Enhancing high-order harmonic generation in light molecules by using chirped pulses

M Lara-Astiaso, REF Silva, A Gubaydullin, P Rivière… - Physical Review Letters, 2016 - APS
One of the current challenges in high-harmonic generation is to extend the harmonic cutoff
to increasingly high energies while maintaining or even increasing the efficiency of the high …

Time-resolved high harmonic spectroscopy of dynamical symmetry breaking in bi-circular laser fields: the role of Rydberg states

Á Jiménez-Galán, N Zhavoronkov, M Schloz… - Optics express, 2017 - opg.optica.org
The bi-circular scheme for high harmonic generation, which combines two counter-rotating
circular fields with frequency ratio 2: 1, has recently permitted to generate high harmonics …

High-order-harmonic generation of vibrating and

DA Telnov, J Heslar, SI Chu - Physical Review A, 2017 - APS
We study the isotope effect on high-order-harmonic generation (HHG) of vibrating H 2+ and
D 2+ molecular ions aligned parallel to the polarization of the laser field. The time …

Even harmonic generation in isotropic media of dissociating homonuclear molecules

REF Silva, P Rivière, F Morales, O Smirnova… - Scientific reports, 2016 - nature.com
Isotropic gases irradiated by long pulses of intense IR light can generate very high
harmonics of the incident field. It is generally accepted that, due to the symmetry of the …

High-order-harmonic generation in benzene with linearly and circularly polarized laser pulses

A Wardlow, D Dundas - Physical Review A, 2016 - APS
High-order-harmonic generation in benzene is studied using a mixed quantum-classical
approach in which the electrons are described using time-dependent density-functional …

Odd–even harmonic generation from oriented CO molecules in linearly polarized laser fields and the influence of the dynamic core-electron polarization

NL Phan, CT Le, VH Hoang, VH Le - Physical Chemistry Chemical …, 2019 - pubs.rsc.org
We present a detailed theoretical study of the odd–even harmonics generated from the polar
molecule CO by the method based on numerically solving the time-dependent Schrödinger …

Decoding the minimum-yield position of high-order harmonic generation from with a large internuclear distance

TT Fu, Y Qiao, J Wang, FM Guo, Y Yang - Physical Review A, 2023 - APS
By numerically solving the time-dependent Schrödinger equation, we investigate the
harmonic emission of H 2+ with a large internuclear distance in the midinfrared laser field …

Understanding molecular harmonic emission at relatively long intense laser pulses: Beyond the Born-Oppenheimer approximation

H Ahmadi, M Vafaee, A Maghari - Physical Review A, 2016 - APS
The underlying physics behind the molecular harmonic emission in relatively long sin 2-like
laser pulses is investigated. We numerically solved the full-dimensional electronic time …

Identifying spatially asymmetric high-order harmonic emission in the falling edge of an intense laser pulse

M Vafaee, H Ahmadi, A Maghari - Journal of Physics B: Atomic …, 2016 - iopscience.iop.org
Two different induced effects of a laser falling edge on high-order harmonic generation
(HHG) are resolved by numerically solving the full-dimensional electronic time-dependent …