[20a-A101-1~11] 3.10 フォトニック構造・現象（旧3.11）

▲ [20a-A101-11] Transmission via 90-degree Sharp Bends in Square-lattice Photonic-Crystal Waveguides with Glide Symmetry

〇(D)Wei Dai¹、Taiki Yoda²、Yuto Moritake¹、Masaya Notomi^1,2,3 (1.Tokyo Tech、2.NTT BRL、3.NTT NPC)

キーワード：photonic crystal waveguide, glide symmetry

In periodically modified waveguides, glide-symmetry guarantees band degeneracy at the Brillouin zone edge. Here, we demonstrate that in glide-symmetric square-lattice photonic-crystal waveguides, such degeneracy also marks the division between high and low transmission via 90-degree sharp bends.