Time-dependent population imaging for solid high harmonic generation

Abstract

We propose an intuitive method, called time-dependent population imaging (TDPI), to map the dynamical processes of high harmonic generation (HHG) in solids by solving the time-dependent Schrödinger equation (TDSE). It is shown that the real-time dynamical characteristics of HHG in solids, such as the instantaneous photon energies of emitted harmonics, can be read directly from the energy-resolved population oscillations of electrons in the TDPIs. Meanwhile, the short and long trajectories of solid HHG are illustrated clearly from TDPI. By using the TDPI, we also investigate the effects of carrier-envelope phase (CEP) in few-cycle pulses and intuitively demonstrate the HHG dynamics driven by two-color fields. Our results show that the TDPI provides a powerful tool to study the ultrafast dynamics in strong fields for various laser-solid configurations and gain an insight into HHG processes in solids.

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Cited by in corpus (16)

• High-harmonic generation in solids with and without topological edge states
• Structure- and laser-gauges for the semiconductor Bloch equations in high-harmonic generation in solids
• High-order harmonic generation in solid slabs beyond the single active electron
• High-order harmonic generation of doped semiconductor
• Finite-system effects on high-harmonic generation: from atoms to solids
• Influence of vacancy defects in solid high-order harmonic generation
• Direct Numerical Observation of Real-Space Recollision in High-Harmonic Generation from Solids
• Enhanced high-harmonic generation from chromium-doped magnesium oxide
• Crystal-momentum-resolved contributions to multiple plateaus of high-order harmonic generation from band-gap materials
• A Gauge Invariant Formulation of Interband and Intraband Currents in Solids
• Insight into High-order Harmonic Generation from Solids: The Contributions of the Bloch Wave-packets Moving on the Group and Phase Velocities
• Tomography of asymmetric molecular orbitals with one-color inhomogeneous field
• Strong-field-driven dynamics and high-harmonic generation in interacting 1D systems
• Orientation-dependent transition rule in high-order harmonic generation from solids
• High-order harmonic generation from 2D periodic potentials in circularly and bichromatic circularly polarized laser fields
• Multiband dynamics of extended harmonic generation in solids under ultraviolet injection