17:00 〜 17:15 [B-2-05] Computational design of high-efficiency grating coupler based on deep learning ○Y. Miyatake1, N. Sekine1, K. Toprasertpong1, S. Takagi1, M. Takenaka1 (1.Univ. of Tokyo (Japan)) https://doi.org/10.7567/SSDM.2019.B-2-05