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Generation of single attosecond pulse within one atomic unit by using multi-cycle inhomogeneous polarization gating technology in bowtie-shaped nanostructure
Feng, Liqiang1,2; Liu, Hang1,3
Source PublicationEUROPEAN PHYSICAL JOURNAL D
2018-04-10
ISSN1434-6060
DOI10.1140/epjd/e2018-80657-2
Volume72Issue:4
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectOptics ; Physics, Atomic, Molecular & Chemical
WOS Research AreaOptics ; Physics
WOS KeywordORDER HARMONIC-GENERATION ; FIELD ENHANCEMENT ; CHIRPED-PULSE ; LASER-PULSES ; DYNAMICS ; MOLECULES ; EMISSION ; UNIPOLAR ; DRIVEN
AbstractThe generations of high-order harmonic spectra and single attosecond pulses (SAPs) driven by the multi-cycle inhomogeneous polarization gating (PG) technology in the bowtie-shaped nanostructure have been theoretically investigated. It is found that by setting the bowtie-shaped nanostructure along the driven laser polarization direction, not only the extension of the harmonic cutoff can be achieved, caused by the surface plasmon polaritons, but also the modulations of the harmonics can be decreased, caused by the PG technology and the inhomogeneous effect. As a result, the contribution of the harmonic plateau is only from one harmonic emission peak with the dominant short quantum path. Further, by properly adding a half-cycle pulse into the driven laser field, the harmonic emission process can be precisely controlled in the half-cycle duration and a supercontinuum with the bandwidth of 263 eV can be obtained. Finally, by directly superposing the harmonics from this supercontinuum, a SAP with the full width at half maximum of 23 as can be obtained, which is shorter than one atomic unit.
Language英语
WOS IDWOS:000429700800001
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/168993
Collection中国科学院大连化学物理研究所
Corresponding AuthorLiu, Hang
Affiliation1.Liaoning Univ Technol, Lab Modern Phys, Jinzhou 121001, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
3.Liaoning Univ Technol, Sch Chem & Environm Engn, Jinzhou 121001, Peoples R China
Recommended Citation
GB/T 7714
Feng, Liqiang,Liu, Hang. Generation of single attosecond pulse within one atomic unit by using multi-cycle inhomogeneous polarization gating technology in bowtie-shaped nanostructure[J]. EUROPEAN PHYSICAL JOURNAL D,2018,72(4).
APA Feng, Liqiang,&Liu, Hang.(2018).Generation of single attosecond pulse within one atomic unit by using multi-cycle inhomogeneous polarization gating technology in bowtie-shaped nanostructure.EUROPEAN PHYSICAL JOURNAL D,72(4).
MLA Feng, Liqiang,et al."Generation of single attosecond pulse within one atomic unit by using multi-cycle inhomogeneous polarization gating technology in bowtie-shaped nanostructure".EUROPEAN PHYSICAL JOURNAL D 72.4(2018).
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