Akira OKA


Characterization of Silicon Mach-Zehnder Modulator in 20-Gbps NRZ-BPSK Transmission
Kazuhiro GOI Kenji ODA Hiroyuki KUSAKA Akira OKA Yoshihiro TERADA Kensuke OGAWA Tsung-Yang LIOW Xiaoguang TU Guo-Qiang LO Dim-Lee KWONG 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/07/01
Vol. E96-C  No. 7  pp. 974-980
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Integrated Photonic Devices)
Category: 
Keyword: 
silicon modulatorsilicon photonicsphase shift keyingopto-electronic integrated circuit
 Summary | Full Text:PDF(2.8MB)

Reconfigurable Information-Sharing Network System Based on a Cyclic-Frequency AWG and Wavelength-Tunable Lasers
Akira OKADA Hiromasa TANOBE Morito MATSUOKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/06/01
Vol. E88-B  No. 6  pp. 2449-2455
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
information-sharing networkwavelength routingtunable laserreconfigurable networkarrayed-waveguide gratingshared memory
 Summary | Full Text:PDF(1.2MB)

Polarization Insensitive SOA-PLC Hybrid Integrated Michelson Interferometric Wavelength Converter and Its Application to DWDM Networks
Rieko SATO Toshio ITO Katsuaki MAGARI Akira OKADA Manabu OGUMA Yasumasa SUZAKI Yoshihiro KAWAGUCHI Yasuhiro SUZUKI Akira HIMENO Noboru ISHIHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/05/01
Vol. E84-B  No. 5  pp. 1197-1204
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Systems and Technologies
Keyword: 
wavelength conversioncross-phase modulationITU-T gridhybrid integrationpolarization insensitive
 Summary | Full Text:PDF(776.9KB)

Polarization Insensitive SOA-PLC Hybrid Integrated Michelson Interferometric Wavelength Converter and Its Application to DWDM Networks
Rieko SATO Toshio ITO Katsuaki MAGARI Akira OKADA Manabu OGUMA Yasumasa SUZAKI Yoshihiro KAWAGUCHI Yasuhiro SUZUKI Akira HIMENO Noboru ISHIHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/05/01
Vol. E84-C  No. 5  pp. 571-578
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Systems and Technologies
Keyword: 
wavelength conversioncross-phase modulationITU-T gridhybrid integrationpolarization insensitive
 Summary | Full Text:PDF(777.7KB)

Communication System for People with Physical Disability Using Voice Recognizer
Seigou YASUDA Akira OKAMOTO Hiroshi HASEGAWA Yoshito MEKADA Masao KASUGA Kazuo KAMATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/06/25
Vol. E81-A  No. 6  pp. 1097-1104
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from ITC-CSCC'97)
Category: Human Communications and Ergonomics
Keyword: 
disabled peoplemulti-modal interfacevoice recognitionelectronic mail
 Summary | Full Text:PDF(902.9KB)

Non-Stop Service-Enhanceable Communications Software Platform Based on an Object-Oriented Paradigm
Keiichi KOYANAGI Tetsuyasu YAMADA Hiroshi SUNAGA Akira OKAMOTO Michihiro MONDEN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/07/25
Vol. E78-B  No. 7  pp. 1043-1055
Type of Manuscript:  PAPER
Category: Communication Software
Keyword: 
object-orientednon-stop technologyC++switching program
 Summary | Full Text:PDF(1.1MB)

Integration of Color and Range Data for Three-Dimensional Scene Description
Akira OKAMOTO Yoshiaki SHIRAI Minoru ASADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/04/25
Vol. E76-D  No. 4  pp. 501-506
Type of Manuscript:  Special Section PAPER (Special Issue on Image Processing and Understanding)
Category: 
Keyword: 
image understandingrange datasensor fusionscene descriptioncolor imagestereo vision
 Summary | Full Text:PDF(557.4KB)

Group Transit Switching--A New Operational Approach Applicable to Switched Communication Network--
Nobuhiko SHIMASAKI Akira OKADA Takehiko YAMAGUCHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1976/03/25
Vol. E59-E  No. 3  pp. 9-15
Type of Manuscript:  PAPER
Category: Communication Systems
Keyword: 
 Summary | Full Text:PDF(589.3KB)