Low-Loss and Fabrication-Tolerant Si Four-Wavelength Multiplexer using Higher-Order Mode for 100/400GbE. - Junya Takano; Takeshi Fujisawa; Takanori Sato; Yusuke Sawada; Taiji Sakamoto; Takashi Matsui; Kyozo Tsujikawa; Kazuhide Nakajima; Kunimasa Saitoh (OFC, 2019)

Low-Loss Silicon 2 × 4λ Multiplexers Composed of On-Chip Polarization-Splitter-Rotator and 2 × 2 and 2 × 1 Mach-Zehnder Filters for 400GbE. - Junya Takano; Takeshi Fujisawa; Yusuke Sawada; Kunimasa Saitoh (OFC, 2020)

Ultra-High-Density Microduct Cable with Uncoupled 12-Core Fibers with Standard 250-µm Coating. - Tetsuya Hayashi; Ayumi Inoue; Yohei Suzuki; Yuji Norisugi; Keiji Kawamoto; Junya Takano; Takuji Nagashima; Takao Hirama; Kentaro Takeda; Yuki Shimoda; Fumiaki Sato (OFC, 2023)