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)

125-µm-cladding 8-core multi-core fiber realizing ultra-high-density cable suitable for O-band short-reach optical interconnects. - Tetsuya Hayashi; Tetsuya Nakanishi; Kaoru Hirashima; Osamu Shimakawa; Fumiaki Sato; Koichi Koyama; Akira Furuya; Yasunori Murakami; Takashi Sasaki (OFC, 2015)

Experimental evaluation of the time and frequency crosstalk dependency in a 7-core multi-core fiber. - Ruben S. Luis; Benjamin J. Puttnam; Werner Klaus; Jose Manuel Delgado Mendinueta; Yoshinari Awaji; Naoya Wada; Atsushi Kanno; Tetsuya Kawanishi; Tetsuya Nakanishi; Tetsuya Hayashi; Takashi Sasaki (OFC, 2015)

Spatial-spectral-efficiency-enhanced multi-core fiber. - Tetsuya Nakanishi; Tetsuya Hayashi; Osamu Shimakawa; Takashi Sasaki (OFC, 2015)

Realizing a 36-core, 3-mode fiber with 108 spatial channels. - Jun Sakaguchi; Werner Klaus; Jose Manuel Delgado Mendinueta; Benjamin J. Puttnam; Ruben S. Luis; Yoshinari Awaji; Naoya Wada; Tetsuya Hayashi; Tetsuya Nakanishi; T. Watanabe; Y. Kokubun; Taketoshi Takahata; et al. (OFC, 2015)

End-to-End Multi-Core Fibre Transmission Link Enabled by Silicon Photonics Transceiver with Grating Coupler Array. - Tetsuya Hayashi; Attila Mekis; Tetsuya Nakanishi; Mark Peterson; Subal Sahni; Peng Sun; Steven Freyling; Gene Armijo; Chang Sohn; Dennis Foltz; Thierry Pinguet; Michael Mack; et al. (ECOC, 2017)

Multi-Core Fibre with Concaved Double-D Shape Cross Section. - Takuji Nagashima; Shuhei Toyokawa; Tetsuya Hayashi; Tetsu Morishima; Hirotaka Sakuma; Tetsuya Nakanishi (ECOC, 2017)

Coupled-core optical amplifier. - Nicolas K. Fontaine; Jose Enrique Antonio-Lopez; Haoshuo Chen; Roland Ryf; David T. Neilson; Axel Schülzgen; Juan Carlos Alvarado-Zaharias; René-Jean Essiambre; Hirotaka Sakuma; Takemi Hasegawa; Tetsuya Nakanishi; Tetsuya Hayashi; et al. (OFC, 2017)

MCF-enabled ultra-high-density 256-core MT connector and 96-core physical-contact MPO connector. - Tetsu Morishima; Jun Ito; Takayuki Shimazu; Hajime Arao; Osamu Shimakawa; Toshihisa Yokochi; Fumiya Uehara; Masaki Ohmura; Tetsuya Nakanishi; Tomomi Sano; Tetsuya Hayashi (OFC, 2017)

Accurate Passive Rotational Alignment of Multi-Core Fibre with Double-D-Shape Cladding on V Groove. - Yuki Saito 005; Tetsuya Hayashi; Takuji Nagashima; Shuhei Toyokawa; Tetsuya Nakanishi; Tomomi Sano (ECOC, 2018)

228-Spatial-Channel Bi-Directional Data Communication System Enabled by 39-Core 3-Mode Fiber. - Jun Sakaguchi; Werner Klaus; Yoshinari Awaji; Naoya Wada; Tetsuya Hayashi; Takuji Nagashima; Tetsuya Nakanishi; Toshiki Taru; Taketoshi Takahata; Tetsuya Kobayashi (ECOC, 2018)

Stable Measurement of Effective Area in Coupled Multi-core Fiber. - Elaine S. Chou; Tetsuya Hayashi; Takuji Nagashima; Joseph M. Kahn; Tetsuya Nakanishi (OFC, 2018)

Ultra-High-Density MCF Connector Technology. - Tetsu Morishima; Osamu Shimakawa; Jun Ito; Takayuki Shimazu; Hajime Arao; Toshihisa Yokochi; Fumiya Uehara; Masaki Ohmura; Tetsuya Nakanishi; Tomomi Sano; Tetsuya Hayashi (OFC, 2018)

Physical-contact 256-core MPO Connector with Flat Polished Multi-core Fibers. - Yuki Saito 005; Tetsu Morishima; Ken Manabe; Tetsuya Nakanishi; Tomomi Sano; Tetsuya Hayashi (OFC, 2018)

Spatial Mode Dispersion Suppressed Randomly-Coupled Multi-Core Fiber in Straightened Loose-Tube Cable. - Tetsuya Hayashi; Takuji Nagashima; Takako Muramoto; Fumiaki Sato; Tetsuya Nakanishi (OFC, 2019)

Low-Loss and Highly Reliable Low-Profile Coupler for Silicon Photonics. - Tsutaru Kumagai; Tetsuya Nakanishi; Tetsuya Hayashi; Kenichiro Takahashi; Manabu Shiozaki; Atsushi Kataoka; Takashi Murakami; Tomomi Sano (OFC, 2019)

Genetic Algorithm Optimization of Multi Core Fibre Transmission Links based on Silicon Photonic Transceivers. - Alessandro Ottino; Arsalan Saljoghei; Tetsuya Hayashi; Tetsuya Nakanishi; Craig Kochis; Peter De Dobbelaere; George Zervas (OFC, 2019)

Low-Loss Uncoupled Two-Core Fiber for Power Efficient Practical Submarine Transmission. - Yoshiaki Tamura; Tetsuya Hayashi; Tetsuya Nakanishi; Takemi Hasegawa (OFC, 2019)

