An overview of the KODEN experiment between the OICETS satellite and the optical ground station in NICT. - Morio Toyoshima; Kenichi Takizawa; Toshiaki Kuri; Werner Klaus; Masahiro Toyoda; Kenji Suzuki; Takashi Takahashi; Shinichi Kimura; Hiroo Kunimori; Takashi Jono (Elektrotech. Informationstechnik, 2007)

On-demand spectrum and space defragmentation in an elastic SDM/FDM/TDM network with mixed multi- and single-core fiber links. - Norberto Amaya; M. Irfan; Georgios S. Zervas; Reza Nejabati; Dimitra Simeonidou; V. J. F. Rancano; Francesca Parmigiani; Periklis Petropoulos; David J. Richardson; Jun Sakaguchi; Werner Klaus; Benjamin J. Puttnam; et al. (OFC/NFOEC, 2013)

Investigation of receiver DSP carrier phase estimation rate for self-homodyne space-division multiplexing communication systems. - Jose Manuel Delgado Mendinueta; Benjamin J. Puttnam; Jun Sakaguchi; Ruben S. Luis; Werner Klaus; Yoshinari Awaji; Naoya Wada; Atsushi Kanno; Tetsuya Kawanishi (OFC/NFOEC, 2013)

105Tb/s transmission system using low-cost, MHz linewidth DFB lasers enabled by self-homodyne coherent detection and a 19-core fiber. - Benjamin J. Puttnam; Jose Manuel Delgado Mendinueta; Jun Sakaguchi; Ruben S. Luis; Werner Klaus; Yoshinari Awaji; Naoya Wada; Atsushi Kanno; Tetsuya Kawanishi (OFC/NFOEC, 2013)

Large-capacity transmission over a 19-core fiber. - Jun Sakaguchi; Benjamin J. Puttnam; Werner Klaus; Jose Manuel Delgado Mendinueta; Yoshinari Awaji; Naoya Wada; Atsushi Kanno; Tetsuya Kawanishi (OFC/NFOEC, 2013)

Digital signal processing techniques for multi-core fiber transmission using self-homodyne detection schemes. - Jose Manuel Delgado Mendinueta; Ruben S. Luis; Benjamin J. Puttnam; Jun Sakaguchi; Werner Klaus; Yoshinari Awaji; Naoya Wada; Atsushi Kanno; Tetsuya Kawanishi (EUSIPCO, 2014)

2.15 Pb/s transmission using a 22 core homogeneous single-mode multi-core fiber and wideband optical comb. - Benjamin J. Puttnam; Ruben S. Luis; Werner Klaus; Jun Sakaguchi; Jose Manuel Delgado Mendinueta; Yoshinari Awaji; Naoya Wada; Yoshiaki Tamura; Tetsuya Hayashi; Masaaki Hirano; J. Marciante (ECOC, 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)

Long distance transmission in a multi-core fiber with self-homodyne detection. - Benjamin J. Puttnam; Ruben S. Luis; Jose Manuel Delgado Mendinueta; Jun Sakaguchi; Werner Klaus; Yoshinari Awaji; Naoya Wada; Atsushi Kanno; Tetsuya Kawanishi (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)

Space division multiplexing (SDM) transmission and related technologies. - Naoya Wada; Benjamin J. Puttnam; Ruben S. Luis; Jun Sakaguchi; Werner Klaus; Jose Manuel Delgado Mendinueta; Yoshinari Awaji (ICTON, 2016)

Inter-Core Crosstalk Spectrum and Penalty Measurements in 7-Core Fiber. - Benjamin J. Puttnam; Georg Rademacher; Ruben S. Luis; Werner Klaus; Yoshinari Awaji; Naoya Wada (ECOC, 2017)

Analysis of Few-Mode Multi-Core Fiber Splice Behavior Using an Optical Vector Network Analyzer. - Simon Rommel; Jose Manuel Delgado Mendinueta; Werner Klaus; Jun Sakaguchi; Juan Jose Vegas Olmos; Yoshinari Awaji; Idelfonso Tafur Monroy; Naoya Wada (ECOC, 2017)

Spectrally-Efficient Seed-Lightwave-Distribution System using Space-Division-Multiplexed Distribution Channel for Multi-core 3-Mode-Multiplexed DP-64QAM Transmission. - Jun Sakaguchi; Werner Klaus; Benjamin J. Puttnam; Jose Manuel Delgado Mendinueta; Yoshinari Awaji; Naoya Wada (ECOC, 2017)

