"今村明博,北林直人,小山二三夫","可変中空光導波路を用いた光回路",,"2008年度電子情報通信学会通信ソサイエティ大会",,,"  C-3-22",,2008,Sept.
"今村明博,北林直人,小山二三夫","多波長面発光レーザアレイと集積可能な小型光合波器の検討",,"第69回応用物理学会学術講演会",,,"  2p-P3-16",,2008,Sept.
"Akihiro Imamura,Naoto Kitabayashi,Fumio Koyama","Beam steering and tilt coupling in tunable hollow waveguide",,"IEICE Electronics Express",,"vol. 5","no. 11","pp. .405-410",2008,June
"Padullaparthi Babu Dayal,Naoto Kitabayashi,Tomoyuki Miyamoto,Fumio Koyama,T. Kawashima,S. Kawakami","Polarization control of 1.15µm vertical-cavity surface-emitting lasers using autocloned photonic crystal polarizer",,"Appl. Phys. Lett.",,"vol. 91",,,2007,July
"Naoto Kitabayashi,Akihiro Imamura,Akihiro Matsutani,Fumio Koyama","Tapered Hollow Waveguide Multiplexer for Multi-wavelength VCSEL array",,"12th Optoelectronics and Communications Conference/16th International Conference on Integrated Optics and Optical Fiber Communication, OECC/IOOC2007",,,"  12D4-2","pp. 410-411",2007,July
"Naoto Kitabayashi,Akihiro Matsutani,Fumio Koyama","Tapered Hollow Waveguide Multiplexer for Multi-wavelength VCSEL array","The 54th Spring Meeting of Japan Society of Applied Physics and Related Societie","The 54th Spring Meeting of Japan Society of Applied Physics and Related Societie",,,"  29a-SG-8",,2007,Mar.
"Naoto Kitabayashi,Akihiro Matsutani,Fumio Koyama","Multi-Wavelength Vertical Cavity Surface Emitting Laser Array and Tapered Coupler On Patterned Substrate",,"International Symposium Contemporary Photonics Technology, CPT 2007",,,"  G-7","pp. 79-80",2007,Jan.
"P. Babu Dayal,Takashi Kawashima,Naoto Kitabayashi,Tomoyuki Miyamoto,Fumio Koyama,S. Kawakami","Polarization control of 1.2µm single-mode VCSELs using photonic crystal polarizer",""20th International Semiconductor Laser Conference, ISLC2006"",,,,,,2006,Sept.