Soliton Mode-Locked Large-Mode-Area Tm-Doped Fiber Oscillator

被引：8

作者：

Zhu, Zexiu ^{[1
]}

Zhang, Hui ^{[2
]}

Wang, Mengmeng ^{[1
]}

Wei, Rongling ^{[1
]}

Zheng, Zhijian ^{[1
]}

Yan, Peiguang ^{[1
]}

Ruan, Shuangchen ^{[1
]}

Wang, Jinzhang ^{[1
]}

Hasan, Tawfique ^{[3
]}

Sun, Zhipei ^{[4
,5
]}

机构：

[1] Shenzhen Univ, Coll Optoelect Engn, Shenzhen Key Lab Laser Engn, Shenzhen 518060, Peoples R China

[2] Chinese Acad Sci, Shenzhen Hosp Univ, Cent Lab, Shenzhen 518106, Peoples R China

[3] Univ Cambridge, Cambridge Graphene Ctr, Cambridge CB3 0FA, England

[4] Aalto Univ, Dept Elect & Nanoengn, FI-00076 Aalto, Finland

[5] Aalto Univ, QTF Ctr Excellence, Dept Appl Phys, FI-00076 Aalto, Finland

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2020年 / 32卷 / 02期

基金：

中国博士后科学基金; 中国国家自然科学基金; 芬兰科学院;

关键词：

Ultrafast fiber laser; mode-locked; large-mode-area (LMA) fiber; soliton; nonlinear polarization evolution (NPE); PULSE ENERGY; FS PULSES; LASER; GENERATION; LOCKING; NOISE;

D O I：

10.1109/LPT.2019.2959793

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：

We report a passively mode-locked fiber oscillator based on thulium-doped large-mode-area (LMA) fiber. Reliably mode-locking soliton operation can be readily achieved after the suppression of the higher-order modes by using mode field adapters in combination with coiling fiber method. The laser delivers 600-fs level pulses at 2 mu m with an average power of up to 243 mW and a repetition rate of similar to 53.7 MHz. The output corresponds to a maximum pulse energy of 4.5 nJ, >5 times larger than that of a similar homemade mode-locked Tm laser with the LMA fibers replaced by single mode fibers, coinciding with theoretical prediction. The successful demonstration of our soliton mode-locked LMA fiber laser at 2 mu m offers another strategy for high performance ultrafast fiber sources at mid-infrared region.

引用

页码：117 / 120

页数：4

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