00:00Through topological protection, this metamaterial guides light around sharp corners without scattering.
00:07Standard waveguides suffer from backscattering and optical loss whenever beams try navigating sharp 90-degree turns.
00:15MIT researchers engineered a photonic topological metamaterial using precise microscopic crystal lattices.
00:23This artificial structure creates unidirectional edge channels that trap photons and force zero backscattering around corners.
00:32Time reversal symmetry breaking forces unidirectional photons past these severe structural bends smoothly.
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