Ultrafast Mode-Locked Fiber Laser Using a Waveguide-Type Saturable Absorber Based on Single-Walled Carbon Nanotubes

被引:18
作者
Jeong, Hwanseong [1 ,2 ]
Choi, Sun Young [1 ,2 ]
Jeong, Eun Il [3 ]
Cha, Sang Jun [3 ]
Rotermund, Fabian [1 ,2 ]
Yeom, Dong-Il [1 ,2 ]
机构
[1] Ajou Univ, Dept Phys, Suwon 443749, Gyeonggi, South Korea
[2] Ajou Univ, Div Energy Syst Res, Suwon 443749, Gyeonggi, South Korea
[3] Fiber Pro Inc, Taejon 305343, South Korea
关键词
EVANESCENT FIELD INTERACTION; TECHNOLOGY; LOCKING;
D O I
10.7567/APEX.6.052705
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report a waveguide-type single-walled carbon nanotube saturable absorber (SWCNT-SA) for passive mode-locking of ultrafast lasers. Conventional silica planar lightwave circuit (PLC) waveguides possessing excellent stability and low propagation loss are employed for efficient interaction with SWCNTs. A high-quality SWCNT/polymer composite is coated on the PLC chip under optimized conditions. We then analyze the linear and nonlinear transmission properties of the fabricated waveguide-type SA. As a proof of our concept, a mode-locked fiber laser including our SA was built; it stably delivers 602 fs pulses with an average output power of 8.58 mW at a repetition rate of 11.25 MHz. (c) 2013 The Japan Society of Applied Physics
引用
收藏
页数:4
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