Masanori KOSHIBA


Optical Waveguide Theory by the Finite Element Method
Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/07/01
Vol. E97-C  No. 7  pp. 625-635
Type of Manuscript:  INVITED PAPER (Special Section on Recent Advances in Simulation Techniques and Their Applications for Electronics)
Category: 
Keyword: 
finite element methodbeam propagation methodspurious solutionsfiber opticsnanophotonics
 Summary | Full Text:PDF(18.6MB)

An Investigation on Crosstalk in Multi-Core Fibers by Introducing Random Fluctuation along Longitudinal Direction
Katsuhiro TAKENAGA Yoko ARAKAWA Shoji TANIGAWA Ning GUAN Shoichiro MATSUO Kunimasa SAITOH Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/02/01
Vol. E94-B  No. 2  pp. 409-416
Type of Manuscript:  Special Section PAPER (Special Section on Extremely Advanced Optical Transmission Technologies and Transmission Optical Fiber Technologies towards Exabit Era)
Category: 
Keyword: 
multi-core fibercrosstalkcoupled-mode theorycoupled-power theory
 Summary | Full Text:PDF(1.2MB)

Fundamental Characteristics of Localized Acoustic Modes in Photonic Crystal Fibers
Ikumi ENOMORI Kunimasa SAITOH Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/05/01
Vol. E88-C  No. 5  pp. 876-882
Type of Manuscript:  Special Section PAPER (Joint Special Section on Recent Progress in Optoelectronics and Communications)
Category: Optical Fibers, Cables and Fiber Devices
Keyword: 
photonic crystal fiberphotonic band-gapacoustic waveacoustic band-gapacousto-optic effect
 Summary | Full Text:PDF(523.1KB)

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 simulatorFEMJavaanisotropic PMLwaveguide discontinuityinverse problem
 Summary | Full Text:PDF(1.3MB)

FOREWORD
Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/11/01
Vol. E86-C  No. 11  pp. 2157-2157
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(47.3KB)

Full-Vector Analysis of Photonic Crystal Fibers Using the Finite Element Method
Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/04/01
Vol. E85-C  No. 4  pp. 881-888
Type of Manuscript:  INVITED PAPER (Special Issue on Optical Fibers and Devices)
Category: 
Keyword: 
optical fiberphotonic crystalholey fiberfinite element methodnumerical analysis
 Summary | Full Text:PDF(979.2KB)

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 simulatorFEM3-D analysiswaveguide discontinuityeigenmode
 Summary | Full Text:PDF(1.2MB)

Three-Dimensional Beam Propagation Analysis of Quasi-Phase Matched Second Harmonic Generation Devices with Triangular and Semi-Circular Domain Inversion Profiles
Takashi YASUI Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/05/25
Vol. E83-C  No. 5  pp. 697-704
Type of Manuscript:  INVITED PAPER (Special Issue on Recent Developments in Guided-Wave Problems)
Category: 
Keyword: 
finite element methodbeam propagation methodnonlinear waveguidesecond harmonic generationquasi-phase matching
 Summary | Full Text:PDF(1013.4KB)

FOREWORD
Masanori KOSHIBA Hiroyoshi IKUNO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/12/25
Vol. E81-C  No. 12  pp. 1771-1772
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(143.7KB)

Simple and Efficient Adaptive Mesh Generation for Approximate Scalar Guided-Mode and Beam-Propagation Solutions
Yasuhide TSUJI Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/12/25
Vol. E81-C  No. 12  pp. 1814-1820
Type of Manuscript:  Special Section PAPER (Special Issue on Computational Electromagnetics)
Category: 
Keyword: 
finite element methodbeam propagation methodadaptive mesh generationoptical waveguide
 Summary | Full Text:PDF(575.9KB)

3-Dimensional Beam Propagation Analysis of Nonlinear Optical Fibers
Akira NIIYAMA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/04/25
Vol. E80-B  No. 4  pp. 522-527
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Fibers and Their Applications)
Category: 
Keyword: 
nonlinear optical fiberbeam propagation methodspatial soliton
 Summary | Full Text:PDF(431.2KB)

