Solid-State High-Order Harmonic Generation: Emerging Frontiers in Ultrafast and Quantum Light Science
- URL: http://arxiv.org/abs/2510.15207v1
- Date: Fri, 17 Oct 2025 00:23:47 GMT
- Title: Solid-State High-Order Harmonic Generation: Emerging Frontiers in Ultrafast and Quantum Light Science
- Authors: Marcelo F. Ciappina,
- Abstract summary: High-order harmonic generation (HHG) in solids has emerged as a versatile platform for exploring ultrafast and quantum-coherent phenomena in condensed matter.<n>Recent advances reveal Berry-phase and topological effects in harmonic emission, strong-field control of excitons and lattice motion.<n>The emergence of orbital-angular-momentum transfer in solid-state high-harmonic generation paves the way toward quantum-engineered attosecond sources and coherent control of light-matter interactions in solids.
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- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: High-order harmonic generation (HHG) in solids has emerged as a versatile platform for exploring ultrafast and quantum-coherent phenomena in condensed matter. Recent advances reveal Berry-phase and topological effects in harmonic emission, strong-field control of excitons and lattice motion, the generation of nonclassical light states driven by quantum and squeezed fields, and the emergence of orbital-angular-momentum transfer in solid-state high-harmonic generation. Nanostructured and hybrid plasmonic-semiconductor platforms enable enhanced and spectrally tunable HHG, while interferometric and cryogenic setups allow attosecond-resolved phase measurements. On the theoretical side, multiband and topological models incorporating dephasing, propagation, and electron-hole coherence effects have deepened our understanding of the interplay between interband and intraband dynamics. These developments establish solid-state HHG as a bridge between ultrafast spectroscopy, quantum optics, and material science, paving the way toward quantum-engineered attosecond sources and coherent control of light-matter interactions in solids.
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