DICP OpenIR
Reexamination of wavelength scaling of harmonic yield in intense midinfrared fields
Wang, Yunhui1; Yu, Chao1; Shi, Qi1; Zhang, Yadong1; Cao, Xu1; Jiang, Shicheng1; Lu, Ruifeng1,2
Source PublicationPHYSICAL REVIEW A
2014-02-18
DOI10.1103/PhysRevA.89.023825
Volume89Issue:2
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectOptics ; Physics, Atomic, Molecular & Chemical
WOS Research AreaOptics ; Physics
WOS KeywordATTOSECOND PULSE ; 2-COLOR FIELD ; CYCLE PULSES ; MU-M ; GENERATION ; ATOMS ; REGIME ; IONS
AbstractWe theoretically investigate harmonic generation driven by intense midinfrared lasers. A valleylike structure is observed at very low-order harmonics because of a low-energy photoelectron suppression effect. Further, at the beginning of a broad supercontinuum, a convex structure appears that is distributed from the tail in a very narrow energy band in time-frequency maps. Surprisingly, our quantum dynamics calculations demonstrate the beneficial wavelength scaling of the harmonic yield to be lambda(4.6) for He and lambda(5.1) for Ne over selected energy windows. The bandwidth of the harmonic plateau with only a single quantum trajectory contribution can be further extended by adding a controlling laser field, and the harmonic efficiency is found to be significantly enhanced after macroscopic propagation. In addition, ultrashort isolated attosecond pulses can be obtained by properly superposing the harmonics in the plateaus of both the He and Ne systems.
Language英语
WOS IDWOS:000332329800026
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/145423
Collection中国科学院大连化学物理研究所
Affiliation1.Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Jiangsu, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yunhui,Yu, Chao,Shi, Qi,et al. Reexamination of wavelength scaling of harmonic yield in intense midinfrared fields[J]. PHYSICAL REVIEW A,2014,89(2).
APA Wang, Yunhui.,Yu, Chao.,Shi, Qi.,Zhang, Yadong.,Cao, Xu.,...&Lu, Ruifeng.(2014).Reexamination of wavelength scaling of harmonic yield in intense midinfrared fields.PHYSICAL REVIEW A,89(2).
MLA Wang, Yunhui,et al."Reexamination of wavelength scaling of harmonic yield in intense midinfrared fields".PHYSICAL REVIEW A 89.2(2014).
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