C- and L-Band Parallel Configuration Optical Fiber Amplifier Employing Bundled Er3+-Doped Fiber. - Makoto Yamada; Masaharu Uno; Hirotaka Ono 002 (IEICE Trans. Commun., 2012)

Theoretical study of crosstalk characteristics for multi-core optical fiber amplifiers. - Makoto Yamada; Hirotaka Ono 002; Norihiko Sakai; Katsuhiro Takenaga; Shoichiro Matsuo (OFC/NFOEC, 2013)

120.7-Tb/s (7 SDM/180 WDM/95.8 Gb/s) MCF-ROPA un epeatered transmission of PDM-32QAM channels over 204 km. - Hidehiko Takara; Takayuki Mizuno; H. Kawakami; Yutaka Miyamoto; Hiroji Masuda; K. Kitamura; Hirotaka Ono 002; S. Asakawa; Yoshimichi Amma; Keisuke Hirakawa; S. Matsuo; K. Tsujikawa; et al. (ECOC, 2014)

1.7 µm band optical fiber amplifier. - Makoto Yamada; Hirotaka Ono 002; K. Ohta; Shinichi Aozasa; T. Tanaka; K. Senda; Y. Maeda; Osanori Koyama; Jun Ono (OFC, 2014)

Mode dependent loss equaliser and impact of MDL on PDM-16QAM few-mode fibre transmission. - T. Mizuno; H. Takara; Kohki Shibahara; Yutaka Miyamoto; Manabu Oguma; Hirotaka Ono 002; Y. Abe; Takashi Matsui; S. Matsuo; Kunimasa Saitoh; Y. Kimura (ECOC, 2015)

Dense SDM (12-core × 3-mode) transmission over 527 km with 33.2-ns mode-dispersion employing low-complexity parallel MIMO frequency-domain equalization. - Kohki Shibahara; Takayuki Mizuno; Hidehiko Takara; Akihide Sano; H. Kawakami; D. Lee; Yutaka Miyamoto; Hirotaka Ono 002; Manabu Oguma; Yoshiteru Abe; Takayuki Kobayashi; Takashi Matsui; et al. (OFC, 2015)

32-core Dense SDM unidirectional transmission of PDM-16QAM signals over 1600 km using crosstalk-managed single-mode heterogeneous multicore transmission line. - Takayuki Mizuno; Kohki Shibahara; Hirotaka Ono 002; Y. Abe; Yutaka Miyamoto; Feihong Ye; Toshio Morioka; Yusuke Sasaki; Yoshimichi Amma; Katsuhiro Takenaga; S. Matsuo; Kazuhiko Aikawa; et al. (OFC, 2016)

Hybrid Cladding-pumped EDFA/Raman for SDM Transmission Systems Using Core-by-core Gain Control Scheme. - Takayuki Mizuno; Akira Isoda; Kohki Shibahara; Hirotaka Ono 002; Mitsunori Fukutoku; Yutaka Miyamoto (ECOC, 2017)

SDM-compatible dynamic gain equalizer using spatial and planar optical circuit. - Mitsumasa Nakajima; Kenya Suzuki; Keita Yamaguchi; Hirotaka Ono 002; Hiroki Kawahara; Mitsunori Fukutoku; Takayuki Mizuno; Yutaka Miyamoto; Toshikazu Hashimoto (OFC, 2017)

Low-loss fiber-bundle-type fan-in/fan-out device for 6-mode 19-core fiber. - Kota Shikama; Yoshiteru Abe; Hirotaka Ono 002; Atsushi Aratake (OFC, 2017)

Long-Distance PDM-32QAM 3-Mode Fibre Transmission Over 1000 km Using Hybrid Multicore EDFA/Raman Repeated Amplification with Cyclic Mode Permutation. - Takayuki Mizuno; Kohki Shibahara; Hirotaka Ono 002; Yutaka Miyamoto (ECOC, 2018)

Iterative Unreplicated Parallel Interference Canceler for MDL-Tolerant Dense SDM 12-Core×3-Mode Transmission Over 3000 km. - Kohki Shibahara; Takayuki Mizuno; Doowhan Lee; Yutaka Miyamoto; Hirotaka Ono 002; Kazuhide Nakajima; Yoshimichi Amma; Katsuhiro Takenaga; Kunimasa Saitoh (ECOC, 2018)

DMD-Unmanaged Long-Haul SDM Transmission Over 2500-km 12-core × 3-mode MC-FMF and 6300-km 3-mode FMF Employing Intermodal Interference Cancelling Technique. - Kohki Shibahara; Takayuki Mizuno; L. Doowhan; Yutaka Miyamoto; Hirotaka Ono 002; Kazuhide Nakajima; S. Saitoh; Katsuhiro Takenaga; Kunimasa Saitoh (OFC, 2018)

Gain Control in Multi-Core EDFA with Hybrid-Pumping. - Hirotaka Ono 002 (OECC/PSC, 2019)

Long-Haul DMD-Unmanaged 6-Mode-Multiplexed Transmission Employing Cyclic Mode-Group Permutation. - Kohki Shibahara; Takayuki Mizuno; Hirotaka Ono 002; Kazuhide Nakajima; Yutaka Miyamoto (OFC, 2020)