Toshiaki KITAMURA


FDTD Analysis of a Near-Field Optical Disk with a Ridged-Square Nano-Aperture
Toshiaki KITAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/06/01
Vol. E95-C  No. 6  pp. 1110-1116
Type of Manuscript:  PAPER
Category: Storage Technology
Keyword: 
near-field lightnano-apertureoptical diskscatteringFDTD method
 Summary | Full Text:PDF(1.3MB)

Numerical Analysis of DWDD Disk with Control Layer
Toshiaki KITAMURA Yuya MATSUNAMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/12/01
Vol. E93-C  No. 12  pp. 1713-1716
Type of Manuscript:  BRIEF PAPER
Category: Storage Technology
Keyword: 
DWDDscattering characteristicscontrol layerFDTD methodMO medium
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Analysis of a Near-Field Optical Disk with an Acute-Edged Metallic Nano-Aperture
Toshiaki KITAMURA Shingo IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/09/01
Vol. E93-C  No. 9  pp. 1474-1477
Type of Manuscript:  BRIEF PAPER
Category: Storage Technology
Keyword: 
near-field lightoptical diskreadout characteristicsnano-apertureFDTD method
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A MATLAB-Based Code Generator for Parallel Sparse Matrix Computations Utilizing PSBLAS
Taiji SASAOKA Hideyuki KAWABATA Toshiaki KITAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/01/01
Vol. E90-D  No. 1  pp. 2-12
Type of Manuscript:  Special Section PAPER (Special Section on Parallel/Distributed Processing and Systems)
Category: Parallel Programming
Keyword: 
matrix computationsMATLABprogram translationparallel libraries
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Tapered Velocity Couplers Composed of Nonlinear Waveguides for Limiting Optical Power
Toshiaki KITAMURA Tetsuro YABU Masahiro GESHIRO Shinji HARADA Shinnosuke SAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/04/01
Vol. E84-C  No. 4  pp. 421-426
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
tapered velocity couplernonlinear waveguideoptical power limiterfinite difference method
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Optical Logic OR-AND-NOT and NOR Gates in Waveguides Consisting of Nonlinear Material
Yono Hadi PRAMONO Masahiro GESHIRO Toshiaki KITAMURA Shinnosuke SAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/11/25
Vol. E83-C  No. 11  pp. 1755-1762
Type of Manuscript:  PAPER
Category: Optoelectronics
Keyword: 
nonlinear waveguideoptical logicfinite difference beam propagation method
 Summary | Full Text:PDF(1.2MB)

Self-Switching in Crossing Waveguides with Three Channels Consisting of Nonlinear Material
Yono Hadi PRAMONO Masahiro GESHIRO Toshiaki KITAMURA Shinnosuke SAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/01/25
Vol. E82-C  No. 1  pp. 111-118
Type of Manuscript:  PAPER
Category: Opto-Electronics
Keyword: 
nonlinear waveguideoptical switchfinite difference beam propagation method FD-BPM
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Characterization of Triplate Strip Resonators with a Loading Capacitor
Toshiaki KITAMURA Masahiro GESHIRO Toshio ISHIZAKI Tomoya MAEKAWA Shinnosuke SAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/12/25
Vol. E81-C  No. 12  pp. 1793-1799
Type of Manuscript:  Special Section PAPER (Special Issue on Computational Electromagnetics)
Category: 
Keyword: 
loading capacitorstrip resonatorfinite-difference time-domain method
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A Three-Waveguide Tapered-Velocity Coupler for Dividing Optical Power into Three Equal Parts
Masahiro GESHIRO Toshiaki KITAMURA Koji FUKUMURA Shinnosuke SAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/11/25
Vol. E80-C  No. 11  pp. 1414-1420
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic TheoryScattering and Diffraction)
Category: 
Keyword: 
tapered-velocity coupleradiabatic conditionoptical power dividerfinite difference beam propagation method
 Summary | Full Text:PDF(586KB)

Design Considerations on a Guided-Wave Polarization Splitter Utilizing a Bifurcating Waveguide in a Uniaxial Anisotropic Substrate
Toshiaki KITAMURA Masahiro GESHIRO Shinnosuke SAWA Hideatsu YAMANAKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/10/25
Vol. E79-C  No. 10  pp. 1399-1404
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic Theory-Foundations and Applications)
Category: 
Keyword: 
polarization splitterbifurcating waveguideuniaxial anisotropyfinite difference beam propagation method
 Summary | Full Text:PDF(552.5KB)

A Two-Waveguide Tapered Velocity Coupler for a Variable Divider of Optical Power
Masahiro GESHIRO Toshiaki KITAMURA Tadashi YOSHIKAWA Shinnosuke SAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/04/25
Vol. E79-C  No. 4  pp. 587-592
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
optical power dividertapered velocity couplerLiNbO3 waveguideelectro-optic effectfinite difference beam propagation method
 Summary | Full Text:PDF(542.8KB)

Low Loss Optical Waveguide Bends Consisting of Uniaxial Crystalline Material
Shinnosuke SAWA Toshiaki KITAMURA Masahiro GESHIRO Tadashi YOSHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/10/25
Vol. E78-C  No. 10  pp. 1373-1377
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic Theory)
Category: 
Keyword: 
low loss bendanisotropicoptical waveguidefinite difference method
 Summary | Full Text:PDF(429.4KB)

Analysis of 3-Line Tapered Velocity Couplers with a Nonlinear Waveguide
Toshiaki KITAMURA Masahiro GESHIRO Shinnokuke SAWA Masato SASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/10/25
Vol. E78-C  No. 10  pp. 1378-1382
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic Theory)
Category: 
Keyword: 
power limitertapered velocity couplernonlinear waveguidefinite difference method
 Summary | Full Text:PDF(433.1KB)