We investigate the effect of phenomenological relaxation parameters on the third-order
optical nonlinearity of doped graphene by perturbatively solving the semiconductor Bloch …

High-harmonic generation (HHG) in solids is an emerging method to probe ultrafast electron
dynamics in solids at attosecond time scale. In this work, we study HHG from monolayer and …

Twisted stacking of van der Waals materials introduces a new way in band-structure
engineering and has given rise to numerous extraordinary physical phenomena. Despite the …

High-order frequency mixing in graphene using a two-color radiation field consisting of the
fundamental and the second harmonic fields of an ultrashort linearly polarized laser pulse is …

We consider the interaction of gapped graphene in the two-band approximation using an
explicit time-dependent approach. In addition to the full high-order harmonic generation …

Although massless Dirac fermions in graphene constitute a centrosymmetric medium for in-
plane excitations, their second-order nonlinear optical response is nonzero if the effects of …

Generation of high harmonics in a monolayer graphene initiated by a strong coherent
radiation field, taking into account electron-electron Coulomb interaction, is investigated. A …

High-order harmonic generation in graphene driven by the elliptically polarized midinfrared
driving pulse is theoretically investigated by solving the two-band semiconductor Bloch …

Using dynamical Hartree-Fock mean-field theory, we study the high harmonic generation
(HHG) in the fullerene molecules C 60 and C 70 under strong pump wave driving. We …

Nonlinear optics is an important and exciting field of fundamental and applied research, with
applications in many different disciplines such as physics chemistry, material science and …