Performance of large-area few-layer graphene saturable absorber in femtosecond bulk laser

被引：53

作者：

Xu, Jin-Long ^{[1
]}

Li, Xian-Lei ^{[1
]}

He, Jing-Liang ^{[1
]}

Hao, Xiao-Peng ^{[1
]}

Wu, Yong-Zhong ^{[1
]}

Yang, Ying ^{[1
]}

Yang, Ke-Jian ^{[1
]}

机构：

[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 26期

基金：

中国国家自然科学基金;

关键词：

EPITAXIAL GRAPHENE; EXFOLIATION;

D O I：

10.1063/1.3672213

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Using large-area graphene sheets of 1-10 layers prepared by the improved liquid phase exfoliation technique, the mode locking operation of a diode-pumped Yb:KGW laser was demonstrated. Near-transform-limited 428 fs pulses were yielded at 1031.1 nm with an output power of 504 mW, corresponding to the slope efficiency of 27% and peak power of 13.8 kW. The output power ratio and the slope efficiency ratio of mode locking to free running were as high as 93% and 100%, respectively. This demonstration may open a proper way to achieve low-cost and efficient femtosecond bulk laser. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3672213]

引用

页数：4

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