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Ab-initio study of high harmonic generation from fullerenes: Multi-orbital effects, correlations, and size dependence
Km Akanksha Dubey, Ofer Neufeld
We study with ab-initio theory high harmonic generation (HHG) from a series of gas-phase fullerenes (from C to C, including isomers) under varying laser conditions (l…
Ultrafast spectroscopy and role of interlayer coupling in high harmonic generation from layered solids
Eyal Uzner, Ofer Neufeld
High harmonic generation (HHG) in solids has recently emerged as a powerful all-optical approach for probing material properties and ultrafast electron dynamics in quantum systems.…
Role of ultrafast electron-optical-phonon interactions in high harmonic generation from graphene
Adam Herling, Ofer Neufeld
High harmonic generation (HHG) is a widely explored process in solids, where intense lasers drive attosecond-to-femtosecond electron dynamics within bands, causing high-energy emis…
Pulse-duration-sensitive high harmonics and attosecond locally-chiral light from a chiral topological Weyl semimetal
Alba de las Heras, Ofer Neufeld, Angel Rubio
High harmonic generation (HHG) in solids results from an interplay between intraband acceleration and electron-hole recombination driven by a high-intensity laser pulse. Here, we t…
Two-color harmonic spectroscopy of ultrafast Dirac electron dynamics
Zhaopin Chen, Camilo Granados, Eyal Uzner +5
High-harmonic generation (HHG), the hallmark effect of attosecond science, is a nonperturbative nonlinear process leading to the emission of high-harmonic light from gases and soli…
In-plane optically tunable magnetic states in 2D materials via tailored femtosecond laser driving
Shuang Liu, Oren Cohen, Peng Chen +1
It is well established that light can control magnetism in matter, e.g. via the inverse Faraday effect or ultrafast demagnetization. However, such control is typically limited to m…