ArticleScience advances2020
Direct observation of topological edge states in silicon photonic crystals: Spin, dispersion, and chiral routing.
Article in Science advances, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed.
- Trivial-nontrivial programmable topological metasurfaces for sensing and communication.Light, science & applications · 2026Article
- Radiation-Free In-Gap Finite Barrier Bound States in a Lithium Niobate-Based Honeycomb Lattice.Nanophotonics (Berlin, Germany) · 2026Article
- Topological Jackiw-Rebbi states in photonic Van der Waals heterostructures.Light, science & applications · 2026Article
- Exceptional Light Propagation via Generalized Bulk-Edge Correspondence.Nanophotonics (Berlin, Germany) · 2026Article
- Helical metasurfaces based on topological surface states in three-dimensional photonic topological insulators.Nature materials · 2026Article
- Multiple Brillouin zone folding based broadband topological slow light in valley photonic crystals.Fundamental research · 2026Article
- Emergent Berry Curvature in Inversion-Symmetric Photonic Crystals for Ultraconfined Topological States.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Far-field phonon coupling in valley metamaterial circuits.Nature communications · 2025Article
- GHz acousto-optic angular momentum with tunable topological charge.Nature communications · 2025Article
- Efficient coupling of topological photonic crystal waveguides based on transverse spin matching mechanism.Nature communications · 2025Article
- Broadband localization of light at the termination of a topological photonic waveguide.Science advances · 2025Article
- Realization of ZACS nano · 2024Article
- Local control of polarization and geometric phase in thermal metasurfaces.Nature nanotechnology · 2024Article
- Parity-Frequency-Space Elastic Spin Control of Wave Routing in Topological Phononic Circuits.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Photonic topological phase transition induced by material phase transition.Science advances · 2024Article
- Possible gapless helical edge states in hydrogenated graphene.Scientific reports · 2024Article
- Terahertz flexible multiplexing chip enabled by synthetic topological phase transitions.National science review · 2024Article
- Polaritonic states trapped by topological defects.Nature communications · 2024Article
- Pseudo-spin switches and Aharonov-Bohm effect for topological boundary modes.Science advances · 2024Article
- Fourier imaging for nanophotonics.Nanophotonics (Berlin, Germany) · 2024Review
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Authors and funding
4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Topological protection in photonics offers new prospects for guiding and manipulating classical and quantum information. The mechanism of spin-orbit coupling promises the emergence of edge states that are helical, exhibiting unidirectional propagation that is topologically protected against back scattering. We directly observe the topological states of a photonic analog of electronic materials exhibiting the quantum spin Hall effect, living at the interface between two silicon photonic crystals with different topological order. Through the far-field radiation that is inherent to the states' existence, we characterize their properties, including linear dispersion and low loss. We find that the edge state pseudospin is encoded in unique circular far-field polarization and linked to unidirectional propagation, thus revealing a signature of the underlying photonic spin-orbit coupling. We use this connection to selectively excite different edge states with polarized light and directly visualize their routing along sharp chiral waveguide junctions.
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