Graphene-filled hollow optical fiber saturable absorber for efficient soliton fiber laser mode-locking

被引：83
|
作者：
Choi, Sun Young [1 ]
Cho, Dae Kun [1 ]
Song, Yong-Won [2 ]
Oh, Kyunghwan [3 ]
Kim, Kihong [1 ]
Rotermund, Fabian [1 ]
Yeom, Dong-Il [1 ]
机构：
[1] Ajou Univ, Div Energy Syst Res, Suwon 443749, South Korea
[2] Korea Inst Sci & Technol, Optoelect Mat Ctr, Seoul 136791, South Korea
[3] Yonsei Univ, Inst Phys & Appl Phys, Seoul 120749, South Korea
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 05期
关键词：
CARBON NANOTUBES; PULSED LASERS; OPTOELECTRONICS; PHOTONICS;
D O I：
10.1364/OE.20.005652
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate a novel in-line saturable absorber based on hollow optical fiber (HOF) filled with graphene composite for high power operation of mode-locked fiber laser. Evanescent field of guided mode propagating in few centimeter-long HOF interacts with the graphene/polyvinyl acetate (PVAc) composite, which enables robust and efficient nonlinear absorption leading to stable passive mode-locking. The mode-locked fiber laser generates soliton pulses with 5.9-nm spectral bandwidth and its maximum output power is measured up to 80 mW. We also observe passive harmonic mode-locking of soliton laser delivering stable pulses with a repetition rate of 506.9 MHz at 33rd harmonics. (c) 2012 Optical Society of America
引用
收藏
页码：5652 / 5657
页数：6
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