[CFA8H] Topological Photonics II

[CFA8H-03] Microwave Hinge State in a Three-Dimensional Photonic Crystal Composed of Simple Cubic Lattices

*Yuya Ashida¹, Kenichi Yamashita¹, Tetsuya Ueda¹, Katsunori Wakabayashi², Satoshi Iwamoto^3,4, Shun Takahashi¹ (1. Kyoto Inst. of Tech. (Japan), 2. School of Eng., Kwansei Gakuin Univ. (Japan), 3. Inst. of Indus. Sci., The Univ. of Tokyo (Japan), 4. Res. Center for Advanced Sci. and Tech., The Univ. of Tokyo (Japan))

[Presentation Style] Onsite

We demonstrated a higher-order topological state in a three-dimensional photonic crystal for microwave. Shifting a part of the structure by a half period in two orthogonal directions provided different Zak phases, forming a hinge state.