Theoretical exploration of harmonic emission and attosecond pulse generation from H-2(+) in the presence of terahertz pulse

doi:10.1142/S0217984916502262

	Theoretical exploration of harmonic emission and attosecond pulse generation from H-2(+) in the presence of terahertz pulse
	Liu, Hang 2; Feng, Liqiang 1,2,3
刊名	MODERN PHYSICS LETTERS B
	2016-06-30
卷号	30 期号:17
关键词	High-order Harmonic Generation Non-born-oppenheimer Time-dependent Schrodinger Equation Attosecond Pulse Terahertz Pulse
ISSN号	0217-9849
DOI	10.1142/S0217984916502262
文献子类	Article
英文摘要	Harmonic 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.
WOS关键词	WAVE-PACKET ; FIELD ; IONIZATION
WOS研究方向	Physics
语种	英语
出版者	WORLD SCIENTIFIC PUBL CO PTE LTD
WOS记录号	WOS:000380255600011
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/170336]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者	Feng, Liqiang
作者单位	1.Liaoning Univ Technol, Coll Sci, Jinzhou 121000, Peoples R China 2.Liaoning Univ Technol, Sch Chem & Environm Engn, Jinzhou 121000, Peoples R China 3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
推荐引用方式 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).