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Theoretical exploration of harmonic emission and attosecond pulse generation from H-2(+) in the presence of terahertz pulse
Liu, Hang1; Feng, Liqiang1,2,3
KeywordHigh-order Harmonic Generation Non-born-oppenheimer Time-dependent Schrodinger Equation Attosecond Pulse Terahertz Pulse
Source PublicationMODERN PHYSICS LETTERS B
2016-06-30
ISSN0217-9849
DOI10.1142/S0217984916502262
Volume30Issue:17
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectPhysics, Applied ; Physics, Condensed Matter ; Physics, Mathematical
WOS Research AreaPhysics
WOS KeywordWAVE-PACKET ; FIELD ; IONIZATION
AbstractHarmonic generation spectra from H-2(+) molecule ion driven by the chirped pulse combined with a terahertz (THz) pulse have been theoretically investigated by numerically solving the non-Born-Oppenheimer time-dependent Schrodinger equation (NBO-TDSE). The results show that with the introduction of the chirp, the harmonic cutoff is extended, resulting in a smooth supercontinuum. Further, when the initial vibrational state is prepared as v = 3, and by properly adding a THz controlling pulse, the harmonic yield is enhanced by almost six orders of magnitude compared with the single chirped pulse case. Quantum analyses are shown to explain the harmonic extension and enhancement. Furthermore, through the investigation of the isotopic effect, we find that more intense harmonics are generated in the lighter nucleus. Finally, by properly superposing the harmonics, a series of intense 35 as XUV pulses can be obtained, which are almost six orders of magnitude improvement in comparison with the single chirped pulse case.
Language英语
WOS IDWOS:000380255600011
PublisherWORLD SCIENTIFIC PUBL CO PTE LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/170337
Collection中国科学院大连化学物理研究所
Corresponding AuthorFeng, Liqiang
Affiliation1.Liaoning Univ Technol, Sch Chem & Environm Engn, Jinzhou 121000, Peoples R China
2.Liaoning Univ Technol, Coll Sci, Jinzhou 121000, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Liu, Hang,Feng, Liqiang. Theoretical exploration of harmonic emission and attosecond pulse generation from H-2(+) in the presence of terahertz pulse[J]. MODERN PHYSICS LETTERS B,2016,30(17).
APA Liu, Hang,&Feng, Liqiang.(2016).Theoretical exploration of harmonic emission and attosecond pulse generation from H-2(+) in the presence of terahertz pulse.MODERN PHYSICS LETTERS B,30(17).
MLA Liu, Hang,et al."Theoretical exploration of harmonic emission and attosecond pulse generation from H-2(+) in the presence of terahertz pulse".MODERN PHYSICS LETTERS B 30.17(2016).
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