filtering effect. As a result, the mode-locking operation is achieved with controllable pulse width and spectral bandwidth in the normal dispersion regime by only stretching the fiber device. Soliton pulses with the pulse width of 7.7-23 ps are generated, and bound solitons with variable widths are also experimentally demonstrated. The results obtained reveal the versatility and flexibility of the NCF-GIMF structured device in controlling the pulse dynamics for different experimental requirements. (C) 2019 Optical Society of America

引用

页码：570 / 573

页数：4

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