Simultaneous study of the lower order harmonic and photoelectron emission from an atom in intense laser pulse

doi:10.1088/1674-1056/27/8/083202

中国物理B ›› 2018, Vol. 27 ›› Issue (8): 83202-083202.doi: 10.1088/1674-1056/27/8/083202

• ATOMIC AND MOLECULAR PHYSICS • 上一篇下一篇

Simultaneous study of the lower order harmonic and photoelectron emission from an atom in intense laser pulse

Yan Yan(闫妍), Fu-Ming Guo(郭福明), Jun Wang(王俊), Ji-Gen Chen(陈基根), Yu-Jun Yang(杨玉军)

1 Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China;
2 Jilin Provincial Key Laboratory of Applied Atomic and Molecular Spectroscopy(Jilin University), Changchun 130012, China;
3 Department of Physics and Materials Engineering, Taizhou University, Taizhou 318000, China

收稿日期:2018-05-11 修回日期:2018-06-17 出版日期:2018-08-05 发布日期:2018-08-05
通讯作者: Yu-Jun Yang E-mail:yangyj@jlu.edu.cn
基金资助:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0403300), the National Natural Science Foundation of China (Grant Nos. 11774129, 11274141, 11627807, 11604119, and 11534004), and the Jilin Provincial Research Foundation for Basic Research, China (Grant No. 20170101153JC).

Simultaneous study of the lower order harmonic and photoelectron emission from an atom in intense laser pulse

Yan Yan(闫妍)^1,2, Fu-Ming Guo(郭福明)^1,2, Jun Wang(王俊)^1,2, Ji-Gen Chen(陈基根)³, Yu-Jun Yang(杨玉军)^1,2

1 Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China;
2 Jilin Provincial Key Laboratory of Applied Atomic and Molecular Spectroscopy(Jilin University), Changchun 130012, China;
3 Department of Physics and Materials Engineering, Taizhou University, Taizhou 318000, China

Received:2018-05-11 Revised:2018-06-17 Online:2018-08-05 Published:2018-08-05
Contact: Yu-Jun Yang E-mail:yangyj@jlu.edu.cn
Supported by:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0403300), the National Natural Science Foundation of China (Grant Nos. 11774129, 11274141, 11627807, 11604119, and 11534004), and the Jilin Provincial Research Foundation for Basic Research, China (Grant No. 20170101153JC).

摘要/Abstract

摘要： We simultaneously investigate variations of a low order harmonic and photoelectron emission with an incident laser intensity by solving the time-dependent Schrödinger equation in a momentum space. It can be found that, the intensity of low order harmonic and photoelectron are gradually enhanced with the increase of the laser intensity, when the laser frequency is not in resonance with the transition frequency between the laser-induced high excited states and the ground state. If the resonance occurs, the intensity of the lower order harmonic is reduced and the interference can be observed in the lower order photoelectron spectra.

关键词: high-order harmonic generation, above threshold ionization

Abstract: We simultaneously investigate variations of a low order harmonic and photoelectron emission with an incident laser intensity by solving the time-dependent Schrödinger equation in a momentum space. It can be found that, the intensity of low order harmonic and photoelectron are gradually enhanced with the increase of the laser intensity, when the laser frequency is not in resonance with the transition frequency between the laser-induced high excited states and the ground state. If the resonance occurs, the intensity of the lower order harmonic is reduced and the interference can be observed in the lower order photoelectron spectra.

Key words: high-order harmonic generation, above threshold ionization

中图分类号: (Multiphoton ionization and excitation to highly excited states)

32.80.Rm

42.50.Hz (Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)

闫妍, 郭福明, 王俊, 陈基根, 杨玉军. Simultaneous study of the lower order harmonic and photoelectron emission from an atom in intense laser pulse[J]. 中国物理B, 2018, 27(8): 83202-083202.

Yan Yan(闫妍), Fu-Ming Guo(郭福明), Jun Wang(王俊), Ji-Gen Chen(陈基根), Yu-Jun Yang(杨玉军). Simultaneous study of the lower order harmonic and photoelectron emission from an atom in intense laser pulse[J]. Chin. Phys. B, 2018, 27(8): 83202-083202.

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Simultaneous study of the lower order harmonic and photoelectron emission from an atom in intense laser pulse

Simultaneous study of the lower order harmonic and photoelectron emission from an atom in intense laser pulse

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