The dimensionality of materials fundamentally influences their electronic and optical
properties, presenting a complex interplay with nonlinear optical (NLO) characteristics that …

Generation of circularly polarized high harmonics with the same helicity to all orders is
indispensable for chiral-sensitive spectroscopy with attosecond temporal resolution. Solid …

Linearly polarized vector beams are structured lasers whose topology is characterized by a
well-defined Poincaré index, which is a topological invariant during high-order harmonic …

Strain engineering is a versatile method to boost the carrier mobility of two-dimensional
materials-based electronics and optoelectronic devices. In addition, strain is ubiquitous …

The ellipticity of a laser pulse offers a control knob to tune the efficiency and polarization of
emitted higher-order harmonics. In this paper, we systematically investigate the ellipticity …

We employ two-band density-matrix equations and time-dependent density-functional theory
to calculate high-order harmonic generation (HHG) in graphene under femtosecond laser …

Present mass production of large-area single-layer graphene relies fundamentally on
chemical vapor deposition methods. The generation of grain boundaries, which divides the …

A comprehensive theoretical investigation of the process of high-order harmonic generation
induced by intense few-cycle infrared laser pulses in one-dimensional single-wall carbon …

Structured ultrafast laser beams offer unique opportunities to explore the interplay of the
angular momentum of light with matter at the femtosecond scale. Linearly polarized vector …

Several important optical processes occur when an intense laser pulse interacts with matter
[1, 2]. Strong field-driven high-order harmonic generation (HHG) is one such process. HHG …