Fundamental Characteristics of Localized Acoustic Modes in Photonic Crystal Fibers. - Ikumi Enomori; Kunimasa Saitoh; Masanori Koshiba (IEICE Trans. Electron., 2005)

Curvilinear triangular-prism element for computation of band structure in photonic crystal slab. - Koichi Hirayama; Masatoshi Kanou; Yasuhide Tsuji; Masanori Koshiba (IEICE Electron. Express, 2006)

Transmission characteristics of laterally illuminated photonic crystal fibers. - Keiichi Morikawa; Takeshi Fujisawa; Kunimasa Saitoh; Masanori Koshiba (IEICE Electron. Express, 2006)

Novel multi-core fibers for mode division multiplexing: proposal and design principle. - Yasuo Kokubun; Masanori Koshiba (IEICE Electron. Express, 2009)

Heterogeneous multi-core fibers: proposal and design principle. - Masanori Koshiba; Kunimasa Saitoh; Yasuo Kokubun (IEICE Electron. Express, 2009)

Design of effectively single-mode leakage channel fibers with large mode area and low bending loss. - Kunimasa Saitoh; Yukihiro Tsuchida; Masanori Koshiba (IEICE Electron. Express, 2009)

Finite-element time-domain beam propagation method with perfectly matched layer for electron waveguide simulations. - Hitoshi Gotoh; Masanori Koshiba; Yasuhide Tsuji (IEICE Electron. Express, 2011)

Crosstalk behavior of cores in multi-core fiber under bent condition. - Shoichiro Matsuo; Katsuhiro Takenaga; Yoko Arakawa; Yusuke Sasaki; Shoji Tanigawa; Kunimasa Saitoh; Masanori Koshiba (IEICE Electron. Express, 2011)

Crosstalk behavior of multi-core fiber with structural parameter drift in longitudinal direction. - Shoichiro Matsuo; Katsuhiro Takenaga; Yoko Arakawa; Yusuke Sasaki; Shoji Tanigawa; Kunimasa Saitoh; Masanori Koshiba (IEICE Electron. Express, 2011)

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 (IEICE Trans. Commun., 2011)

Recent progress on multi-core fiber and few-mode fiber. - S. Matsuo; Yusuke Sasaki; I. Ishida; Katsuhiro Takenaga; Kunimasa Saitoh; Masanori Koshiba (OFC/NFOEC, 2013)

Investigation of crosstalk dependencies on bending radius of heterogeneous multicore fiber. - Yusuke Sasaki; Yoshimichi Amma; Katsuhiro Takenaga; S. Matsuo; Kunimasa Saitoh; Masanori Koshiba (OFC/NFOEC, 2013)

Low-loss and broadband PLC-type mode (de)multiplexer for mode-division multiplexing transmission. - Takui Uematsu; Kunimasa Saitoh; Nobutomo Hanzawa; Taiji Sakamoto; Takashi Matsui; Kyozo Tsujikawa; Masanori Koshiba (OFC/NFOEC, 2013)

Few-mode multicore fibre with 36 spatial modes (Three modes (LP01, LP11a, LP11b) ×12 cores). - Yusuke Sasaki; Yoshimichi Amma; Katsuhiro Takenaga; Shoichiro Matsuo; Kunimasa Saitoh; Masanori Koshiba (ECOC, 2014)

Dependence of crosstalk increase due to tight bend on core layout of multi-core fiber. - Tetsuya Hayashi; Tetsuya Nakanishi; Takashi Sasaki; Kunimasa Saitoh; Masanori Koshiba (OFC, 2014)

Optical Waveguide Theory by the Finite Element Method. - Masanori Koshiba (IEICE Trans. Electron., 2014)

High-density multicore fiber with heterogeneous core arrangement. - Yoshimichi Amma; Yusuke Sasaki; Katsuhiro Takenaga; S. Matsuo; J. Tu; Kunimasa Saitoh; Masanori Koshiba; Toshio Morioka; Yutaka Miyamoto (OFC, 2015)

Predictable and unpredictable phenomena in optical fibers for space-division/mode-division multiplexing transmission: statistical analysis of coupling and mysterious behavior of modes. - Yasuo Kokubun; Masanori Koshiba (IEICE Electron. Express, 2020)

Erratum: Predictable and unpredictable phenomena in optical fibers for space-division/mode-division multiplexing transmission: statistical analysis of coupling and mysterious behavior of modes [IEICE Electronics Express Vol. 17 (2020) No. 15 pp. 20202001]. - Yasuo Kokubun; Masanori Koshiba (IEICE Electron. Express, 2020)

Behavior of intercore crosstalk in square-layout uncoupled four-core fibers. - Masanori Koshiba; Yasuo Kokubun; Mayu Nakagawa; Masaki Ohzeki; Katsuhiro Takenaga (IEICE Electron. Express, 2022)