Ultra-short isolated attosecond emission in mid-infrared inhomogeneous fields without CEP stabilization

J Luo, Y Li, Z Wang, Q Zhang, P Lu - Journal of Physics B: Atomic …, 2013 - iopscience.iop.org
We theoretically investigate high-order harmonic generation in a spatially inhomogeneous
field with mid-infrared driving wavelength and few-cycle duration. It is found that this …

Half-cycle waveform control for producing a broad and intense harmonic spectral continuum and an isolated attosecond pulse

L Feng, J Mccain, Y Qiao - Laser Physics, 2021 - iopscience.iop.org
An effective method to control the half-cycle harmonic emission process through the
combination of multiple laser beams is proposed. The control process can be separated into …

Artificial neural network trained to predict high-harmonic flux

AMM Gherman, K Kovács, MV Cristea, V Toșa - Applied Sciences, 2018 - mdpi.com
Featured Application We present a method based on artificial neural networks—as an
efficient procedure—aimed to predict the outcome of high-order harmonic generation …

High-efficiency single attosecond pulse generation with a long-wavelength pulse assisted by a weak near-infrared pulse

K Kovács, V Toşa, B Major, E Balogh… - IEEE Journal of …, 2015 - ieeexplore.ieee.org
We model two-color high-order harmonic generation using a full 3-D nonadiabatic model
and show that the presence of a weak perturbative near infrared pulse assisting a strong …

Influence of large permanent dipoles on molecular orbital tomography

X Zhu, M Qin, Q Zhang, Y Li, Z Xu, P Lu - Optics Express, 2013 - opg.optica.org
The influence of large permanent dipoles on molecular orbital tomography via high-order
harmonic generation (HHG) is investigated in this work. It is found that, owing to the …

Waveform control in high-order harmonic generation via chirp gating technology

H Liu, LQ Feng, H Liu - Optics Communications, 2019 - Elsevier
Laser waveform control in high-order harmonic generation (HHG) has been investigated
and discussed by using the two-color chirp gating technology. It is found that the multiple …

Quantum path control and isolated attosecond pulse generation in the combination of near-infrared and terahertz pulses

HY Zhong, J Guo, HD Zhang, H Du, XS Liu - Chinese Physics B, 2015 - iopscience.iop.org
We present an efficient and realizable scheme for the generation of an ultrashort single
attosecond (as) pulse from H atom with a 800-nm fundamental laser field combined with a …

Broadband isolated attosecond pulse with high spatiotemporal quality in pre-excited medium by multi-cycle two-color fields

J Luo, W Hong, Q Zhang, Y Li, P Lu - Optics Express, 2012 - opg.optica.org
We propose a scheme that combines multi-cycle two-color pump pulses and pre-excited
medium to simultaneously control the ionization and acceleration steps of electron wave …

Waveform control in selective enhancement of single-order harmonic

H Liu, L Feng - Laser Physics, 2019 - iopscience.iop.org
We theoretically propose an effective scheme to selectively enhance a single-order
harmonic in the spectral continuum via the laser waveform control of a two-color chirped …

Isolated sub-30-attosecond pulse generation using a multicycle two-color chirped laser and a static electric field

GT Zhang - Chinese Physics B, 2014 - iopscience.iop.org
We present a theoretical investigation of high-order harmonic generation in a chirped two-
color laser field, which is synthesized by a 10-fs/800-nm fundamental chirped pulse and a …