Enhanced Two-Level Optical Resonance in Spherical Microcavities
Kazuya HAYATA Tsutomu KOSHIDA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/04/25
Vol. E78-C  No. 4  pp. 454-461
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
self-induced transparencymorphology dependent resonanceMie-sized microsphereoptical microcavitytwo-level systemoptical feedback
 Summary | Full Text:PDF(551.3KB)

Stable Light-Bullet Formation in a Kerr Medium: A Route to Multidimensional Solitons in the Femtosecond Regime
Kazuya HAYATA Hiroyuki HIGAKI Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/01/25
Vol. E78-C  No. 1  pp. 38-42
Type of Manuscript:  Special Section PAPER (Special Issue on Ultrafast Optoelectronics)
Category: 
Keyword: 
light bulletmultidimensional solitonfemtosecond optoelectronicsquantum field theoryhigher-order nonlinear Schrödinger equation
 Summary | Full Text:PDF(331.9KB)

Time-Resolved Nonstationary-Field Dynamics in Nonlinear Optical Channel Waveguides: Numerical Evidence for Intrapulse Switching and Space-Time Spontaneous Symmetry-Breaking Instabilities
Kazuya HAYATA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/11/25
Vol. E77-C  No. 11  pp. 1828-1832
Type of Manuscript:  Special Section LETTER (Special Issue on Electromagnetic Theory)
Category: 
Keyword: 
space-time spontaneous symmetry breakingtime-resolved characteristicintrapulse optical switchingnonlinear guided wave
 Summary | Full Text:PDF(391.1KB)

FOREWORD
Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/11/25
Vol. E77-C  No. 11  pp. 1715-1715
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(94.2KB)

Theory of Chemical Waveguides
Kazuya HAYATA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/10/25
Vol. E77-C  No. 10  pp. 1706-1709
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
chemical wavereaction-diffusion systemguided modedark soliton
 Summary | Full Text:PDF(283.7KB)

Quasi-Instanton Solution for Ultrashort Baseband Optical Signals
Kazuya HAYATA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/12/25
Vol. E76-A  No. 12  pp. 2059-2061
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1993 IEICE Fall Conference)
Category: 
Keyword: 
instantonbaseband optical signalnonlinear Klein-Gordon equationlight conesaturable nonlinear polarization
 Summary | Full Text:PDF(201.8KB)

FOREWORD
Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/10/25
Vol. E76-C  No. 10  pp. 1433-1434
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(118.5KB)

Optical Instantons as the Utmost Limit to Ultrafast Nonlinear Coherent Processes
Kazuya HAYATA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/12/25
Vol. E74-A  No. 12  pp. 3946-3948
Type of Manuscript:  Special Section LETTER (Special Issue on the 1991 IEICE Fall Conference)
Category: Electromagnetic Theory
Keyword: 
 Summary | Full Text:PDF(163.6KB)

Mutual Guiding Assistance between Eigenmodes of Nonlinearly Coupled TE-TM Waves
Kazuya HAYATA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/09/25
Vol. E74-C  No. 9  pp. 2890-2897
Type of Manuscript:  Special Section PAPER (Special Issue on OFSET '90)
Category: Waveguide
Keyword: 
 Summary | Full Text:PDF(500.2KB)

Chaotic Propagation of the Elliptically-Polarized Light in Nonlinear Guided-Wave Structures
Kazuya HAYATA Akira MISAWA Masanori KOSHIBA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/06/25
Vol. E73-E  No. 6  pp. 855-860
Type of Manuscript:  Special Section PAPER (Special Issue on Engineering Chaos)
Category: Chaos in Engineering Science
Keyword: 
 Summary | Full Text:PDF(569.6KB)

Vectorial Finite-Element Formulation without Spurious Modes for Dielectric Waveguides
Masanori KOSHIBA Kazuya HAYATA Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/04/25
Vol. E67-E  No. 4  pp. 191-196
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
 Summary | Full Text:PDF(332.5KB)

Application of Finite-Element Method to Scattering from Periodic Structures
Masanori KOSHIBA Hiroshi NEMOTO Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/11/25
Vol. E66-E  No. 11  pp. 684-685
Type of Manuscript:  LETTER
Category: Antenna and Propagation
Keyword: 
 Summary | Full Text:PDF(130.7KB)

