ArticleNature communications2025
Coherent manipulation of second-harmonic generation via terahertz-field mediated phonon-polariton in zinc oxide.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Fabrication Process and Light-Trapping Performance Study of Ultrathin Silicon-Based Solar Cells with Embedded ZnO/Au Heterojunction Nanostructures.Nanomaterials (Basel, Switzerland) · 2026Article
- Coherent manipulation of second-harmonic generation via terahertz-field mediated phonon-polariton in zinc oxide.Nature communications · 2025Article
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7 authors.
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Abstract
The coherent control of phonon polaritons (PhPs) in holds transformative potential for nonlinear photonics. We demonstrate terahertz-driven excitation of low-frequency PhPs in zinc oxide (ZnO) crystals, with their nonlinear dynamics resolved via time-resolved second harmonic generation (SHG) spectroscopy. By achieving phase matching via nine sequential reflections within a millimeter-scale crystal, we observe sustained SHG oscillations with 3-4 THz modulation frequencies, achieving optimal extinction ratios of ~18 dB that persist for 90 picoseconds-a temporal span directly governed by polariton propagation dynamics. This work establishes a dual-functionality platform enabling spectral-temporal resolved mapping of quasiparticle interaction dynamics while simultaneously advancing polariton-engineered nonlinear optical modulators through symmetry-broken frequency conversion architectures.
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