Mitsuru EKAWA


InP-Based Photodetectors Monolithically Integrated with 90° Hybrid toward Over 400Gb/s Coherent Transmission Systems
Hideki YAGI Takuya OKIMOTO Naoko INOUE Koji EBIHARA Kenji SAKURAI Munetaka KUROKAWA Satoru OKAMOTO Kazuhiko HORINO Tatsuya TAKEUCHI Kouichiro YAMAZAKI Yoshifumi NISHIMOTO Yasuo YAMASAKI Mitsuru EKAWA Masaru TAKECHI Yoshihiro YONEDA 
Publication:   
Publication Date: 2019/04/01
Vol. E102-C  No. 4  pp. 347-356
Type of Manuscript:  INVITED PAPER (Special Section on Progress in Optical Device Technology for Increasing Data Transmission Capacity)
Category: 
Keyword: 
digital coherent transmissionInP90° hybridmultimode interference structurep-i-n photodiode
 Summary | Full Text:PDF

InP-Based Monolithic Integration Technologies for 100/200Gb/s Pluggable Coherent Transceivers
Hideki YAGI Yoshihiro YONEDA Mitsuru EKAWA Hajime SHOJI 
Publication:   
Publication Date: 2017/02/01
Vol. E100-C  No. 2  pp. 179-186
Type of Manuscript:  INVITED PAPER (Special Section on Fabrication Technologies Supporting the Photonic/Nanostructure Devices)
Category: 
Keyword: 
coherent transmissionInPDP-IQ modulator90° hybridp-i-n photodiode
 Summary | Full Text:PDF

Low Noise Figure (6.3 dB) Polarization Insensitive Spot-Size Converter Integrated Semiconductor Optical Amplifier
Ken MORITO Mitsuru EKAWA Takayuki WATANABE Yuji KOTAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/04/01
Vol. E85-C  No. 4  pp. 990-994
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress of Integrated Photonic Devices)
Category: Active Devices
Keyword: 
semiconductor optical amplifier (SOA)spot-size converterspolarization insensitivenoise figure
 Summary | Full Text:PDF