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)

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)

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)

Multicore-fiber cable with core density of 6 cores/mm2. - Itaru Ishida; Yoshimichi Amma; Keisuke Hirakawa; Hitoshi Uemura; Yusuke Sasaki; Katsuhiro Takenaga; Naoto Itou; Ken Osato; Shoichiro Matsuo (OFC, 2014)

Quasi-single-mode homogeneous 31-core fibre. - Yusuke Sasaki; S. Saitoh; Yoshimichi Amma; Katsuhiro Takenaga; S. Matsuo; Kunimasa Saitoh; Toshio Morioka; Yutaka Miyamoto (ECOC, 2015)

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)

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)

Adaptive Rates of High-Spectral-Efficiency WDM/SDM Channels Using PDM-1024-QAM Probabilistic Shaping. - Hao Hu 009; Metodi Plamenov Yankov; Francesco Da Ros; Yoshimichi Amma; Yusuke Sasaki; Takayuki Mizuno; Yutaka Miyamoto; Michael Galili; Søren Forchhammer; Leif K. Oxenløwe; Toshio Morioka (ECOC, 2017)

125 μm-cladding 2LP-mode and 4-core Multi-core Fibre with Air-hole Structure for Low Crosstalk in C+L Band. - Saki Nozoe; Taiji Sakamoto; Takashi Matsui; Yoshimichi Amma; Katsuhiro Takenaga; Yoshiteru Abe; Kyozo Tsujikawa; Shinichi Aozasa; Kazuhiko Aikawa; Kazuhide Nakajima (ECOC, 2017)

First Demonstration of Single-Mode MCF Transport Network with Crosstalk-Aware In-Service Optical Channel Control. - Klaus Pulverer; Takafumi Tanaka; Ulrich Häbel; Carlos Castro; Marc Bohn; Takayuki Mizuno; Akira Isoda; Kohki Shibahara; Tetsuro Inui; Yutaka Miyamoto; Yusuke Sasaki; Yoshimichi Amma; et al. (ECOC, 2017)

1-Pb/s (32 SDM/46 WDM/768 Gb/s) C-band dense SDM transmission over 205.6-km of single-mode heterogeneous multi-core fiber using 96-Gbaud PDM-16QAM channels. - Takayuki Kobayashi; Masanori Nakamura; Fukutaro Hamaoka; Kohki Shibahara; Takayuki Mizuno; Akihide Sano; H. Kawakami; Akira Isoda; Munehiko Nagatani; Hiroshi Yamazaki; Yutaka Miyamoto; Yoshimichi Amma; et al. (OFC, 2017)

In-service crosstalk monitoring for dense space division multiplexed multi-core fiber transmission systems. - Takayuki Mizuno; Akira Isoda; Kohki Shibahara; Yutaka Miyamoto; Saurabh Jain; Shaif-Ul Alam; David J. Richardson; Carlos Castro; Klaus Pulverer; Yusuke Sasaki; Yoshimichi Amma; Katsuhiro Takenaga; et al. (OFC, 2017)

Low crosstalk 125 μm-cladding multi-core fiber with limited air-holes fabricated with over-cladding bundled rods technique. - Saki Nozoe; Ryohei Fukumoto; Taiji Sakamoto; Takashi Matsui; Yoshimichi Amma; Katsuhiro Takenaga; Kyozo Tsujikawa; Shinichi Aozasa; Kazuhiko Aikawa; Kazuhide Nakajima (OFC, 2017)

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)

Cladding Diameter Dependence of Inter-Core Crosstalk in Heterogeneous Multicore Fibers. - Kenta Nishimura; Takanori Sato; Takeshi Fujisawa; Yoshimichi Amma; Katsuhiro Takenaga; Kazuhiko Aikawa; Kunimasa Saitoh (OECC/PSC, 2019)

Analysis of Crosstalk Dependence on Cladding Diameter in Heterogeneous Multi-core Fibers by Considering Polarization-mode Coupling Effects. - Gustavo Ocampo; Takanori Sato; Takeshi Fujisawa; Yoshimichi Amma; Kunimasa Saitoh (OECC/PSC, 2022)

Stress Distribution Effects on Polarization-Mode Dispersion in Multi-Core Fibers. - Gustavo Ocampo; Yoshimichi Amma; Kunimasa Saitoh (OFC, 2024)