Masashi HOTTA

Effects of Lossy Mediums for Resonator-Coupled Type Wireless Power Transfer System using Conventional Single- and Dual-Spiral Resonators
Nur Syafiera Azreen NORODIN Kousuke NAKAMURA Masashi HOTTA 
Publication:   
Publication Date: 2022/03/01
Vol. E105-C  No. 3  pp. 110-117
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
electromagnetic coupling, wireless power transfer, lossy mediums, power transmission efficiency, spiral resonator, 
 Summary | Full Text:PDF(5.9MB)
TE Volume Modes in Anisotropic Single-Negative Slab with Negative Component in Permeability Tensor
Masashi HOTTA Ryota OGAWA Mitsuo HANO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/01/01
Vol. E93-C  No. 1  pp. 81-84
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
volume mode, single-negative, tensor material parameters, metamaterial, 
 Summary | Full Text:PDF(573KB)
Modal Analysis of Finite-Thickness Slab with Single-Negative Tensor Material Parameters
Masashi HOTTA Mitsuo HANO Ikuo AWAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/09/01
Vol. E89-C  No. 9  pp. 1283-1290
Type of Manuscript:  Special Section PAPER (Special Section on Metamaterials for Microwave and Millimeter-Wave Applications)
Category: 
Keyword: 
metamaterial, anisotropy, single-negative material, tensor material parameter, magnetostatic wave, 
 Summary | Full Text:PDF(856.3KB)
Surface Waves along a Boundary of Single Negative Material
Masashi HOTTA Mitsuo HANO Ikuo AWAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/02/01
Vol. E88-C  No. 2  pp. 275-278
Type of Manuscript:  LETTER
Category: Microwaves, Millimeter-Waves
Keyword: 
surface wave, metamaterial, negative permeability, negative permittivity, directional coupler, 
 Summary | Full Text:PDF(329KB)
Leakage Loss Analysis of Conductor Backed Coplanar Waveguide with Air-Gap-Spacing Dielectric Sheets
Masashi HOTTA Tomoyuki INOUE Masahiro KOBAYASHI Mitsuo HANO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/07/01
Vol. E85-C  No. 7  pp. 1519-1522
Type of Manuscript:  LETTER
Category: Microwaves, Millimeter-Waves
Keyword: 
conductor backed CPW, leakage loss, FDTD, dielectric sheets, air-gap-spacing (AGS), 
 Summary | Full Text:PDF(409.5KB)
Modal-Matching Analysis of Loss in Bent Graded-Index Optical Slab Waveguides
Maria MIRIANASHVILI Kazuo ONO Masashi HOTTA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/02/01
Vol. E84-C  No. 2  pp. 238-242
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
graded-index, bent slab waveguide, modal-matching method, conformal mapping, multilayer approximation, 
 Summary | Full Text:PDF(592.4KB)
A Novel Resonant Coupling Type Microstrip Line Interconnect
Masashi HOTTA Yongxi QIAN Tatsuo ITOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/01/25
Vol. E82-C  No. 1  pp. 147-150
Type of Manuscript:  LETTER
Category: Microwave and Millimeter Wave Technology
Keyword: 
resonant coupling, microstrip line, ribbon bonding, dielectric pad, FDTD, 
 Summary | Full Text:PDF(386.6KB)
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, 
 Summary | Full Text:PDF(360.6KB)
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, 
 Summary | Full Text:PDF(347.7KB)
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, 
 Summary | Full Text:PDF(536.4KB)
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, 
 Summary | Full Text:PDF(403.6KB)
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, 
 Summary | Full Text:PDF(524.5KB)