ArticleScience advances2021
Enabling propagation of anisotropic polaritons along forbidden directions via a topological transition.
Article in Science advances, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed.
- Intrinsic plasmon canalization in the biaxial van der Waals crystal MoOClNature nanotechnology · 2026Article
- Anisotropic strong coupling between two propagating polariton modes.Nature communications · 2026Article
- Tailoring Phonon-Driven Responses in α-MoOAdvanced materials (Deerfield Beach, Fla.) · 2026Article
- Long-Range Mid-Infrared Energy Transfer Mediated by Hyperbolic Phonon Polaritons.Nano letters · 2026Article
- Long-Range Polariton Canalization in a Graphene-Nanoribbon-Covered MgTeMoONanophotonics (Berlin, Germany) · 2026Article
- Spatiotemporal visualization of long-range anisotropic plasmon polaritons in hyperbolic MoOClNature communications · 2026Article
- Phonon engineering enables hyperbolic asymptotic line polaritons.Nature nanotechnology · 2026Article
- Fundamental optical phenomena of strongly anisotropic polaritons at the nanoscale.Nature nanotechnology · 2026Review
- Ultimate tuning of hyperbolic phonon polaritons.Science advances · 2025Article
- Mid-infrared chirality and chiral thermal emission from twisted α-MoONature communications · 2025Article
- Polaritonic quantum matter.Nanophotonics (Berlin, Germany) · 2025Review
- Long-propagating ghost phonon polaritons enabled by selective mode excitation.Light, science & applications · 2025Article
- Visualization of topological shear polaritons in gypsum thin films.Science advances · 2025Article
- Canalization-based super-resolution imaging using an individual van der Waals thin layer.Science advances · 2025Article
- Real-Space Visualization of Canalized Ray Polaritons in a Single Van der Waals Thin Slab.Nano letters · 2025Article
- Unidirectional ray polaritons in twisted asymmetric stacks.Nature communications · 2024Article
- Manipulating hyperbolic transient plasmons in a layered semiconductor.Nature communications · 2024Article
- Isotopic effects on in-plane hyperbolic phonon polaritons in MoONanophotonics (Berlin, Germany) · 2024Article
- Interfacing differently oriented biaxial van der Waals crystals for negative refraction.Nanophotonics (Berlin, Germany) · 2023Article
- Tunable optical topological transitions of plasmon polaritons in WTeLight, science & applications · 2023Article
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Polaritons with directional in-plane propagation and ultralow losses in van der Waals (vdW) crystals promise unprecedented manipulation of light at the nanoscale. However, these polaritons present a crucial limitation: their directional propagation is intrinsically determined by the crystal structure of the host material, imposing forbidden directions of propagation. Here, we demonstrate that directional polaritons (in-plane hyperbolic phonon polaritons) in a vdW crystal (α-phase molybdenum trioxide) can be directed along forbidden directions by inducing an optical topological transition, which emerges when the slab is placed on a substrate with a given negative permittivity (4H-silicon carbide). By visualizing the transition in real space, we observe exotic polaritonic states between mutually orthogonal hyperbolic regimes, which unveil the topological origin of the transition: a gap opening in the dispersion. This work provides insights into optical topological transitions in vdW crystals, which introduce a route to direct light at the nanoscale.
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