Graphene Mode-Locked Ultrafast Laser

被引：1815

作者：

Sun, Zhipei ^{[1
]}

Hasan, Tawfique ^{[1
]}

Torrisi, Felice ^{[1
]}

Popa, Daniel ^{[1
]}

Privitera, Giulia ^{[1
]}

Wang, Fengqiu ^{[1
]}

Bonaccorso, Francesco ^{[1
]}

Basko, Denis M. ^{[2
,3
]}

Ferrari, Andrea C. ^{[1
]}

机构：

[1] Univ Cambridge, Dept Engn, Cambridge CB3 0FA, England

[2] Univ Grenoble 1, LPMMC, Grenoble, France

[3] CNRS, Grenoble, France

来源：

ACS NANO | 2010年 / 4卷 / 02期

基金：

英国工程与自然科学研究理事会; 欧洲研究理事会;

关键词：

graphene; laser; ultrafast optics; composites; PULSE GENERATION; EXFOLIATION; COMPOSITES; LIMITS;

D O I：

10.1021/nn901703e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Graphene is at the center of a significant research effort. Near-ballistic transport at room temperature and high mobility make it a potential material for nanoelectronics. Its electronic and mechanical properties are also ideal for micro- and nanomechanical systems, thin-film transistors, and transparent and conductive composites and electrodes. Here we exploit the optoelectronic properties of graphene to realize an ultrafast laser. A graphene-polymer composite is fabricated using wet-chemistry techniques. Pauli blocking following intense illumination results in saturable absorption, independent of wavelength. This is used to passively mode-lock an erbium-doped fiber laser working at 1559 nm, with a 5.24 nm spectral bandwidth and similar to 460 fs pulse duration, paving the way to graphene-based photonics,

引用

页码：803 / 810

页数：8

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