@article{weko_9739_1, author = "IGUCHI,Akito and TSUJI,Yasuhide and YASUI,Takashi and HIRAYAMA,Koichi", title = "Topology optimal design for optical waveguides using time domain beam propagation method", journal = "IEICE Electronics Express", year = "2018", volume = "15", number = "11", pages = "20180417--20180417", month = "jun" }