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学科主题: 物理化学
题名: Single quantum path control by a fundamental chirped pulse combined with a subharmonic control pulse
作者: Feng, Liqiang1;  Chu, Tianshu1, 2
通讯作者: 楚天舒
关键词: High-order harmonic generation ;  Isolated attosecond pulse ;  Quantum path control ;  Chirped pulse
刊名: JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
发表日期: 2012-11-01
DOI: 10.1016/j.elspec.2012.09.002
卷: 185, 期:11, 页:458-465
收录类别: SCI
文章类型: Article
部门归属: 11
项目归属: 1101
产权排名: 1,1
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Spectroscopy
研究领域[WOS]: Spectroscopy
英文摘要: In this paper, we study the issue of single quantum path control and its role in attosecond pulse generation. By carrying out the time-dependent Schrodinger equation analysis for the harmonic emission from a single He atom irradiated by the two-color laser field, consisting of a short 800 fundamental chirped pulse and a subharmonic 800-2400 nm control pulse, we find that the most favorable condition for attosecond generation is at the fundamental chirp parameter beta = 4.55 together with the zero-phase 2000 nm control pulse, in which the single quantum path (short quantum path) is selected to contribute to the harmonic spectrum exhibiting an ultrabroad supercontinuum of a 337 eV bandwidth. Finally, an isolated attosecond pulse as short as 39 as is thus generated directly. (C) 2012 Elsevier B.V. All rights reserved.
关键词[WOS]: ORDER HARMONIC-GENERATION ;  ATTOSECOND PULSE ;  FIELD ;  IONIZATION ;  PHYSICS ;  PROPAGATION ;  DYNAMICS
语种: 英语
WOS记录号: WOS:000314439900004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/118020
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Qingdao Univ, Growing Base State Key Lab, Inst Computat Sci & Engn, Lab New Fiber Mat & Modern Text, Qingdao 266071, Peoples R China

Recommended Citation:
Feng, Liqiang,Chu, Tianshu. Single quantum path control by a fundamental chirped pulse combined with a subharmonic control pulse[J]. JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA,2012,185(11):458-465.
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