上世纪九十年代初和本世纪初，碳纳米管和石墨烯凭借其优异的电学、光学、力学属性，以及其广阔的应用前景，相继成为科学界最引人注目的应用纳米材料。自2002年，对碳纳米管的光学开关的研究揭示了了其亚皮秒级（<10^-12秒）的载流子恢复时间以来，关于碳纳米材料在超快光学领域里的研究迅速发展。利用碳纳米材料作为新型非线性吸收器件，生成超快脉冲成为了发展速度最快、影响最大的一个应用研究分支。2009年，石墨烯的非线性吸收特性也被实验证实，其超宽带的光学吸收和易于集成的二维层状结构，给该领域注入了新的活力，并使得基于碳纳米材料的超快激光器距实用化又走进一步。

 

本报告将全面介绍石墨烯、碳纳米管非线性吸收器件的制备、表征以及基于该类新型器件的超快激光器设计和应用。回顾近年来该领域所取得的重要进展、未来需要解决的技术难题和未来的研究发展趋势。

 

 

Dr. Fengqiu Wang is currently a Research Associate with the Nanomaterials and Spectroscopy Group at the Department of Engineering, University of Cambridge. He obtained his B.S. degree in Electronic Engineering from Peking University, China in 2003, and then a PhD from Cambridge University in 2009. He is one of the early researchers that worked on ultrafast fibre lasers mode-locked by carbon nanomaterials (graphene and carbon nanotubes) based saturable absorber devices. He has published 30 papers and contributed 23 oral presentations at international conferences. His research has been cited more than ~900 times during the past five years.