Automatically-Controlled C-Band Wavelength Conversion with Constant Output Power Based on Four-Wave Mixing in SOA's. - Koji Otsubo; Tomoyuki Akiyama; Haruhiko Kuwatsuka; Nobuaki Hatori; Hiroji Ebe; Mitsuru Sugawara (IEICE Trans. Electron., 2005)

Fast wavelength switching of fully heater-tuned CSG-DR lasers. - Hiroyuki Matsuura; Toshimitsu Kaneko; Ken Tanizawa; Eiichi Banno; Katsumi Uesaka; Haruhiko Kuwatsuka; Shu Namiki; Hajime Shoji (OFC/NFOEC, 2013)

Hardware efficient QAM16 all-optical carrier recovery using a single optically-stabilized injection-locked semiconductor laser. - Aaron Albores-Mejia; Toshimitsu Kaneko; Eiichi Banno; Katsumi Uesaka; Hajime Shoji; Haruhiko Kuwatsuka (ECOC, 2014)

First demonstration of ultra-low-energy hierarchical multi-granular optical path network dynamically controlled through NSI-CS for video related applications. - Junya Kurumida; Kiyo Ishii; Atsuko Takefusa; Yusuke Tanimura; Shigeyuki Yanagimachi; Hitoshi Takeshita; Akio Tajima; Kiyoshi Fukuchi; H. Honma; W. Odashima; Hiroshi Onaka; Ken Tanizawa; et al. (ECOC, 2014)

Optical-comb-line selection from a low-power/low-OSNR comb using a low-coherence semiconductor laser for flexible ultra-dense short range transceivers. - Aaron Albores-Mejia; Toshimitsu Kaneko; Eiichi Banno; Katsumi Uesaka; Hajime Shoji; Haruhiko Kuwatsuka (OFC, 2015)

Power-efficient gray-scale control of silicon thermo-optic phase shifters by pulse width modulation using monolithically integrated MOSFET. - Guangwei Cong; Takashi Matsukawa; Keijiro Suzuki; Ken Tanizawa; Sang-Hun Kim; Tadashi Chiba; Hirofumi Tadokoro; Masashi Yanagihara; Morifumi Ohno; Haruhiko Kuwatsuka; Yasushi Igarashi; Meishoku Masahara; et al. (OFC, 2015)

Dynamic parametric dispersion compensation using FPGA pump controller and dispersion monitor. - Ken Tanizawa; Hiroyuki Matsuura; Kensuke Ogawa; Toshimitsu Kaneko; Eiichi Banno; Katsumi Uesaka; Shigehiro Takasaka; Hidenori Iwai; Kazuya Ota; Haruhiko Kuwatsuka; Yoichi Oikawa; Takeshi Yagi; et al. (OFC, 2015)

Fast Optical Circuit Switch for Intra-Datacenter Networking. - Koh Ueda; Yojiro Mori; Hiroshi Hasegawa; Hiroyuki Matsuura; Kiyo Ishii; Haruhiko Kuwatsuka; Shu Namiki; Toshio Watanabe; Ken-ichi Sato (IEICE Trans. Commun., 2017)

Thermal Analysis of Reflow Process for PIC-Embedded Package Substrate with 2.3D RDL Interposer for Co-Packaged Optics. - Akihiro Noriki; Hirotaka Uemura; Haruhiko Kuwatsuka; Naoki Matsui; Reona Motoji; Dan Maeda; Tomoya Sugita; Fumi Nakamura; Takeru Amano (3DIC, 2024)