Poster

[P-34] Microwave Observation of a Second-Order Topological Boundary State in a Three-Dimensional Woodpile Photonic Crystal

*Shun Takahashi¹, Yuya Ashida¹, Huyen Thanh Phan², Kenichi Yamashita¹, Tetsuya Ueda¹, Katsunori Wakabayashi², Satoshi Iwamoto³ (1. Kyoto Institute of Technology, 2. Kwansei Gakuin University, 3. The University of Tokyo)