Masatoyo SUMIDA

Efficiently Accommodation of IP Traffic by Employing WDM-Channel-Count Asymmetric Bi-directional Optical Amplifiers
Masatoyo SUMIDA Tsutomu KUBO Takamasa IMAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/11/01
Vol. E86-B  No. 11  pp. 3174-3181
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission
Keyword: 
IP traffic, bi-directional transmission, WDM transmission, 
 Summary | Full Text:PDF(571KB)
Effectiveness of Receiver-Side Compensation against FBG Dispersion-Induced SNR Degradation in Long-Haul WDM Optical Networks
Hideki MAEDA Masatoyo SUMIDA Tsutomu KUBO Takamasa IMAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2943-2945
Type of Manuscript:  LETTER
Category: Fiber-Optic Transmission
Keyword: 
wavelength division multiplexing (WDM), network, fiber Bragg grating, dispersion, dispersion compensation, 
 Summary | Full Text:PDF(231.7KB)
Practical Gain of Cascaded In-line Semiconductor Laser Amplifiers
Masatoyo SUMIDA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/01/25
Vol. E73-E  No. 1  pp. 31-33
Type of Manuscript:  Special Section PAPER (Special Issue on International Conference on Integrated Optics and Optical Fiber Communication)
Category: Optical Communication Systems and Applications
Keyword: 
 Summary | Full Text:PDF(152.5KB)