Exploration of laser-driven electron-multirescattering dynamics in high-order harmonic generation
Abstract
Multiple rescattering processes play an important role in high-order harmonic generation (HHG) in an intense laser field. However, the underlying multi-rescattering dynamics are still largely unexplored. Here we investigate the dynamical origin of multiple rescattering processes in HHG associated with the odd and even number of returning times of the electron to the parent ion. We perform fully ab initio quantum calculations and extend the empirical mode decomposition method to extract the individual multiple scattering contributions in HHG. We find that the tunneling ionization regime is responsible for the odd number times of rescattering and the corresponding short trajectories are dominant. On the other hand, the multiphoton ionization regime is responsible for the even number times of rescattering and the corresponding long trajectories are dominant. Moreover, we discover that the multiphoton- and tunneling-ionization regimes in multiple rescattering processes occur alternatively. Our results uncover the dynamical origin of multiple rescattering processes in HHG for the first time. As a result, it also provides new insight regarding the control of the multiple rescattering processes for the optimal generation of ultrabroad band supercontinuum spectra and the production of single ultrashort attosecond laser pulse.
- Authors:
-
- Northwest Normal Univ., Lanzhou (China); National Taiwan Univ., Taipei (Taiwan); Univ. of Kansas, Lawrence, KS (United States)
- National Taiwan Univ., Taipei (Taiwan)
- Univ. of Kansas, Lawrence, KS (United States)
- Northwest Normal Univ., Lanzhou (China)
- National Taiwan Univ., Taipei (Taiwan); Univ. of Kansas, Lawrence, KS (United States)
- Publication Date:
- Research Org.:
- University of Kansas, Lawrence, KS (United States). Dept. of Chemistry
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1378370
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scientific Reports
- Additional Journal Information:
- Journal Volume: 6; Journal Issue: 1; Journal ID: ISSN 2045-2322
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 74 ATOMIC AND MOLECULAR PHYSICS; Atomic and molecular interactions with photons; High-harmonic generation
Citation Formats
Li, Peng -Cheng, Sheu, Yae -Lin, Jooya, Hossein Z., Zhou, Xiao -Xin, and Chu, Shih -I. Exploration of laser-driven electron-multirescattering dynamics in high-order harmonic generation. United States: N. p., 2016.
Web. doi:10.1038/srep32763.
Li, Peng -Cheng, Sheu, Yae -Lin, Jooya, Hossein Z., Zhou, Xiao -Xin, & Chu, Shih -I. Exploration of laser-driven electron-multirescattering dynamics in high-order harmonic generation. United States. https://doi.org/10.1038/srep32763
Li, Peng -Cheng, Sheu, Yae -Lin, Jooya, Hossein Z., Zhou, Xiao -Xin, and Chu, Shih -I. Tue .
"Exploration of laser-driven electron-multirescattering dynamics in high-order harmonic generation". United States. https://doi.org/10.1038/srep32763. https://www.osti.gov/servlets/purl/1378370.
@article{osti_1378370,
title = {Exploration of laser-driven electron-multirescattering dynamics in high-order harmonic generation},
author = {Li, Peng -Cheng and Sheu, Yae -Lin and Jooya, Hossein Z. and Zhou, Xiao -Xin and Chu, Shih -I},
abstractNote = {Multiple rescattering processes play an important role in high-order harmonic generation (HHG) in an intense laser field. However, the underlying multi-rescattering dynamics are still largely unexplored. Here we investigate the dynamical origin of multiple rescattering processes in HHG associated with the odd and even number of returning times of the electron to the parent ion. We perform fully ab initio quantum calculations and extend the empirical mode decomposition method to extract the individual multiple scattering contributions in HHG. We find that the tunneling ionization regime is responsible for the odd number times of rescattering and the corresponding short trajectories are dominant. On the other hand, the multiphoton ionization regime is responsible for the even number times of rescattering and the corresponding long trajectories are dominant. Moreover, we discover that the multiphoton- and tunneling-ionization regimes in multiple rescattering processes occur alternatively. Our results uncover the dynamical origin of multiple rescattering processes in HHG for the first time. As a result, it also provides new insight regarding the control of the multiple rescattering processes for the optimal generation of ultrabroad band supercontinuum spectra and the production of single ultrashort attosecond laser pulse.},
doi = {10.1038/srep32763},
journal = {Scientific Reports},
number = 1,
volume = 6,
place = {United States},
year = {Tue Sep 06 00:00:00 EDT 2016},
month = {Tue Sep 06 00:00:00 EDT 2016}
}
Web of Science
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Works referencing / citing this record:
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