Recent trends in high-order harmonic generation in solids

J Park, A Subramani, S Kim, MF Ciappina - Advances in Physics: X, 2022 - Taylor & Francis
High-order harmonic generation in solids, the nonlinear up-conversion of coherent radiation
resulting from the interaction of a strong and short laser pulse with a solid sample, has come …

Smooth periodic gauge satisfying crystal symmetry and periodicity to study high-harmonic generation in solids

S Jiang, C Yu, J Chen, Y Huang, R Lu, CD Lin - Physical Review B, 2020 - APS
Intense lasers can easily drive nonadiabatic transitions of excited electron wave packets
across the Brillouin zones, thus transition dipole moments (TDM) between energy bands of …

Dynamical symmetry and valley-selective circularly polarized high-harmonic generation in monolayer molybdenum disulfide

YL He, J Guo, FY Gao, XS Liu - Physical Review B, 2022 - APS
Circularly polarized high harmonics (CHHs) have been observed in several solid targets
under single-color circularly polarized excitation. However, experimental observations show …

Strain effects on high-harmonic generation in monolayer hexagonal boron nitride

XS Kong, XY Wu, L Geng, WD Yu - Frontiers in Physics, 2022 - frontiersin.org
Based on the time-dependent density functional theory, we theoretically investigate the
influence of mechanical strains on the high-order harmonic generation (HHG) in the …

Effect of stacking configuration on high harmonic generation from bilayer hexagonal boron nitride

T Wu, G Yuan, X Zhang, Z Wang, Z Yi, C Yu, R Lu - Optics Express, 2023 - opg.optica.org
High harmonic generation from bilayer h-BN materials with different stacking configurations
is theoretically investigated by solving the extended multiband semiconductor Bloch …

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 …

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 …

Controlling three-step harmonic emission for intense attosecond pulses using water window harmonic spectra

H Liu, L Feng, Y Qiao, Y Li - Journal of Modern Optics, 2021 - Taylor & Francis
Based on the three-step model of high harmonic generation, we propose a scheme to
improve the harmonic spectra and to produce the intense water window attosecond pulses …

Interband-polarization dominated high harmonic generation from flat-band materials in strong laser fields

F Li, C Qian, X Bo, S Li, T Wu, C Yu, Y Wang, H Wu… - Physical Review B, 2025 - APS
High harmonic generation (HHG) in solids is sensitively dependent on the band dispersions
of crystals, which involves intraband and interband processes in conventional …

Internuclear distance dependent on a single-order harmonic enhancement of hydrogen molecular ion

LQ Feng, Y Qiao, L Li - Spectroscopy Letters, 2021 - Taylor & Francis
Generally, driven by a specific laser waveform, a single-order harmonic from the atomic
harmonic spectrum can be enhanced, caused by the multiple acceleration-recombination …