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Chinese Scientists Develop Four-Channel Topological Photonic Waveguide System, Published in Nature on July 22

2026-07-22 15:13:42

According to research published on July 22 in Nature, a joint team from Southeast University, Nanjing University, and Hong Kong University of Science and Technology developed a new type of topological photonic waveguide system achieving 100% spatial utilization. The system comprises four parallel single-direction channels based on specially designed photonic valley semi-metals, which simultaneously function as both waveguides and topological insulators. The design enables robust unidirectional transmission while maximizing channel density for next-generation high-speed optical communications and on-chip photonic computing applications.

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