High-order harmonic generation in polyatomic systems

Noslen Suárez; Alexis Chacón; Jose A. Pérez-Hernández; Jens Biegert; Maciej Lewenstein; Marcelo F. Ciappina

doi:10.1088/1742-6596/875/4/032014

High-order harmonic generation in polyatomic systems

Noslen Suárez, Alexis Chacón, Jose A. Pérez-Hernández, Jens Biegert, Maciej Lewenstein, Marcelo F. Ciappina

Physics

Research output: Contribution to journal › Conference article › peer-review

Abstract

We present a theoretical approach of high-order harmonic generation (HHG) in polyatomic molecules based on the strong-field approximation (SFA) and within the frame of the single electron approximation. Our model allow us to turn on and off contributions having distinct physical origins or corresponding to different physical mechanisms. Results in di- and triatomic systems are shown. In addition a time-frequency analysis is presented to investigate the relative weight of the different electron trajectories contributing to the HHG spectra.

Original language	English
Article number	032014
Journal	Journal of Physics: Conference Series
Volume	875
Issue number	4
DOIs	https://doi.org/10.1088/1742-6596/875/4/032014
State	Published - 18 Aug 2017
Event	30th International Conference on Photonic, Electronic, and Atomic Collisions, ICPEAC 2017 - Cairns, Australia Duration: 26 Jul 2017 → 1 Aug 2017

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AU - Suárez, Noslen

AU - Chacón, Alexis

AU - Pérez-Hernández, Jose A.

AU - Biegert, Jens

AU - Lewenstein, Maciej

AU - Ciappina, Marcelo F.

PY - 2017/8/18

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N2 - We present a theoretical approach of high-order harmonic generation (HHG) in polyatomic molecules based on the strong-field approximation (SFA) and within the frame of the single electron approximation. Our model allow us to turn on and off contributions having distinct physical origins or corresponding to different physical mechanisms. Results in di- and triatomic systems are shown. In addition a time-frequency analysis is presented to investigate the relative weight of the different electron trajectories contributing to the HHG spectra.

AB - We present a theoretical approach of high-order harmonic generation (HHG) in polyatomic molecules based on the strong-field approximation (SFA) and within the frame of the single electron approximation. Our model allow us to turn on and off contributions having distinct physical origins or corresponding to different physical mechanisms. Results in di- and triatomic systems are shown. In addition a time-frequency analysis is presented to investigate the relative weight of the different electron trajectories contributing to the HHG spectra.

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