Probing Ultrafast Carrier-Carrier Scattering Dynamics in Epitaxial Graphene

被引：0

作者：

Sum, Tze Chien ^{[1
]}

Xing, Guichuan ^{[1
]}

Huan, Cheng Hon Alfred ^{[1
]}

Guo, Hongchen ^{[2
]}

Zhang, Xinhai ^{[2
]}

机构：

[1] Nanyang Technol Univ, Div Phys & Appl Phys, Sch Phys & Math Sci, Singapore 637371, Singapore

[2] ASTAR, Inst Mat Res & Engn, Singapore 117602, Singapore

来源：

2010 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) AND QUANTUM ELECTRONICS AND LASER SCIENCE CONFERENCE (QELS) | 2010年

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暂无

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：

Saturable absorption of graphene was experimentally and theoretically investigated in femtosecond time regime with the z-scan technique. The initial ultrafast carrier relaxation time was determined to be similar to 8(+/- 3) fs. Such ultrafast dynamics is far beyond the time resolution of other ultrafast techniques with typical hundred fs laser pulses. Our results strongly suggest that graphene is an excellent atomic layer saturable absorber. (C) 2010 Optical Society of America

引用

页数：2

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