Low Loss Optical Switch with Precisely Rotationally-Aligned Multi-Core Fiber Array. - Osamu Shimakawa; Ryoichi Kobayashi; Hidehisa Tazawa (OFC, 2020)

Transfer Matrix Characterization and Mode-Dependent Loss Optimization of Packaged 7-Core Coupled-Core EDFA. - Mikael Mazur; Nicolas K. Fontaine; Roland Ryf; Haoshuo Chen; Lauren Dallachiesa; Takafumi Ohtsuka; Hirotaka Sakuma; Tetsuya Hayashi; Takemi Hasegawa; Hidehisa Tazawa; David T. Neilson (ECOC, 2021)

Ultra-Low-Loss MCF Fanouts for Submarine SDM Applications. - V. I. Kopp; Jongchul Park; Jon Singer; Dan Neugroschl; Takahiro Suganuma; Takemi Hasegawa; Takafumi Ohtsuka; Hidehisa Tazawa (OFC, 2022)

Real-Time Transmission over 2×55 km All 7-Core Coupled-Core Multi-Core Fiber Link. - Mikael Mazur; Lauren Dallachiesa; Nicolas K. Fontaine; Roland Ryf; Erik Börjeson; Haoshuo Chen; Hirotaka Sakuma; Takafumi Ohtsuka; Tetsuya Hayashi; Takemi Hasegawa; Hidehisa Tazawa; David T. Neilson; et al. (OFC, 2022)

Low insertion loss and high return loss fiber bundle fan-in/fan-out for four-core multi-core fiber. - Takahiro Kikuchi; Osamu Shimakawa; Hidehisa Tazawa (OECC/PSC, 2022)

Focal shifts in transmission of thin film filters for DWDM MUX/DEMUXs. - Masato Tanaka; Eiichiro Yamada; Hidehisa Tazawa (OECC/PSC, 2022)

Power Efficient Core Pumped Multicore Erbium Doped Optical Fiber Amplifier. - Takafumi Ohtsuka; Takahiro Kikuchi; Takahiro Suganuma; Takemi Hasegawa; Hidehisa Tazawa (OFC, 2023)

Single-End Crosstalk Measurement Method for Multi-Core Fibers Using Continuous Light Source. - Yuto Yamaguchi; Ayumi Inoue; Takahiro Kikuchi; Takuji Nagashima; Hidehisa Tazawa; Tetsuya Hayashi (OFC, 2024)