讲座题目：Small and fast: attosecond nanophysics
主讲人：Prof. Matthias F. Kling
主持人：吴健教授
讲座时间：2017.01.11上午10:00
讲座地点：理科大楼A510室
报告人简介：
Prof. Matthias F. Kling 现为德国慕尼黑大学物理系教授，兼德国马普量子光学所研究员、韩国浦项大学兼职教授，曾任美国堪萨斯州立大学副教授等。在超快光学、原子分子物理、纳米光子学领域有非常高的学术造诣，迄今发表学术论文130余篇，H-index 40。包括1篇Science，14篇Nature及子刊，21篇Phys.Rev.Lett，6篇JACS等。Google Scholar同行引用近7000次。撰写了关于阿秒超快方面的章节书籍等7本，被邀请在中大学术会议上做邀请报告100多次。曾获德国Nernst-Haber-Bodenstein奖、德国自然科学基金会Heisenberg学者、Emmy-Noether学者、洪堡基金会Foedor-Lynen学者、欧盟Marie Curie学者等多项荣誉。
报告摘要：
One of the most fundamental processes in nature is the photoemission of electrons from solid targets. This process forms the basis for optoelectronics, where light can trigger electron transfer, amplification, and emission, and electron injection and excitation can result in the emission of light. The decrease in the dimensions of electronic and optoelectronic circuitry is directly linked to a potential increase in their speed of operation. On nanometer (10-9 m) dimensions electrons typically move on attosecond to femtosecond timescales (10-18 – 10-15 s). The inherent link of these spatial and temporal dimensions has recently led to the development of the new field of attosecond nanophysics.
The colloquium will introduce metrology that permits to obtain information with highest time and spatial resolution. Recent results where such techniques have been applied to trace attosecond electron dynamics in nanoparticles and nanoantennas (sketched in the figure) will be highlighted. Intense few-cycle light pulses with electric fields that can be tailored on attosecond timescales are applied to control electron dynamics and emission from nanostructures. As an example for this powerful control, the “attosecond electron catapult” will be introduced, where nanofocusing was exploited to steer both time and direction of the electron emission.