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学科主题: 物理化学
题名: Generation of isolated sub-10-attosecond pulses in spatially inhomogenous two-color fields
作者: Cao, Xu1;  Jiang, Shicheng1;  Yu, Chao1;  Wang, Yunhui1;  Bai, Lihua2;  Lu, Ruifeng1, 3
通讯作者: 陆瑞锋
刊名: OPTICS EXPRESS
发表日期: 2014-10-20
DOI: 10.1364/OE.22.026153
卷: 22, 期:21, 页:26153-26161
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
英文摘要: We present a theoretical investigation of high-order harmonic generation in spatially inhomogeneous two-color laser fields by solving three dimensional time dependent Schrodinger equation. The cutoff in the harmonic spectra can be significantly extended by means of our proposed method (i.e., from helium interacting with the plasmon-enhanced two-color laser fields), and an ultrabroad supercontinuum up to 1.5 keV is generated by selecting proper carrier-envelope phase of the controlling field. Moreover, classical trajectory extraction, time-dependent ionization and recombination rates, and time-frequency analyses are used to explain the generation of this ultrabroadband supercontinuum. As a result, an isolated 8.8 attosecond pulse can be generated directly by the superposition of the supercontinuum harmonics. (C) 2014 Optical Society of America
关键词[WOS]: HIGH-HARMONIC-GENERATION ;  ATTOSECOND PULSE ;  IONIZATION ;  ENHANCEMENT ;  NANOSTRUCTURES ;  MOTION
语种: 英语
WOS记录号: WOS:000344004600151
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144194
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.Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Jiangsu, Peoples R China
2.Shanghai Univ, Dept Phys, Shanghai 200444, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Cao, Xu,Jiang, Shicheng,Yu, Chao,et al. Generation of isolated sub-10-attosecond pulses in spatially inhomogenous two-color fields[J]. OPTICS EXPRESS,2014,22(21):26153-26161.
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