Masatoshi TOKUSHIMA


Fingertip-Size Optical Module, “Optical I/O Core”, and Its Application in FPGA
Takahiro NAKAMURA Kenichiro YASHIKI Kenji MIZUTANI Takaaki NEDACHI Junichi FUJIKATA Masatoshi TOKUSHIMA Jun USHIDA Masataka NOGUCHI Daisuke OKAMOTO Yasuyuki SUZUKI Takanori SHIMIZU Koichi TAKEMURA Akio UKITA Yasuhiro IBUSUKI Mitsuru KURIHARA Keizo KINOSHITA Tsuyoshi HORIKAWA Hiroshi YAMAGUCHI Junichi TSUCHIDA Yasuhiko HAGIHARA Kazuhiko KURATA 
Publication:   
Publication Date: 2019/04/01
Vol. E102-C  No. 4  pp. 333-339
Type of Manuscript:  INVITED PAPER (Special Section on Progress in Optical Device Technology for Increasing Data Transmission Capacity)
Category: 
Keyword: 
silicon photonicsbandwidth densityoptical/electrical assemblyFPGA
 Summary | Full Text:PDF(2.1MB)

25-Gbps/ch Error-Free Operation over 300-m MMF of Low-Power-Consumption Silicon-Photonics-Based Chip-Scale Optical I/O Cores
Kenichiro YASHIKI Toshinori UEMURA Mitsuru KURIHARA Yasuyuki SUZUKI Masatoshi TOKUSHIMA Yasuhiko HAGIHARA Kazuhiko KURATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/02/01
Vol. E99-C  No. 2  pp. 148-156
Type of Manuscript:  INVITED PAPER (Special Section on Recent Advances in Photonics Technologies and Their Applications)
Category: 
Keyword: 
Si photonicslow-power-consumptionsmall footprinthigh density interfaceI/O bottleneck
 Summary | Full Text:PDF(3.6MB)

Ultra-Small Silicon Photonic Wire Waveguide Devices
Tao CHU Hirohito YAMADA Shigeru NAKAMURA Masashige ISHIZAKA Masatoshi TOKUSHIMA Yutaka URINO Satomi ISHIDA Yasuhiko ARAKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/02/01
Vol. E92-C  No. 2  pp. 217-223
Type of Manuscript:  INVITED PAPER (Special Section on Recent Advances in Integrated Photonic Devices)
Category: 
Keyword: 
silicon photonicsphotonic wireoptical devicesoptical waveguide
 Summary | Full Text:PDF(664.7KB)

Low Optical Loss Connection for Photonic Crystal Slab Waveguides
Akiko GOMYO Jun USHIDA Masayuki SHIRANE Masatoshi TOKUSHIMA Hirohito YAMADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/03/01
Vol. E87-C  No. 3  pp. 328-335
Type of Manuscript:  INVITED PAPER (Special Section on Photonic Crystals and Their Device Applications)
Category: 
Keyword: 
photonic crystal slabimmittance of EM Bloch wavesimpedanceadmittancereflectiontransmissiontrapezoidal interface structure
 Summary | Full Text:PDF(1.5MB)

0.21-fJ GaAs DCFL Circuits Using 0.2-µm Y-Shaped Gate AlGaAs/InGaAs E/D-HJFETs
Shigeki WADA Masatoshi TOKUSHIMA Masaoki ISHIKAWA Nobuhide YOSHIDA Masahiro FUJII Tadashi MAEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/03/25
Vol. E82-C  No. 3  pp. 491-497
Type of Manuscript:  Special Section PAPER (Special Issue on Ultra-High-Speed IC and LSI Technology)
Category: Compound Semiconductor Devices
Keyword: 
GaAsheterojunction FETY-shaped gateDCFLlow supply voltage
 Summary | Full Text:PDF(378.8KB)

A 1.3 V Supply Voltage AlGaAs/InGaAs HJFET SCFL D-FF Operating at up to 10 Gbps
Masahiro FUJII Tadashi MAEDA Yasuo OHNO Masatoshi TOKUSHIMA Masaoki ISHIKAWA Muneo FUKAISHI Hikaru HIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/04/25
Vol. E79-C  No. 4  pp. 512-517
Type of Manuscript:  Special Section PAPER (Special Issue on Ultra-High-Speed LSIs)
Category: 
Keyword: 
low powerhigh speedGaAsheterojunction FETSCFLlogic swinglow supply voltageD-FF
 Summary | Full Text:PDF(698.8KB)