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9月13日学术报告

来源： 发布时间：2017-09-04【字体：大 中 小】

　　题目：2D materials: a new playground for nonlinear optics

　　姓名：吴施伟 

　　单位：复旦大学 

　　时间：2017年9月13日（周三）上午10:00 

　　地点：溢智厅

　　 

　　Abstract:　Atomically thin two dimensional materials such as graphene and transition metal dichalcogenide monolayers have recently spurred a great of interests due to their unique mechanic, electronic, optical and magnetic properties. Individual member in this class of 2D materials is characteristic in term of structural symmetry. Furthermore, the structural symmetry could also be tuned, depending on how monolayers are stacked on one another. These variations in symmetry have given rise to rich properties among different 2D materials and their homo-/hetero-structures. Moreover, they provide a new playground for nonlinear optics, because second harmonic generation (a basic nonlinear optical process) is extremely sensitive to structural symmetry. In this talk, I will present our nonlinear optical microscopy and spectroscopy of 2D materials.  

   个人简介：Shiwei Wu is currently a professor in the department of physics at Fudan University. He got his bachelor degree from Fudan University in 2001, and his PhD degree from University of California Irvine in 2007. Before joining the faculty of physics at Fudan in 2011, he did his postdoctoral research at Molecular Foundry at Lawrence Berkeley National Laboratory. His research interest focuses on developing and applying state-of-the-art scanning probe and optical techniques to obtain microscopic understanding of important problems in condensed matter physics and surface science. Recently, his research group is working actively in the field of atomically thin two dimensional materials including graphene and transition metal dichalcogenides. 

                                

　　强场激光物理国家重点实验室   

    

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