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Harmonic and attosecond pulse enhancement in the presence of noise
Feng Li-Qiang1; Chu Tian-Shu1,2
关键词High-order Harmonic Generation Isolated Attosecond Pulse Photoionization
刊名CHINESE PHYSICS B
2012-12-01
DOI10.1088/1674-1056/21/12/124204
21期:12
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
关键词[WOS]LASER FIELD ; GENERATION ; PHYSICS
英文摘要In this paper, we theoretically investigate the effect of noise on the photoionization, the generation of the high-order harmonic and the attosecond pulse irradiated from a model He+ ion. It shows that by properly adding noise fields, such as Gaussian white noise, random light or colored noise, both the ionization probabilities (IPs) and the harmonic yields can be enhanced by several orders of magnitude. Further, by tuning the noise intensity, a stochastic resonance-like curve is observed, showing the existence of an optimal noise in the ionization enhancement process. Finally, by superposing a properly selected harmonic, an intense attosecond pulse with a duration of 67 as is directly generated.
语种英语
WOS记录号WOS:000314221400040
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/143020
专题中国科学院大连化学物理研究所
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, Inst Computat Sci & Engn, Lab New Fiber Mat & Modern Text, Growing Base State Key Lab, Qingdao 266071, Peoples R China
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Feng Li-Qiang,Chu Tian-Shu. Harmonic and attosecond pulse enhancement in the presence of noise[J]. CHINESE PHYSICS B,2012,21(12).
APA Feng Li-Qiang,&Chu Tian-Shu.(2012).Harmonic and attosecond pulse enhancement in the presence of noise.CHINESE PHYSICS B,21(12).
MLA Feng Li-Qiang,et al."Harmonic and attosecond pulse enhancement in the presence of noise".CHINESE PHYSICS B 21.12(2012).
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