Selective enhancement of single-order and two-order harmonics from He atom via two-color and three-color laser fields

Y Li, L Feng, Y Qiao - Chemical Physics, 2019 - Elsevier
An effective method to achieve the selective enhancement of single-order and two-order
harmonics from He atom has been proposed through laser waveform control of two-color …

Improvement of high-order harmonic generation via controlling multiple acceleration–recombination process

Y Li, LQ Feng, Y Qiao - Zeitschrift für Naturforschung A, 2019 - degruyter.com
The multiple acceleration–recombination process in high-order harmonic generation (HHG)
has been investigated and discussed. Generally, the HHG can be explained through the …

Waveform control in generations of intense water window attosecond pulses via multi-color combined field

L Li, M Zheng, RL Feng, Y Qiao - International Journal of Modern …, 2019 - World Scientific
The waveform control in the improvements of high-order harmonic generation (HHG) spectra
and attosecond pulse signals driven by the two-color and three-color combined fields has …

Nano-plasmonic-pump-probe effect on the intensity enhancement of attosecond pulse from hydrogen molecular ion

L Feng, Y Li, AY Feng - Laser Physics Letters, 2018 - iopscience.iop.org
An effective scheme to extend the harmonic cutoff and enhance the harmonic yield from ion
by using nano-plasmonic-pump-probe technology has been proposed. The essence of the …

Improvement of harmonic spectra from superposition of initial state driven by homogeneous and inhomogeneous combined field

Y Li, RL Feng, Y Qiao - Canadian Journal of Physics, 2020 - cdnsciencepub.com
A larger harmonic cutoff with a higher harmonic yield is a necessary requirement for
producing intense ultrashort extreme ultraviolet (XUV) and X-ray sources. In this paper, we …

Pulse duration dependence of harmonic yield of H2+ and its isotopic molecule

C Xu, L Feng, Y Qiao, Y Li - The European Physical Journal D, 2020 - Springer
We investigate the pulse duration dependence of harmonic yield in isotopic molecules of H
2+ and T 2+ driven by different laser intensities. Generally, the harmonic yield can be …

Multiple rescattering processes in high-order harmonic generation from molecular system

CP Zhang, CL **a, XF Jia, XY Miao - Optics Express, 2016 - opg.optica.org
The molecular multiple rescattering processes have been theoretically investigated via
solving the time-dependent Schrödinger equation. Not only has the physical model been …

Attosecond extreme ultraviolet generation in cluster by using spatially inhomogeneous field

L Feng, H Liu - Physics of Plasmas, 2015 - pubs.aip.org
A promising method to generate the attosecond extreme ultraviolet (XUV) sources has been
theoretically investigated emerging from the two-dimensional Ar+ cluster driven by the …

Generation of the ultrabroad bandwidth with keV by three-color low intense mid-infrared inhomogeneous pulse

L Feng, H Liu - Optics & Laser Technology, 2016 - Elsevier
We numerically investigate the high-order harmonic generation and the isolated attosecond
pulse generation from the coherent superposition initial state of He+ ion by using the three …

Attosecond-resolution molecular high-order harmonic emission and isolated attosecond pulse generation from H2+

L Feng, H Liu - Optics Communications, 2017 - Elsevier
Attosecond-resolution molecular high-order harmonic generation (MHHG) and isolated
attosecond pulse generation (IAP) from H 2+ has been theoretically investigated through …