Masaaki SUDO


Synthesis of 16 Quadrature Amplitude Modulation Using Polarization-Multiplexing QPSK Modulator
Isao MOROHASHI Takahide SAKAMOTO Masaaki SUDO Atsushi KANNO Akito CHIBA Junichiro ICHIKAWA Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/07/01
Vol. E94-B  No. 7  pp. 1809-1814
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
modulation format electro-optic vector digital-to-analog converterquadrature amplitude modulationquad-parallel Mach-Zehnder modulatorpolarization multiplexing
 Summary | Full Text:PDF(987.5KB)

90 Gbaud NRZ-DP-DQPSK Modulation with Full-ETDM Technique Using High-Speed Optical IQ Modulator
Atsushi KANNO Takahide SAKAMOTO Akito CHIBA Masaaki SUDO Kaoru HIGUMA Junichiro ICHIKAWA Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/07/01
Vol. E94-C  No. 7  pp. 1179-1186
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
Ti:LiNbO3 optical modulatoroptical IQ modulatorquadrature phase shift keyingelectrically time-division multiplexing
 Summary | Full Text:PDF(1.7MB)

A Novel Chirped Fiber Bragg Grating Utilizing Thermal Diffusion of Core Dopant
Satoshi OKUDE Tetsuya SAKAI Masaaki SUDOH Akira WADA Ryozo YAMAUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/04/25
Vol. E80-B  No. 4  pp. 551-556
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Fibers and Their Applications)
Category: 
Keyword: 
photo-refractive index changefiber gratingoptical filterthermal diffusion
 Summary | Full Text:PDF(537.3KB)