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Frequency modulation of high-order harmonic generation in an orthogonally polarized two-color laser field
Li, Guicun; Zheng, Yinghui; Ge, Xiaochun; Zeng, Zhinan; Li, Ruxin; yhzheng@mail.siom.ac.cn; zhinan_zeng@mail.siom.ac.cn
2016
发表期刊Opt. Express
卷号24期号:16页码:18685
摘要We have experimentally investigated the frequency modulation of high-order harmonics in an orthogonally polarized two-color laser field consisting of a mid-infrared 1800nm fundamental pulse and its second harmonic pulse. It is demonstrated that the high harmonic spectra can be fine-tuned as we slightly change the relative delay of the two-color laser pulses. By analyzing the relative frequency shift of each harmonic at different two-color delays, the nonadiabatic spectral shift induced by the rapid variation of the intensity-dependent intrinsic dipole phase can be distinguished from the blueshift induced by the change of the refractive index during self-phase modulation (SPM). Our comprehensive analysis shows that the frequency modulation pattern is a reflection of the average emission time of high-order harmonic generation (HHG), thus offering a simple method to fine-tune the spectra of the harmonics on a sub-cycle time scale. (C) 2016 Optical Society of America
文章类型Article
部门归属强光
DOI10.1364/OE.24.018685
资助者National Natural Science Foundation of China [11127901, 61221064, 11134010, 11227902, 11222439, 11274325]; 973 Project [2011CB808103]; Shanghai Commission of Science and Technology [12QA1403700] ; National Natural Science Foundation of China [11127901, 61221064, 11134010, 11227902, 11222439, 11274325]; 973 Project [2011CB808103]; Shanghai Commission of Science and Technology [12QA1403700] ; National Natural Science Foundation of China [11127901, 61221064, 11134010, 11227902, 11222439, 11274325]; 973 Project [2011CB808103]; Shanghai Commission of Science and Technology [12QA1403700] ; National Natural Science Foundation of China [11127901, 61221064, 11134010, 11227902, 11222439, 11274325]; 973 Project [2011CB808103]; Shanghai Commission of Science and Technology [12QA1403700]
收录类别SCI
资助者National Natural Science Foundation of China [11127901, 61221064, 11134010, 11227902, 11222439, 11274325]; 973 Project [2011CB808103]; Shanghai Commission of Science and Technology [12QA1403700] ; National Natural Science Foundation of China [11127901, 61221064, 11134010, 11227902, 11222439, 11274325]; 973 Project [2011CB808103]; Shanghai Commission of Science and Technology [12QA1403700] ; National Natural Science Foundation of China [11127901, 61221064, 11134010, 11227902, 11222439, 11274325]; 973 Project [2011CB808103]; Shanghai Commission of Science and Technology [12QA1403700] ; National Natural Science Foundation of China [11127901, 61221064, 11134010, 11227902, 11222439, 11274325]; 973 Project [2011CB808103]; Shanghai Commission of Science and Technology [12QA1403700]
WOS记录号WOS:000384716000107
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28616
专题强场激光物理国家重点实验室
通讯作者yhzheng@mail.siom.ac.cn; zhinan_zeng@mail.siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
推荐引用方式
GB/T 7714
Li, Guicun,Zheng, Yinghui,Ge, Xiaochun,et al. Frequency modulation of high-order harmonic generation in an orthogonally polarized two-color laser field[J]. Opt. Express,2016,24(16):18685.
APA Li, Guicun.,Zheng, Yinghui.,Ge, Xiaochun.,Zeng, Zhinan.,Li, Ruxin.,...&zhinan_zeng@mail.siom.ac.cn.(2016).Frequency modulation of high-order harmonic generation in an orthogonally polarized two-color laser field.Opt. Express,24(16),18685.
MLA Li, Guicun,et al."Frequency modulation of high-order harmonic generation in an orthogonally polarized two-color laser field".Opt. Express 24.16(2016):18685.
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