DICP OpenIR
Generation of high-intensity KeV single-attosecond pulse using multi-cycle spatial inhomogeneous mid-infrared field
Feng, Liqiang1,2; Liu, Hang1; Li, Yi1; Li, Wenliang2,3
Source PublicationJOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
2018-05-01
ISSN0740-3224
DOI10.1364/JOSAB.35.000A84
Volume35Issue:5Pages:A84-A92
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectOptics
WOS Research AreaOptics
WOS KeywordHIGH-HARMONIC-GENERATION ; BROAD-BAND SUPERCONTINUUM ; LASER FIELD ; ENHANCEMENT ; NANOSTRUCTURES ; IONIZATION ; H-2(+) ; DRIVEN ; LIGHT ; ATOM
AbstractAn efficient method of producing KeV single-attosecond pulses (SAPs) is proposed and investigated through the combination of a multi-cycle two-color mid-infrared field and a few-cycle near-infrared field in a metal nano-structure. It is found that by properly controlling the carrier envelope phases (CEPs) and delay time of the three-color field, not only can the quantum path of the harmonic emission be controlled, but the harmonic yield can also be enhanced by 2 orders of magnitude, leading to a high-intensity supercontinuum with contribution from only one harmonic emission event. Further, with the introduction of the inhomogeneous effect of the laser field, the harmonics emitted at the higher orders that generate SAPs occur only at one side of the region inside the nanostructure. As a result, not only can the harmonic cutoff be extended, but the modulations of the harmonics can also be decreased, showing a supercontinuum with a cutoff in the KeV region. Finally, by selecting the generated harmonics, a series of sub-35-attosecond pulses in the extreme ultraviolet (XUV) or the x-ray region can be produced. Particularly when superposing the harmonics around the cutoff region, a KeV-SAP as short as 34 attoseconds can be obtained. (C) 2018 Optical Society of America
Language英语
WOS IDWOS:000431180600002
PublisherOPTICAL SOC AMER
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/167125
Collection中国科学院大连化学物理研究所
Corresponding AuthorFeng, Liqiang
Affiliation1.Liaoning Univ Technol, Coll Sci, 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.Xinjiang Inst Engn, Dept Phys, Urumqi 830091, Peoples R China
Recommended Citation
GB/T 7714
Feng, Liqiang,Liu, Hang,Li, Yi,et al. Generation of high-intensity KeV single-attosecond pulse using multi-cycle spatial inhomogeneous mid-infrared field[J]. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS,2018,35(5):A84-A92.
APA Feng, Liqiang,Liu, Hang,Li, Yi,&Li, Wenliang.(2018).Generation of high-intensity KeV single-attosecond pulse using multi-cycle spatial inhomogeneous mid-infrared field.JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS,35(5),A84-A92.
MLA Feng, Liqiang,et al."Generation of high-intensity KeV single-attosecond pulse using multi-cycle spatial inhomogeneous mid-infrared field".JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 35.5(2018):A84-A92.
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