Theoretical exploration of control factors for the high-order harmonic generation (HHG) spectrum in two-color field

Huang, Xinting; Yang, Dapeng; Yao, Li

doi:10.1016/j.saa.2014.03.098

Cited by 1 publication

(1 citation statement)

References 35 publications

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“…One of the attractive methods in the dissociation of molecules is using intense pulse shaped lasers. Interaction of strong laser fields with molecules leads to nonlinear effects, including multiphoton ionization, above-threshold ionization, tunneling and rescattering ionization, Coulomb explosion, charge resonance enhanced ionization, and field assisted dissociation and high harmonic generation [1][2][3][4][5]. Recent progress of control of electron wave packets, probing of nuclear and electronic dynamics, imaging of molecular orbitals with ultra-fast laser pulses have key roles for coherent control of photochemical reactions [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Selective photo-dissociative ionization of methane molecule with TDDFT study

Irani

Anvari

Sadighi‐Bonabi

2017

Spectrochimica Acta Part A: Molecular and Biomolecular Spectros

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Three dimensional calculation of control dynamics for finding the optimized laser filed is formulated using an iterative method and time-dependent density functional approach. An appropriate laser pulse is designed to control the desired products in the dissociation of methane molecule. The tailored laser pulse profile, eigenstate distributions and evolution of the efficient occupation numbers are predicted and exact energy levels of this five-atomic molecule is obtained. Dissociation rates of up to 78%, 80%, 90%, and 82% for CH, CH, C and C are achieved. Based on the present approach one can reduce the controlling costs.

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