Femtosecond mode-locking of a fiber laser using a CoSb3-skutterudite-based saturable absorber

被引：25
作者：
Lee, Jinho [1 ]
Kim, Yoontaek [1 ]
Lee, Kyungtaek [1 ]
Lee, Ju Han [1 ]
机构：
[1] Univ Seoul, Sch Elect & Comp Engn, Seoul 02504, South Korea
来源：
PHOTONICS RESEARCH | 2018年 / 6卷 / 10期
基金：
新加坡国家研究基金会;
关键词：
TOPOLOGICAL INSULATOR; BLACK PHOSPHORUS; PULSE GENERATION; TRANSPORT-PROPERTIES; GRAPHENE; ABSORPTION; NANOTUBE; MOS2; SKUTTERUDITES; ENERGY;
D O I：
10.1364/PRJ.6.000C36
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We experimentally demonstrate an ultrafast mode-locker based on a CoSb3 skutterudite topological insulator for femtosecond mode-locking of a fiber laser. The mode-locker was implemented on a side-polished fiber platform by depositing a CoSb3/PVA composite. The measured modulation depth and saturation power for the transverse-electric mode input were similar to 5% and similar to 8.7 W, respectively, and similar to 2.8% and similar to 10.6 W for the transverse-magnetic mode input. By incorporating this mode-locker into an erbium-doped fiber-based ring cavity, we were able to readily generate mode-locked, soliton pulses having a pulse width of similar to 833 fs at 1557.9 nm. The 3-dB bandwidth of the output pulses and time-bandwidth product were similar to 3.44 and 0.353 nm, respectively. To the best of the authors' knowledge, this is the first demonstration of the use of a skutterudite-based saturable absorber for femtosecond mode-locked pulse generation. (C) 2018 Chinese Laser Press
引用
收藏
页码：C36 / C43
页数：8
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