Experimental Investigation of Static and Dynamic Crosstalk in Trench-Assisted Multi-Core Fiber. - Hui Yuan; Arsalan Saljoghei; Tetsuya Hayashi; Tetsuya Nakanishi; Eric Sillekens; Lídia Galdino; Polina Bayvel; Zhixin Liu; Georgios Zervas (OFC, 2019)

Stable Measurement of Near/Far Field Profiles of Coupled Multi-Core Fiber. - Elaine Chou; Tetsuya Hayashi; Takuji Nagashima; Joseph M. Kahn; Tetsuya Nakanishi (OECC/PSC, 2019)

Field-Deployed Multi-Core Fiber Testbed. - Tetsuya Hayashi; Takuji Nagashima; Tetsuya Nakanishi; Tetsu Morishima; Reiji Kawawada; Antonio Mecozzi; Cristian Antonelli (OECC/PSC, 2019)

Double-D-Shaped Multi-Core Fiber with Suppressed Dimensional Fluctuation. - Takuji Nagashima; Hirotaka Sakuma; Shuhei Toyokawa; Tetsuya Hayashi; Tetsuya Nakanishi (OECC/PSC, 2019)

Transfer Matrix Characterization of Field-Deployed MCFs. - Mikael Mazur; Nicolas K. Fontaine; Roland Ryf; Andrea Marotta; Haoshuo Chen; Tetsuya Hayashi; Takuji Nagashima; Tetsuya Nakanishi; Tetsu Morishima; Fabio Graziosi; Antonio Mecozzi; Cristian Antonelli (ECOC, 2020)

Multi-Span Transmission over 65 km 38-Core 3-Mode Fiber. - Georg Rademacher; Benjamin J. Puttnam; Ruben S. Luís; Jun Sakaguchi; Werner Klaus; Tobias A. Eriksson; Yoshinari Awaji; Tetsuya Hayashi; Takuji Nagashima; Tetsuya Nakanishi; Toshiki Taru; Taketoshi Takahata; et al. (ECOC, 2020)

Transmission over Randomly-Coupled 4-Core Fiber in Field-Deployed Multi-Core Fiber Cable. - Roland Ryf; Andrea Marotta; Mikael Mazur; Nicolas K. Fontaine; Haoshuo Chen; Tetsuya Hayashi; Takuji Nagashima; Tetsuya Nakanishi; Tetsu Morishima; Fabio Graziosi; Antonio Mecozzi; Cristian Antonelli (ECOC, 2020)

2-Dimentional Fiber Array with Reflow Compatibility for High-Density Optical Interconnection. - Tsutaru Kumagai; Hajime Arao; Hong C. Nguyen; Tetsuya Nakanishi (OFC, 2020)

Evaluation of Dynamic Skew on Spooled and Deployed Multicore Fibers using O-Band Signals. - Ruben S. Luis; Benjamin J. Puttnam; Georg Rademacher; Andrea Marotta; Cristian Antonelli; Fabio Graziosi; Antonio Mecozzi; Tetsuya Hayashi; Tetsuya Nakanishi; Satoshi Shinada; Yoshinari Awaji; Hideaki Furukawa; et al. (OFC, 2020)

Simple-Structure LC-Type Multi-Core Fiber Connector with Low Insertion Loss. - Tetsu Morishima; Ken Manabe; Shuhei Toyokawa; Tetsuya Nakanishi; Tomomi Sano; Tetsuya Hayashi (OFC, 2020)

10.66 Peta-Bit/s Transmission over a 38-Core-Three-Mode Fiber. - Georg Rademacher; Benjamin J. Puttnam; Ruben S. Luís; Jun Sakaguchi; Werner Klaus; Tobias A. Eriksson; Yoshinari Awaji; Tetsuya Hayashi; Takuji Nagashima; Tetsuya Nakanishi; Toshiki Taru; Taketoshi Takahata; et al. (OFC, 2020)

Dynamic Skew in Multi-Core Fibers: From Lab Measurements to Field Trials. - Ruben S. Luís; Benjamin J. Puttnam; Georg Rademacher; Andrea Marotta; Cristian Antonelli; Fabio Graziosi; Antonio Mecozzi; Tetsuya Hayashi; Tetsuya Nakanishi; Satoshi Shinada; Yoshinari Awaji; Hideaki Furukawa; et al. (OFC, 2021)

Real-Time MIMO Transmission over Field-Deployed Coupled-Core Multi-Core Fibers. - Mikael Mazur; Roland Ryf; Nicolas K. Fontaine; Andrea Marotta; Erik Börjeson; Lauren Dallachiesa; Haoshuo Chen; Tetsuya Hayashi; Takuji Nagashima; Tetsuya Nakanishi; Tetsu Morishima; Fabio Graziosi; et al. (OFC, 2022)

Multicore fiber interconnects for multi-terabit spine-leaf datacenter network topologies. - Ruben S. Luis; Benjamin J. Puttnam; Georg Rademacher; Satoshi Shinada; Tetsuya Hayashi; Tetsuya Nakanishi; Yuki Saito 005; Tetsu Morishima; Hideaki Furukawa (J. Opt. Commun. Netw., 2023)

Field Transmission Performance of Multi-core and Few-Mode Fibers. - Cristian Antonelli; Antonio Mecozzi; Andrea Marotta; Fabio Graziosi; Giammarco Di Sciullo; Domenico Ribezzo; Mikael Mazur; Nicolas K. Fontaine; Lauren Dallachiesa; Roland Ryf; Ruben S. Luis; Benjamin J. Puttnam; et al. (OFC, 2024)

Advancements in Key Technological Building Blocks for Enabling MCF Implementation. - Tetsuya Nakanishi; Tetsuya Hayashi; Shintaro Mouri; Takemi Hasegawa (OFC, 2024)