Boundary Element Analysis of the Discontinuities in an Elastic Plate Waveguide for SH Waves
Masanori KOSHIBA Toshiaki MIKI Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/09/25
Vol. E66-E  No. 9  pp. 563-564
Type of Manuscript:  LETTER
Category: Acoustic Waveguides
Keyword: 
 Summary | Full Text:PDF(105.2KB)

Application of Finite-Element Method to E-Plane Waveguide Discontinuities
Masanori KOSHIBA Mitsuru SATO Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/07/25
Vol. E66-E  No. 7  pp. 457-458
Type of Manuscript:  LETTER
Category: Microwaves and Millimeter Waves
Keyword: 
 Summary | Full Text:PDF(108.9KB)

On Finite-Element Solutions of the Discontinuity Problems in a Bounded Dielectric Slab Waveguide
Masanori KOSHIBA Toshiaki MIKI Kazuhiro OOISHI Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/04/25
Vol. E66-E  No. 4  pp. 250-251
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(117.4KB)

Finite-Element Analysis of Topographic Waveguides for Acoustic Surface Waves Using Approximate Analytical Solutions for Substrate Region
Masanori KOSHIBA Masaya OKADA Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/02/25
Vol. E66-E  No. 2  pp. 75-81
Type of Manuscript:  PAPER
Category: Acoustic Waveguides
Keyword: 
 Summary | Full Text:PDF(302.1KB)

On Accuracy of Approximate Scalar Finite-Element Analysis of Dielectric Optical Waveguides
Masanori KOSHIBA Kazuya HAYATA Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/02/25
Vol. E66-E  No. 2  pp. 157-158
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(117.7KB)

Finite-Element Analysis of Arbitrarily Shaped H-Plane Waveguide Discontinuities
Masanori KOSHIBA Mitsuru SATO Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/02/25
Vol. E66-E  No. 2  pp. 82-87
Type of Manuscript:  PAPER
Category: Microwaves and Millimeter Waves
Keyword: 
 Summary | Full Text:PDF(329.3KB)

Numerical Analysis of Acoustic Wave Propagation along the Azimuthal Direction in the Cylindrically Layered Waveguides by Finite-Element Method
Masanori KOSHIBA Masaya OKADA Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1983/01/25
Vol. E66-E  No. 1  pp. 1-5
Type of Manuscript:  PAPER
Category: Acoustic Waveguides
Keyword: 
 Summary | Full Text:PDF(273.4KB)

Improved Equivalent Network Analysis of a Dielectric Waveguide Placed on a Ground Plane
Masanori KOSHIBA Hitoshi ISHII Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/10/25
Vol. E65-E  No. 10  pp. 572-578
Type of Manuscript:  PAPER
Category: Microwaves and Millimeter Waves
Keyword: 
 Summary | Full Text:PDF(389.7KB)

Finite-Element Analysis of Layered Waveguides for Piezoelectric Surface Waves Using Analytical Solutions for Semi-Infinite Media
Masanori KOSHIBA Masaya OKADA Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/10/25
Vol. E65-E  No. 10  pp. 579-583
Type of Manuscript:  PAPER
Category: Miscellaneous
Keyword: 
 Summary | Full Text:PDF(247.8KB)

Finite-Element Analysis of Discontinuity Problem of SH-Type Modes in a Piezoelectric Plate Waveguide
Masanori KOSHIBA Hikaru MORITA Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/09/25
Vol. E65-E  No. 9  pp. 522-528
Type of Manuscript:  PAPER
Category: Miscellaneous
Keyword: 
 Summary | Full Text:PDF(372.1KB)

Equivalent Network Analysis of Dielectric Thin-Film Waveguides for Optical Integrated Circuits
Masanori KOSHIBA Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1981/04/25
Vol. E64-E  No. 4  pp. 266-267
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(126.7KB)

Microwave Network Analyses of Dielectric Waveguides for Millimeter Waves Made of Dielectric Strip and Planar Dielectric Layer
Masanori KOSHIBA Michio SUZUKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/05/25
Vol. E63-E  No. 5  pp. 344-350
Type of Manuscript:  PAPER
Category: Microwaves and Millimeter Waves
Keyword: 
 Summary | Full Text:PDF(488.5KB)