Influence of ionization suppression on high-harmonic generation in molecules: Dependence of cutoff energy on driver wavelength

Guihua Li; Jinping Yao; Haisu Zhang; Chenrui Jing; Bin Zeng; Wei Chu; Jielei Ni; Hongqiang Xie; Xiaojun Liu; Jing Chen; Ya Cheng; Zhizhan Xu

doi:10.1103/PhysRevA.88.043401

Influence of ionization suppression on high-harmonic generation in molecules: Dependence of cutoff energy on driver wavelength

Guihua Li^*
, Jinping Yao
, Haisu Zhang
, Chenrui Jing
, Bin Zeng
, Wei Chu
, Jielei Ni
, Hongqiang Xie
, Xiaojun Liu
, Jing Chen
, Ya Cheng
, Zhizhan Xu

^*Corresponding author for this work

CAS - Shanghai Institute of Optics and Fine Mechanics
University of Chinese Academy of Sciences
CAS - Innovation Academy for Precision Measurement Science and Technology
Peking University
IAPCM

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

We experimentally investigate high-order-harmonic generation (HHG) of diatomic molecules (O₂, N₂) and their companion atoms (Xe, Ar, respectively, which are of nearly the same ionization potentials as the corresponding molecules) with midinfrared femtosecond laser pulses. It is found that the cutoff of O₂ extends to higher energy as compared to that of Xe, and the extension of cutoff energy of O₂ depends on the driver wavelength. Our theoretical analysis shows that the ionization suppression induced by two-center interference should be responsible for the harmonic cutoff extension of O₂.

Original language	English
Article number	043401
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	88
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevA.88.043401
State	Published - 2 Oct 2013
Externally published	Yes

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Li, G., Yao, J., Zhang, H., Jing, C., Zeng, B., Chu, W., Ni, J., Xie, H., Liu, X., Chen, J., Cheng, Y., & Xu, Z. (2013). Influence of ionization suppression on high-harmonic generation in molecules: Dependence of cutoff energy on driver wavelength. Physical Review A - Atomic, Molecular, and Optical Physics, 88(4), Article 043401. https://doi.org/10.1103/PhysRevA.88.043401

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title = "Influence of ionization suppression on high-harmonic generation in molecules: Dependence of cutoff energy on driver wavelength",

abstract = "We experimentally investigate high-order-harmonic generation (HHG) of diatomic molecules (O2, N2) and their companion atoms (Xe, Ar, respectively, which are of nearly the same ionization potentials as the corresponding molecules) with midinfrared femtosecond laser pulses. It is found that the cutoff of O2 extends to higher energy as compared to that of Xe, and the extension of cutoff energy of O2 depends on the driver wavelength. Our theoretical analysis shows that the ionization suppression induced by two-center interference should be responsible for the harmonic cutoff extension of O2.",

author = "Guihua Li and Jinping Yao and Haisu Zhang and Chenrui Jing and Bin Zeng and Wei Chu and Jielei Ni and Hongqiang Xie and Xiaojun Liu and Jing Chen and Ya Cheng and Zhizhan Xu",

year = "2013",

month = oct,

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doi = "10.1103/PhysRevA.88.043401",

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volume = "88",

journal = "Physical Review A - Atomic, Molecular, and Optical Physics",

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TY - JOUR

T1 - Influence of ionization suppression on high-harmonic generation in molecules

T2 - Dependence of cutoff energy on driver wavelength

AU - Li, Guihua

AU - Yao, Jinping

AU - Zhang, Haisu

AU - Jing, Chenrui

AU - Zeng, Bin

AU - Chu, Wei

AU - Ni, Jielei

AU - Xie, Hongqiang

AU - Liu, Xiaojun

AU - Chen, Jing

AU - Cheng, Ya

AU - Xu, Zhizhan

PY - 2013/10/2

Y1 - 2013/10/2

N2 - We experimentally investigate high-order-harmonic generation (HHG) of diatomic molecules (O2, N2) and their companion atoms (Xe, Ar, respectively, which are of nearly the same ionization potentials as the corresponding molecules) with midinfrared femtosecond laser pulses. It is found that the cutoff of O2 extends to higher energy as compared to that of Xe, and the extension of cutoff energy of O2 depends on the driver wavelength. Our theoretical analysis shows that the ionization suppression induced by two-center interference should be responsible for the harmonic cutoff extension of O2.

AB - We experimentally investigate high-order-harmonic generation (HHG) of diatomic molecules (O2, N2) and their companion atoms (Xe, Ar, respectively, which are of nearly the same ionization potentials as the corresponding molecules) with midinfrared femtosecond laser pulses. It is found that the cutoff of O2 extends to higher energy as compared to that of Xe, and the extension of cutoff energy of O2 depends on the driver wavelength. Our theoretical analysis shows that the ionization suppression induced by two-center interference should be responsible for the harmonic cutoff extension of O2.

UR - https://www.scopus.com/pages/publications/84885206000

U2 - 10.1103/PhysRevA.88.043401

DO - 10.1103/PhysRevA.88.043401

M3 - 文章

AN - SCOPUS:84885206000

SN - 1050-2947

VL - 88

JO - Physical Review A - Atomic, Molecular, and Optical Physics

JF - Physical Review A - Atomic, Molecular, and Optical Physics

IS - 4

M1 - 043401

ER -

Influence of ionization suppression on high-harmonic generation in molecules: Dependence of cutoff energy on driver wavelength

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