Coherent Control of High Harmonic Generation Driven by Metal Nanotip Photoemission  

作　　者：Hongdan Zhang Xiwang Liu Facheng Jin Ming Zhu Shidong Yang Wenhui Dong Xiaohong Song Weifeng Yang 张宏丹;刘希望;金发成;朱明;杨士栋;董文卉;宋晓红;杨玮枫(Research Center for Advanced Optics and Photoelectronics,Department of Physics,College of Science,Shantou University,Shantou 515063,China;Institute of Mathematics,Shantou University,Shantou 515063,China;Key Laboratory of Intelligent Manufacturing Technology of MOE,Shantou University,Shantou 515063,China;Faculty of Science,Xi'an Aeronautical University,Xi'an 710077,China)

机构地区：[1]Research Center for Advanced Optics and Photoelectronics,Department of Physics,College of Science,Shantou University,Shantou 515063,China [2]Institute of Mathematics,Shantou University,Shantou 515063,China [3]Key Laboratory of Intelligent Manufacturing Technology of MOE,Shantou University,Shantou 515063,China [4]Faculty of Science,Xi'an Aeronautical University,Xi'an 710077,China

出　　处：《Chinese Physics Letters》2021年第6期30-34,共5页中国物理快报（英文版）

基　　金：Supported by the National Key Research and Development Program of China(Grant Nos.2019YFA0307700 and 2016YFA0401100);the National Natural Science Foundation of China(Grant Nos.11774215,11674209,91950101,11947243,11334009,11425414,and11947080);Sino-German Mobility Programme(Grant No.M-0031);Department of Education of Guangdong Province(Grant No.2018KCXTD011);High Level University Projects of the Guangdong Province(Mathematics,Shantou University);the Open Fund of the State Key Laboratory of High Field Laser Physics(SIOM)。

摘　　要：Steering ultrafast electron dynamics with well-controlled laser fields is very important for generation of intense supercontinuum radiation.It can be achieved through coherent control of the symmetry of the interaction between strong-field laser fields and a metal nanotip.We employ a scheme of two-color laser pulses combined with a weak static field to realize the control of a single quantum path to generate high harmonic generation from a single solid-state nanoemitter.Moreover,a smooth and ultrabroad supercontinuum in the extreme ultraviolet region is obtained,which can produce a single attosecond pulse.Our findings are beneficial for efficient generation of isolated sub-100 as XUV pulses from solid-state sources.

关 键 词：HARMONIC ULTRAVIOLET TIP 

分 类 号：O437[机械工程—光学工程]