IEICE Trans

Koichi HIRAYAMA

FOREWORD Koichi HIRAYAMA Hiroyuki DEGUCHI
Publication: Publication Date: 2022/04/01 Vol. E105-C No. 4 pp. 126-127 Type of Manuscript: FOREWORD Category: Keyword:
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Single-Mode Condition of Chalcogenide Glass Channel Waveguides for Integrated Optical Devices Operated across the Astronomical N-Band Takashi YASUI Jun-ichiro SUGISAKA Koichi HIRAYAMA
Publication: Publication Date: 2021/08/01 Vol. E104-C No. 8 pp. 386-389 Type of Manuscript: BRIEF PAPER Category: Optoelectronics Keyword: optical waveguides, mid-infrared spectral range, chalcogenide glass, astrophotonics, finite-element method,
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FOREWORD Koichi HIRAYAMA Hiroyuki DEGUCHI
Publication: Publication Date: 2021/04/01 Vol. E104-C No. 4 pp. 132-133 Type of Manuscript: FOREWORD Category: Keyword:
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Reconstruction of Scatterer Shape from Relative Intensity of Scattered Field by Using Linearized Boundary Element Method Jun-ichiro SUGISAKA Takashi YASUI Koichi HIRAYAMA
Publication: Publication Date: 2020/02/01 Vol. E103-C No. 2 pp. 30-38 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: inverse scattering problem, boundary-integral equation, boundary element method, scattering theory,
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FOREWORD Akira HIROSE Koichi HIRAYAMA
Publication: Publication Date: 2020/01/01 Vol. E103-C No. 1 pp. 1-2 Type of Manuscript: FOREWORD Category: Keyword:
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Design of Compact Long-Wavelength-Pass Filter in Metal-Dielectric-Metal Plasmonic Waveguide with Stubs Using Transmission Line Model Koichi HIRAYAMA Jun-ichiro SUGISAKA Takashi YASUI
Publication: Publication Date: 2020/01/01 Vol. E103-C No. 1 pp. 11-15 Type of Manuscript: BRIEF PAPER Category: Keyword: metal-dielectric-metal waveguide, long-wavelength-pass filter, low-pass prototype filter, transmission line model,
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FOREWORD Akira HIROSE Koichi HIRAYAMA
Publication: Publication Date: 2019/01/01 Vol. E102-C No. 1 pp. 1-2 Type of Manuscript: FOREWORD Category: Keyword:
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Efficient Analysis of Diffraction Grating with 10000 Random Grooves by Difference-Field Boundary Element Method Jun-ichiro SUGISAKA Takashi YASUI Koichi HIRAYAMA
Publication: Publication Date: 2017/01/01 Vol. E100-C No. 1 pp. 27-36 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Keyword: diffraction grating, random structure, numerical method, integral equation, boundary element method,
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Efficient Scattering Analysis of Arbitrarily Shaped Local Defect in Diffraction Grating Jun-ichiro SUGISAKA Takashi YASUI Koichi HIRAYAMA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/01/01 Vol. E99-C No. 1 pp. 76-80 Type of Manuscript: BRIEF PAPER Category: Keyword: diffraction grating, boundary-element method, defect, scattering, numerical analysis,
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A Study on Optimization of Waveguide Dispersion Property Using Function Expansion Based Topology Optimization Method Hiroyuki GOTO Yasuhide TSUJI Takashi YASUI Koichi HIRAYAMA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/07/01 Vol. E97-C No. 7 pp. 670-676 Type of Manuscript: Special Section PAPER (Special Section on Recent Advances in Simulation Techniques and Their Applications for Electronics) Category: Keyword: function expansion method, topology optimization, photonic crystal waveguide, slow-light, structural filter,
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Design Optimization of H-Plane Waveguide Component by Level Set Method Koichi HIRAYAMA Yasuhide TSUJI Shintaro YAMASAKI Shinji NISHIWAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/05/01 Vol. E94-C No. 5 pp. 874-881 Type of Manuscript: PAPER Category: Electromagnetic Theory Keyword: design optimization, level set method, adjoint variable method, finite element method, H-plane waveguide component,
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Application of Topology Optimization to H-Plane Waveguide Component Koichi HIRAYAMA Yasuhide TSUJI Tsuyoshi NOMURA Kazuo SATO Shinji NISHIWAKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/02/01 Vol. E90-C No. 2 pp. 282-287 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application) Category: Numerical Techniques, Computational Electromagnetic Keyword: topology optimization, adjoint variable method, finite element method, H-plane waveguide component,
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FEM-Based Electromagnetic Wave Simulator Running on Some Platforms by Use of Java and a Commercial Tool Koichi HIRAYAMA Naoto KUNIEDA Yoshio HAYASHI Masanori KOSHIBA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/11/01 Vol. E86-C No. 11 pp. 2191-2198 Type of Manuscript: Special Section PAPER (Special Issue on Analytical and Simulation Methods for Electromagnetic Wave Problems) Category: Keyword: electromagnetic wave simulator, FEM, Java, anisotropic PML, waveguide discontinuity, inverse problem,
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Microwave Simulator Based on the Finite-Element Method by Use of Commercial Tools Koichi HIRAYAMA Yoshio HAYASHI Masanori KOSHIBA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2001/07/01 Vol. E84-C No. 7 pp. 905-913 Type of Manuscript: Special Section PAPER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--) Category: Electromagnetics Simulation Techniques Keyword: microwave simulator, FEM, 3-D analysis, waveguide discontinuity, eigenmode,
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