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题名: Intense attosecond pulse generated from a molecular harmonic plateau of H-2(+) in mid-infrared laser fields
作者: Yu, Chao1;  He, Haixiang2;  Wang, Yunhui1;  Shi, Qi1;  Zhang, Yadong1;  Lu, Ruifeng1, 3
关键词: high-order harmonic generation ;  mid-infrared laser ;  attosecond pulse ;  molecular plateau ;  quantum wave packet
刊名: JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
发表日期: 2014-03-14
DOI: 10.1088/0953-4075/47/5/055601
卷: 47, 期:5
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Optics ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Optics ;  Physics
英文摘要: High-order harmonic generation from the molecular ion H-2(+) exposed to intense laser fields is investigated by the time-dependent quantum wave packet method. Molecular and atomic plateaus of harmonic spectra are effectively distinguished at large internuclear distances, where the harmonic efficiency of the molecular plateau is several orders of magnitude higher than that of the latter. We report on a physical model of the origin of the molecular supercontinua and reveal that the creation of this plateau directly results from the interference of the intramolecular electronic wave packet localized in two potential wells following the laser field. This is our first effort in utilizing the efficient molecular plateau to generate intense isolated attosecond pulses by controlling the dynamics of the nucleus and electrons with a mid-infrared laser. Further, we show that the harmonic plateau is enhanced at the macroscopic level by solving the Maxwell wave equation coupled with the Schrodinger equation.
关键词[WOS]: ELECTRON LOCALIZATION ;  IONIZATION ;  DISSOCIATION ;  REGIME ;  IONS ;  H-2+
语种: 英语
WOS记录号: WOS:000331949500014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145453
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Jiangsu, Peoples R China
2.Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Yu, Chao,He, Haixiang,Wang, Yunhui,et al. Intense attosecond pulse generated from a molecular harmonic plateau of H-2(+) in mid-infrared laser fields[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS,2014,47(5).
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