Homogeneous multi-core fibers in future optical networks. - Benjamin J. Puttnam; Ruben S. Luis; Georg Rademacher; Werner Klaus; Jun Sakaguchi; Yoshinari Awaji; Naoya Wada (ICTON, 2017)

Investigation of inter-core crosstalk and Raman nonlinearity in wideband MCF transmission. - Ruben S. Luis; Benjamin J. Puttnam; Georg Rademacher; Werner Klaus; Yoshinari Awaji; Naoya Wada (OFC, 2017)

High-capacity MCF transmission with wideband comb. - Benjamin J. Puttnam; Ruben S. Luis; Georg Rademacher; Jun Sakaguchi; Werner Klaus; Yoshinari Awaji; Naoya Wada; Erik Agrell; J. Marciante; Bill P.-P. Kuo; Stojan Radic (OFC, 2017)

Advanced Space Division Multiplexing Technologies for Optical Networks. - Werner Klaus; Benjamin J. Puttnam; Ruben S. Luís; Jun Sakaguchi; José Manuel Delgado Mendinueta; Yoshinari Awaji; Naoya Wada (JOCN, 2017)

Measurement of Modal Dispersion and Group Delay in a Large Core Count Few-Mode Multi-Core Fiber. - Simon Rommel; Jose Manuel Delgado Mendinueta; Werner Klaus; Jun Sakaguchi; Juan Jose Vegas Olmos; Yoshinari Awaji; Idelfonso Tafur Monroy; Naoya Wada (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)

Free-Space Few-Mode Kramers-Kronig Receiver. - Kasper Ingerslev; Georg Rademacher; Ruben S. Luís; Benjamin J. Puttnam; Werner Klaus; Satoshi Shinada; Yoshinari Awaji; Karsten Rottwitt; Toshio Morioka; Leif Katsuo Oxenløwe; Naoya Wada (PSC, 2018)

0.715 Pb/s Transmission Over 2, 009.6 km in 19-Core Cladding Pumped EDFA Amplified MCF Link. - Benjamin J. Puttnam; Georg Rademacher; Ruben S. Luis; Tobias A. Eriksson; Werner Klaus; Yoshinari Awaji; Naoya Wada; Koichi Maeda; Shigehiro Takasaka; Ryuichi Sugizaki (OFC, 2019)

Chromatic Dispersion Analysis and Compensation in a Large Core-Count Few-Mode Multi-Core Fiber Based on Optical Vector Network Analysis. - John van Weerdenburg; Simon Rommel; Jose Manuel Delgado Mendinueta; Werner Klaus; Jun Sakaguchi; Juan Jose Vegas Olmos; Ton Koonen; Yoshinari Awaji; Idelfonso Tafur Monroy; Chigo Okonkwo; Naoya Wada (OFC, 2019)

Transmission and Crosstalk Measurements in MC-EDFA amplified 19-core link. - Benjamin J. Puttnam; Georg Rademacher; Ruben S. Luís; Tobias A. Eriksson; Werner Klaus; Yoshinari Awaji; Naoya Wada; Koichi Maeda; Shigehiro Takasaka; Ryuichi Sugizaki (OECC/PSC, 2019)

A Scalable SDM Receiver Front-End using Spectral Filtering and LO-Signal Mixing in the Few-Mode Domain. - Georg Rademacher; Kasper Ingerslev; Ruben S. Luis; Benjamin J. Puttnam; Werner Klaus; Tobias A. Eriksson; Satoshi Shinada; Yoshinari Awaji; Ryu Maruyama; Kazuhike Aikawa; Naoya Wada (OECC/PSC, 2019)

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)

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)

Characterization and Optical Compensation of LP01 and LP11 Intra-Modal Nonlinearity in Few-Mode Fibers. - Francesco Da Ros; Pawel M. Kaminski; Georg Rademacher; Benjamin J. Puttnam; Ruben S. Luis; Werner Klaus; Hideaki Furukawa; Ryu Maruyama; Kazuhiko Aikawa; Toshio Morioka; Leif K. Oxenløwe; Naoya Wada; et al. (OFC, 2020)

Hollow-core fiber capacities with receiver noise limitations. - Werner Klaus; Peter J. Winzer (OFC, 2022)

The Role of Parallelism in the Evolution of Optical Fiber Communication Systems. - Werner Klaus; Peter J. Winzer; Kazuhide Nakajima (Proc. IEEE, 2022)