DICP OpenIR
Isolated few-attosecond emission in a multi-cycle asymmetrically nonhomogeneous two-color laser field
Yu, Chao1; Wang, Yunhui1; Cao, Xu1; Jiang, Shicheng1; Lu, Ruifeng1,2
KeywordHigh-order Harmonic Generation Plasmon-enhanced Nonhomogeneous Laser Field Attosecond
Source PublicationJOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
2014-11-28
DOI10.1088/0953-4075/47/22/225602
Volume47Issue:22
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectOptics ; Physics, Atomic, Molecular & Chemical
WOS Research AreaOptics ; Physics
WOS KeywordHIGH-HARMONIC-GENERATION ; PULSE GENERATION ; ENHANCEMENT ; NANOSTRUCTURES ; IONIZATION ; PLATEAU ; MOTION
AbstractBy solving the three-dimensional time-dependent Schrodinger equation, we present a theoretical investigation of helium-based high-order harmonic generation (HHG) in both symmetric and asymmetric spatially nonhomogeneous laser fields. It is determined that the harmonic cutoff is extended in both symmetric and asymmetric nonhomogeneous laser fields, and the spatial symmetry of the nonhomogeneous field greatly influences the movement of electronic wave packets, which subsequently affect harmonic emission. In particular, the spatially asymmetric distribution of the laser field will induce asymmetric recombination of electronic wave packets between the two sides of a helium atom, which could reduce the interference in HHG emission for every optical cycle. In combination with the two-color technique, multi-cycle laser pulses with asymmetric spatially nonhomogeneous characteristics are capable of generating a coherent extreme ultraviolet supercontinuum, which can be used to produce isolated few-attosecond pulses.
Language英语
WOS IDWOS:000344499200027
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/145852
Collection中国科学院大连化学物理研究所
Affiliation1.Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Jiangsu, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Yu, Chao,Wang, Yunhui,Cao, Xu,et al. Isolated few-attosecond emission in a multi-cycle asymmetrically nonhomogeneous two-color laser field[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS,2014,47(22).
APA Yu, Chao,Wang, Yunhui,Cao, Xu,Jiang, Shicheng,&Lu, Ruifeng.(2014).Isolated few-attosecond emission in a multi-cycle asymmetrically nonhomogeneous two-color laser field.JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS,47(22).
MLA Yu, Chao,et al."Isolated few-attosecond emission in a multi-cycle asymmetrically nonhomogeneous two-color laser field".JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS 47.22(2014).
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