"Hideaki Yamakawa,Masanori Sadamitsu,Takahiro Sakaguchi,Fumio Koyama","Spatial mode multiplexer/demultiplexer based on tapered hollow waveguide with lateral optical confinement structure","18th Microoptics Conference (MOC’13)",,,"  H9",,,2013,Oct.
"山川英明,貞光雅徳,坂口孝浩,小山二三夫","横方向光閉じ込め構造を用いたテーパ中空導波路型空間モード合分波回路","2013年電子情報通信学会エレクトロニクスソサエティ大会",,,"  C-3-62",,"p. 184",2013,Sept.
"貞光雅徳,ハメドダリル,小山二三夫","テーパ中空導波路を用いたモード多重用合分波器の設計","電子情報通信学会2012年ソサエティ大会",,,,"  C-3-14",,2012,Sept.
"貞光 雅徳,今村 明博,小山 二三夫","空間モードフィルタのための高屈折率差サブ波長回折格子の評価","2012年春季第59回応用物理学関係連合講演会",,,,"  16p-F4-17",,2012,Mar.