ArticleNature communications2022
Gate-tunable quantum pathways of high harmonic generation in graphene.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 32 citations in OpenAlex.
- Role of Ultrafast Electron-Thermal-Phonon Interactions in High Harmonic Generation and Dephasing from Graphene.The journal of physical chemistry letters · 2026Article
- Two-color harmonic spectroscopy of ultrafast Dirac electron dynamics.Nature communications · 2026Article
- Superradiance and Broadband Emission Driving Fast Electron Dephasing in Open Quantum Systems.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Mid-infrared to ultraviolet efficient multiphoton frequency upconversion in NbOINature communications · 2026Article
- Toward ultimate-efficiency frequency conversion in nonlinear optical microresonators.Science advances · 2025Article
- Exploring the frontier: nonlinear optics in low dimensional materials.Nanophotonics (Berlin, Germany) · 2025Review
- Strategies to enhance THz harmonic generation combining multilayered, gated, and metamaterial-based architectures.Light, science & applications · 2025Article
- Programmable nonlinear optical neuromorphic computing with bare 2D material MoSNature communications · 2024Article
Corrections and comments
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Authors and funding
17 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Under strong laser fields, electrons in solids radiate high-harmonic fields by travelling through quantum pathways in Bloch bands in the sub-laser-cycle timescales. Understanding these pathways in the momentum space through the high-harmonic radiation can enable an all-optical ultrafast probe to observe coherent lightwave-driven processes and measure electronic structures as recently demonstrated for semiconductors. However, such demonstration has been largely limited for semimetals because the absence of the bandgap hinders an experimental characterization of the exact pathways. In this study, by combining electrostatic control of chemical potentials with HHG measurement, we resolve quantum pathways of massless Dirac fermions in graphene under strong laser fields. Electrical modulation of HHG reveals quantum interference between the multi-photon interband excitation channels. As the light-matter interaction deviates beyond the perturbative regime, elliptically polarized laser fields efficiently drive massless Dirac fermions via an intricate coupling between the interband and intraband transitions, which is corroborated by our theoretical calculations. Our findings pave the way for strong-laser-field tomography of Dirac electrons in various quantum semimetals and their ultrafast electronics with a gate control.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.