A Multilayer Single-Input/Single-Output Dual-Band Filter Fabricated in a High Permittivity LTCC Substrate. - Shoichi Kitazawa; Hideyuki Miyake; Masahiro Geshiro; Masaharu Ohashi (IEICE Trans. Electron., 2006)

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 (IEICE Trans. Commun., 2007)

4-Branch Power Splitters Designed by Ideal Field Method. - Tetsuro Yabu; Masahiro Geshiro; Masaharu Ohashi (IEICE Trans. Electron., 2009)

Simple Model for Estimating Birefringence of LPFG Using Photoelastic Effect. - Tetsuro Yabu; Hidenori Tanaka; Masaharu Ohashi (IEICE Trans. Electron., 2009)

Investigation of offset-launch characteristics for Two-Mode Optical Fiber using FE-BPM. - Ryo Maruyama; Nobuo Kuwaki; Shoichiro Matsuo; Kiminori Sato; Masaharu Ohashi (OFC/NFOEC, 2013)

Technique for measuring mode power of two-mode fiber. - Atsushi Watase; Hirokazu Kubota; Yuji Miyoshi; Masaharu Ohashi (IEICE Electron. Express, 2013)

Experimental evaluation of mode conversion ratio at splice point for two-mode fibers and its simulated effect on MIMO transmission. - Ryo Maruyama; Nobuo Kuwaki; Shoichiro Matsuo; Kiminori Sato; Masaharu Ohashi (OFC, 2014)

Technique for measuring mode power of two-mode fiber II; Experiment. - Hirokazu Kubota; Yuji Miyoshi; Masaharu Ohashi (IEICE Electron. Express, 2014)

Nyquist OTDM scheme using optical root-Nyquist pulse and optical correlation receiver. - Yuji Miyoshi; Hirokazu Kubota; Masaharu Ohashi (IEICE Electron. Express, 2014)

Nyquist OTDM based on optical correlation detection using impulse response of photo receiver. - Yuji Miyoshi; Hirokazu Kubota; Masaharu Ohashi (APCC, 2015)

Experimental investigation of relation between mode-coupling and fiber characteristics in few-mode fibers. - Ryo Maruyama; Nobuo Kuwaki; Shoichiro Matsuo; Masaharu Ohashi (OFC, 2015)

Relationship between mode-crosstalk and fiber characteristics in few mode fibers. - Ryo Maruyama; Nobuo Kuwaki; Shoichiro Matsuo; Masaharu Ohashi (OFC, 2016)

Effective Area Measurement of Few-mode Fibers Using a Variable Aperture in a Far-Field Technique. - Sei-Ichiro Kida; Masaharu Ohashi; Hirokazu Kubota; Yuji Miyoshi (OECC/PSC, 2019)

Mode Rotator for Space-Division Multiplexing Based on an Elliptical Core Two-mode Fiber. - Tsukasa Nakashima; Hirokazu Kubota; Yuji Miyoshi; Masaharu Ohashi (OECC/PSC, 2019)

Prediction of Modal Dispersion of High-Order Mode from Wavelength Dependence of the Mode Field Radius. - Masaharu Ohashi; Tomoya Kawasaki; Hirokazu Kubota; Yuii Mivoshi (OECC/PSC, 2019)

Vibration Monitoring Based on Cascaded-LPFG Fabricated with Heat-Shrinkable Tube. - Yasuhiro Tsutsumi; Masaharu Ohashi; Yuji Miyoshi; Hirokazu Kubota; Ikuo Yamashita (OECC/PSC, 2019)

Nyquist pulse generation scheme using spectrum broadening in highly nonlinear fiber. - Tomoya Yokoi; Yuji Miyoshi; Hirokazu Kubota; Masaharu Ohashi (OECC/PSC, 2019)

Estimating Modal Group Delay Characteristics of Few-Mode Fibres from Fibre Parameters. - Atsushi Nakamura; Masaharu Ohashi; Daisuke Iida; Hirokazu Kubota (ECOC, 2020)

Bending Radius Dependence of Power Coupling Coefficient and Spatial Mode Dispersion in Coupled Multi-Core Fibers. - Masaki Nakamori; Atsushi Nakamura; Masaharu Ohashi; Yusuke Koshikiya (OFC, 2023)

Definition of Mode Field Diameter for Few-Mode Fibers based on Stationary Expression of Propagation Constant. - Atsushi Nakamura; Masaharu Ohashi; Yusuke Koshikiya (OFC, 2023)

Simultaneous Measurement of Differential Modal Group Delay in Few-Mode Fibers on the Basis of Optical Time Domain Reflectometer with Delay Lines. - Masaki Nakamori; Atsushi Nakamura; Masaharu Ohashi; Yusuke Koshikiya (IEICE Trans. Commun., 2025)