High-harmonic generation from Bloch electrons in solids

M Wu, S Ghimire, DA Reis, KJ Schafer, MB Gaarde - Physical Review A, 2015 - APS
We study the generation of high-harmonic radiation by Bloch electrons in a model
transparent solid driven by a strong midinfrared laser field. We solve the single-electron time …

Unexpected transition from single to double quantum well potential induced by intense laser fields in a semiconductor quantum well

FMS Lima, MA Amato, OAC Nunes… - Journal of Applied …, 2009 - pubs.aip.org
When an electronic system is irradiated by an intense laser field, the potential “seen” by
electrons is modified, which affects significantly the bound-state energy levels, a feature that …

Photoinduced valley and electron-hole symmetry breaking in lattice: The role of a variable Berry phase

B Dey, TK Ghosh - Physical Review B, 2018 - APS
We consider an α-T 3 lattice illuminated by intense circularly polarized radiation in the
terahertz regime. We present the quasienergy band structure, time-averaged energy …

Optical response of graphene under intense terahertz fields

Y Zhou, MW Wu - Physical Review B—Condensed Matter and Materials …, 2011 - APS
Optical responses of graphene in the presence of intense circularly and linearly polarized
terahertz fields are investigated based on the Floquet theory. We examine the energy …

Monitoring Electron-Photon Dressing in WSe2

U De Giovannini, H Hübener, A Rubio - Nano letters, 2016 - ACS Publications
Optical pum** of solids creates a nonequilibrium electronic structure where electrons and
photons combine to form quasiparticles of dressed electronic states. The resulting shift of …

Selection rule for the optical absorption of graphene nanoribbons

H Hsu, LE Reichl - Physical Review B—Condensed Matter and Materials …, 2007 - APS
We demonstrate that the optical absorption of zigzag-edge graphene nanoribbons is
qualitatively different from that of armchair nanotubes. Unlike the selection rule for …

Linear and nonlinear optical properties in a semiconductor quantum well under intense laser radiation: effects of applied electromagnetic fields

ME Mora-Ramos, CA Duque, E Kasapoglu, H Sari… - Journal of …, 2012 - Elsevier
In this work we are studying the intense laser effects on the electron-related linear and
nonlinear optical properties in GaAs–Ga1− xAlxAs quantum wells under applied electric and …

Floquet theory and computational method for the optical absorption of laser-dressed solids

V Tiwari, B Gu, I Franco - Physical Review B, 2023 - APS
Recent advances in laser technology now enable engineering the electronic structure of
matter through strong light-matter interactions. However, the effective physicochemical …

Floquet engineering of tilted and gapped Dirac bandstructure in 1T-MoS

A Iurov, L Zhemchuzhna, G Gumbs, D Huang… - Scientific Reports, 2022 - nature.com
We have developed a rigorous theoretical formalism for Floquet engineering, investigating,
and subsequently tailoring most crucial electronic properties of 1T′-MoS 2 by applying an …

Intense laser effects on nonlinear optical absorption and optical rectification in single quantum wells under applied electric and magnetic field

CA Duque, E Kasapoglu, S Şakiroglu, H Sari… - Applied Surface …, 2011 - Elsevier
In this work the effects of intense laser on the electron-related nonlinear optical absorption
and nonlinear optical rectification in GaAs–Ga1− xAlxAs quantum wells are studied under …