IEICE Trans

Masahiro GESHIRO

4-Branch Power Splitters Designed by Ideal Field Method Tetsuro YABU Masahiro GESHIRO Masaharu OHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2009/01/01 Vol. E92-C No. 1 pp. 55-62 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and its Application) Category: Keyword: optical waveguide, four-branch, waveguide design, ideal field method,
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A Dual-Band Comb-Line Filter Using a Half-Wavelength Stripline Nesting a Quarter-Wavelength Coplanar Waveguide Resonator Shoichi KITAZAWA Masahiro GESHIRO Kenta ISHIMARU Masaharu OHASHI Hideaki FUJIMOTO Kouji WADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/09/01 Vol. E90-B No. 9 pp. 2439-2446 Type of Manuscript: Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation) Category: Electromagnetics Keyword: dual band, band pass filter, resonator,
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A Multilayer Single-Input/Single-Output Dual-Band Filter Fabricated in a High Permittivity LTCC Substrate Shoichi KITAZAWA Hideyuki MIYAKE Masahiro GESHIRO Masaharu OHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2006/04/01 Vol. E89-C No. 4 pp. 509-516 Type of Manuscript: Special Section PAPER (Special Section on Advanced RF Technologies for Compact Wireless Equipment and Mobile Phones) Category: Keyword: dual band, band pass filter, matching, LTCC,
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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 coupler, nonlinear waveguide, optical power limiter, finite 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 waveguide, optical logic, finite difference beam propagation method,
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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 waveguide, optical switch, finite 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 capacitor, strip resonator, finite-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 coupler, adiabatic condition, optical power divider, finite difference beam propagation method,
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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 splitter, bifurcating waveguide, uniaxial anisotropy, finite difference beam propagation method,
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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 divider, tapered velocity coupler, LiNbO₃ waveguide, electro-optic effect, finite difference beam propagation method,
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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 limiter, tapered velocity coupler, nonlinear waveguide, finite difference method,
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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 bend, anisotropic, optical waveguide, finite difference method,
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A Novel Optical Polarization Splitter Using a Dimensionally Tapered Velocity Coupler Masashi HOTTA Masahiro GESHIRO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1994/11/25 Vol. E77-C No. 11 pp. 1722-1725 Type of Manuscript: Special Section PAPER (Special Issue on Electromagnetic Theory) Category: Keyword: polarization splitter, tapered velocity coupler, electro-optic effects, LiNbO₃, finite difference method,
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A Variable Optical Beam Splitter Utilizing a Tapered Velocity Coupler Masahiro GESHIRO Masashi HOTTA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1994/11/25 Vol. E77-C No. 11 pp. 1731-1734 Type of Manuscript: Special Section PAPER (Special Issue on Electromagnetic Theory) Category: Keyword: variable optical beam splitter, tapered velocity coupler, electro-optic effect, LiNbO₃, finite difference method,
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Analysis of Abrupt Discontinuities in Weakly Guiding Waveguides by a Modified Beam Propagation Method Masashi HOTTA Masahiro GESHIRO Shinnosuke SAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 1993/12/25 Vol. E76-B No. 12 pp. 1552-1557 Type of Manuscript: Special Section PAPER (Special Issue on 1992 Internatioal Symposium on Antennas and Propagation) Category: Keyword: beam propagation method, reflection, waveguide discontinuity, overlap integral, weakly guiding structure,
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Effects of Air Gaps on Butt-Joints between Isotropic and Anisotropic Planar Waveguides Masashi HOTTA Masahiro GESHIRO Katsuaki KANOH Haruo KANETAKE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1993/08/25 Vol. E76-C No. 8 pp. 1345-1349 Type of Manuscript: PAPER Category: Opto-Electronics Keyword: butt-joint, anisotropic waveguide, air gap, beam propagation method, transmission coefficient,
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Application of Beam Propagation Method to Discontinuities of Weakly Guiding Structures Masashi HOTTA Masahiro GESHIRO Shinnosuke SAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1993/08/25 Vol. E76-C No. 8 pp. 1333-1338 Type of Manuscript: PAPER Category: Opto-Electronics Keyword: beam propagation method, reflected wave, waveguide discontinuity, overlap integral,
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