All-Optical Actively Mode-Locked Fiber Laser at 2-μm Based on Interband Modulation

被引：12

作者：

Wu, Xu ^{[1
]}

Wu, Zhichao ^{[2
]}

Huang, Tianye ^{[1
]}

Chen, Bingwei ^{[1
]}

Ren, Kaixuan ^{[1
]}

Fu, Songnian ^{[2
]}

机构：

[1] China Univ Geosci Wuhan, Sch Mech Engn & Elect Informat, Wuhan 430074, Hubei, Peoples R China

[2] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Natl Engn Lab Next Generat Internet Access Networ, Wuhan 430073, Hubei, Peoples R China

来源：

IEEE PHOTONICS JOURNAL | 2017年 / 9卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Fiber lasers; mode-locked lasers; nonlinear; pulse propagation; 2; MU-M; PHOTONIC BANDGAP FIBER; DOPED FIBER; WDM TRANSMISSION; REPETITION RATE; GENERATION; LOCKING; GHZ; MIRROR; PULSES;

D O I：

10.1109/JPHOT.2017.2756643

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we have achieved a high repetition rate and tunable pulse generation near similar to 2 mu m through an all-optical actively mode-locked fiber laser. The performances of the fiber laser have been systematically investigated through numerical simulations. The thulium-doped fiber laser cavity is modulated by the optical injection at 1.55 mu m via a nonlinear optical loop mirror in which a specially-designed group-velocity-matching highly nonlinear fiber is incorporated. According to the simulation results, up to 40-GHz pulse train with picosecond tunable pulse width and peak power can be produced. Moreover, the repetition rate can be further enlarged with the help of higher gain. The impacts of gain coefficient, cavity length, and repetition rate on the output are studied in details. The proposed mode-locked fiber laser can be potentially used for future 2-mu m fiber communication.

引用

页数：8

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