"Hideaki Yamakawa,Takahiro Sakaguchi,Moustafa Ahmed,Ahmed Bakry,Fumio Koyama","Spatial-mode multiplexer/demultiplexer based on tapered hollow waveguide with lateral optical confinement",,"Japanese Journal of Applied Physics",,"Vol. 54",,"pp. 120302-1-3",2015,Dec.
"山川英明,坂口孝浩,小山二三夫","中空導波路を用いた垂直放射レーザの検討","電子情報通信学会総合大会",,,"  C-4-15",,,2014,Mar.
"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.
"Hideaki Yamakawa,Takahiro Sakaguchi,Fumio Koyama","Wavelength Tuning of Hollow Waveguide DBR Lasers","2013 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR",,,"  MK2-1",,,2013,July
"山川 英明,坂口 孝浩,小山 二三夫","中空導波路DBR レーザの波長可変特性の検討","電子情報通信学会2013年総合大会",,,"  C-4-4",,"  249",2013,Mar.
"山川英明,坂口孝浩,小山二三夫","中空導波路DBRレーザの単一波長選択性とアサーマル化の検討",,"電子情報通信学会論文誌","一般社団法人 電子情報通信学会","Vol. J96-C","No. 2","pp. 17-23",2013,Feb.
"山川 英明,阿久津 友宏,坂口 孝浩,小山 二三夫","2次元光閉じ込め構造を用いた中空導波路DBR レーザのアサーマル特性及び狭線幅特性の検討","レーザ・量子エレクトロニクス研究会(LQE)","電子情報通信学会信学技報",,"vol. 112","no. 356","pp. 47-50",2012,Dec.
"Hideaki Yamakawa,Tomohiro Akutsu,Takahiro Sakaguchi,Fumio Koyama","Hollow Waveguide DBR Lasers with Novel 2D Optical Confinement Toward Athermal and Narrow Linewidth Operations","23rd IEEE International Semiconductor Laser Conference. ISLC2012",,,"  TuA7",,"pp. 48-49",2012,Oct.
"山川英明,小山二三夫","中空導波路DBR レーザのアサーマル特性および狭線幅特性の改善","電子情報通信学会2012年ソサエティ大会",,,,"  C-4-7",,2012,Sept.
"山川 英明,阿久津 友宏,小山 二三夫","３次元閉じ込め中空導波路DBRレーザ(?)","電子情報通信学会2012年総合大会",,,,"  C-4-11",,2012,Mar.
"阿久津 友宏,山川 英明,小山 二三夫","３次元閉じ込め中空導波路DBRレーザ(?)","電子情報通信学会2012年総合大会",,,,"  C-4-12",,2012,Mar.
"山川 英明,小山 二三夫","３次元閉じ込め中空導波路構造の提案",,"2011年電子情報通信学会エレクトロニクスソサイエティ大会",,,"  C-3-18",,2011,Sept.
"阿久津 友宏,山川 英明,小山 二三夫","狭線幅中空導波路DBR レーザの基礎検討",,"2011年電子情報通信学会エレクトロニクスソサイエティ大会",,,"  C-4-7",,2011,Sept.
"山川 英明,徳永 義久,坂口 孝浩,小山 二三夫","中空導波路DBR レーザの単一波長選択性とアサーマル化の検討",,"電子情報通信学会LQE研究会",,,,,2011,June
"Hideaki Yamakawa,Naomi Tadokoro,Takahiro Sakaguchi,Yoshihisa Tokunaga,Fumio Koyama","Athermal Hollow Waveguide Distributed Bragg Reflector Laser","Conference on Lasers and Electro-Optics, CLEO2011",,,"  CMI6",,,2011,May
"徳永 義久,山川 英明,坂口 孝浩,小山 二三夫","中空導波路集積型DBR レーザのアサーマル化の検討",,"2011年電子情報通信学会総合大会",,,"  C-4-22",,2011,Mar.
"田所 奈緒美,山川 英明,坂口 孝浩,小山 二三夫","中空導波路集積型波長可変レーザの単一波長選択性の検討",,"2011年電子情報通信学会総合大会",,,"  C-4-21",,2011,Mar.
"山川英明,田所奈緒美,徳永義久,小山二三夫","中空導波路集積型DBR レーザのアサーマル動作の基礎検討",,"電子情報通信学会2010年ソサイエティ大会",,,"  C-4-8",,2010,Sept.
"Hideaki Yamakawa,Fumio Koyama","Athermal GaInAsP/InP Semiconductor Laser Using Hollow Waveguide Distributed Bragg Reflector",,"12th Microoptics Conference, MOC",,,"  A-2","pp. 38-39",2006,Sept.
"Hideaki Yamakawa,Fumio Koyama","Hybrid-Integrated Tunable Hollow Waveguide DBR Laser",,"32th European Conference on Optical Communication, ECOC",,,"  We.p.54",,2006,Sept.
"Hideaki Yamakawa,Tomoyuki Serizawa,Yasuki Sakurai,Fumio Koyama","Tunable Laser with Hollow Waveguide Distributed Bragg Reflector",,"OECC 2006",,"  6C2-2-1",,,2006,July
"Yasuki Sakurai,Hideaki Yamakawa,Yasushi Yokota,Akihiro Matsutani,Takahiro Sakaguchi,Fumio Koyama","Hollow Waveguide Distributed Bragg Reflector for Widely Tunable Optical Devices","Optical Fiber Communications Conference 2006","Optical Fiber Communications Conference 2006",,,"  OtuM4",,2006,Mar.