ArticleNature communications2023
Strong second-harmonic generation by sublattice polarization in non-uniformly strained monolayer graphene.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
What it found
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The trial behind it
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Who cites it
10 citing papers in PubMed.
- Broadband and Enhanced Second-Harmonic Generation in Metallic 3R-TaSSmall (Weinheim an der Bergstrasse, Germany) · 2026Article
- Reconfigurable second-harmonic generation via plasmonic nanoslits counteracting strain-induced suppression in monolayer MoSScience advances · 2026Article
- Deterministic formation of carbon-functionalized quantum emitters in hexagonal boron nitride.Nature communications · 2025Article
- Localized Spin Textures Stabilized by Geometry-Induced Strain in 2D Magnet FeAdvanced materials (Deerfield Beach, Fla.) · 2025Article
- Assessment of aqueous graphene as a cancer therapeutics delivery system.Scientific reports · 2025Article
- Exploring the frontier: nonlinear optics in low dimensional materials.Nanophotonics (Berlin, Germany) · 2025Review
- Recent Progress in Two-Dimensional Magnetic Materials.Nanomaterials (Basel, Switzerland) · 2024Review
- Intense second-harmonic generation in two-dimensional PtSeNanophotonics (Berlin, Germany) · 2024Article
- Optical Second Harmonic Generation of Low-Dimensional Semiconductor Materials.Nanomaterials (Basel, Switzerland) · 2024Review
- Proton and molecular permeation through the basal plane of monolayer graphene oxide.Nature communications · 2023Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Despite the potential of graphene for building a variety of quantum photonic devices, its centrosymmetric nature forbids the observation of second harmonic generation (SHG) for developing second-order nonlinear devices. To activate SHG in graphene, extensive research efforts have been directed towards disrupting graphene's inversion symmetry using external stimuli like electric fields. However, these methods fail to engineer graphene's lattice symmetry, which is the root cause of the forbidden SHG. Here, we harness strain engineering to directly manipulate graphene's lattice arrangement and induce sublattice polarization to activate SHG. Surprisingly, the SHG signal is boosted 50-fold at low temperatures, which can be explained by resonant transitions between strain-induced pseudo-Landau levels. The second-order susceptibility of strained graphene is found to be larger than that of hexagonal boron nitride with intrinsic broken inversion symmetry. Our demonstration of strong SHG in strained graphene offers promising possibilities for developing high-efficiency nonlinear devices for integrated quantum circuits.
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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.