Nature, Published online: 22 July 2026; doi:10.1038/s41586-026-10817-9
An insulator-free topological waveguide architecture comprising four inequivalent photonic valley half-semimetals arranged in a parallel, cyclic configuration and stacked very close to one another demonstrates robust, multi-lane, unidirectional light transport with 100% spatial efficiency.Insulator-free topological photonic multi-lane highways
Nature, Published online: 22 July 2026; doi:10.1038/s41586-026-10817-9An insulator-free topological waveguide architecture comprising four inequivalent photonic valley half-semimetals arranged in a parallel, cyclic configuration and st…