C. Patil, Xiaoyan Zhou, Morten Herskind, Kasper Ejdal Lund, S. Stobbe
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Transmission Experiments on Photonic-Crystal Waveguides With a Symmetry-Protected Dirac Point
Slow-light photonic-crystal waveguides suffer from Anderson localization and propagation losses due to fabrication imperfections. Here we investigate a novel photonic system exhibiting a symmetry-protected two-dimensional Dirac-point feature and observe a >50-fold group-velocity slowdown.