Kohki Shibahara

According to our database, Kohki Shibahara authored at least 34 papers between 2015 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of three.

2023

Long-Haul Unidirectional Transmission over Weakly-Coupled MCF with Distance-Insensitive Inter-Core Skew Spread.

Kohki Shibahara, Megumi Hoshi, Takashi Matsui, Takayoshi Mori, Kazuhide Nakajima, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

10-spatial-mode 1300-km Transmission over 6-LP Graded Index Few-Mode Fiber with 36-ns Modal Dispersion.

Kohki Shibahara, Megumi Hoshi, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

Remote Digital Holographic Characterization of a 75.2 km Few-Mode Fiber without Reference Wave Transfer.

Akira Kawai, Shimpei Shimizu, Kohki Shibahara, Takayuki Kobayashi, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

2022

Few-Mode Fiber Technology, Deployments, and Systems.

Pierre Sillard, Kaoutar Benyahya, Daiki Soma, Guillaume Labroille, Pu Jian, Koji Igarashi, Roland Ryf, Nicolas K. Fontaine, Georg Rademacher, Kohki Shibahara

Proc. IEEE, 2022

Power-saving Aware SDM Photonic Node with the Throughput Scalable to over Peta bit.

Fumikazu Inuzuka, Hiroshi Hasegawa, Kohki Shibahara, Hidenori Takahashi, Takahiro Tsuritani, Kazunori Seno, Naru Nemoto, Emmanuel Le Taillandier de Gabory, Shigeyuki Yanagimachi, Taiji Sakamoto, Kazuhide Nakajima, Masanori Takahashi, Ryuichi Sugizaki, Ryo Nagase, Ken-ichi Sato, Yutaka Miyamoto

Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022

Mitigation of Intercore Crosstalk Impact with PPLN-based Optical Spectrum Inversion.

Megumi Hoshi, Kohki Shibahara, Shimpei Shimizu, Takayuki Kobayashi, Takeshi Umeki, Takushi Kazama, Kei Watanabe, Takayoshi Mori, Yusuke Yamada, Kazuhide Nakajima, Yutaka Miyamoto

Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022

SDM-TDM Reception Based on MIMO Carrier Phase Recovery Technique for Scalable SDM Transmission.

Kohki Shibahara, Megumi Hoshi, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

2021

High Spatial Channel Count Multicore SDM Amplifiers.

Saurabh Jain, Taiji Sakamoto, Yongmin Jung, Pranabesh Barua, Ian A. Davidson, John R. Hayes, Kohki Shibahara, T. Mizuno, Yutaka Miyamoto, Kazuhide Nakajima, David J. Richardson

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021

2020

Long-Haul DMD-Unmanaged 6-Mode-Multiplexed Transmission Employing Cyclic Mode-Group Permutation.

Kohki Shibahara, Takayuki Mizuno, Hirotaka Ono, Kazuhide Nakajima, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

High Spatial Density 6-Mode 7-Core Fibre Amplifier for C-band Operation.

Saurabh Jain, Taiji Sakamoto, Yongmin Jung, Ian A. Davidson, Pranabesh Barua, John R. Hayes, Kohki Shibahara, Takayuki Mizuno, Yutaka Miyamoto, Kazuhide Nakajima, David J. Richardson

Proceedings of the European Conference on Optical Communications, 2020

2019

Long-Haul SDM Transmission Using Mode Division Multiplexing.

Kohki Shibahara, Takayuki Mizuno, Takayuki Kobayashi, Yutaka Miyamoto

Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019

Full C-Band 3060-km DMD-Unmanaged 3-Mode Transmission with 40.2-Tb/s Capacity using Cyclic Mode Permutation.

Kohki Shibahara, Takayuki Mizuno, Hiroto Kawakami, Takayuki Kobayashi, Masanori Nakamura, Kota Shikama, Kazuhide Nakajima, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

Mode-Division Multiplexing Systems for High-Capacity Optical Transport Network.

Yutaka Miyamoto, Kohki Shibahara, Takayuki Mizuno, Takayuki Kobayashi

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

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, Kazuhide Nakajima, S. Saitoh, Katsuhiro Takenaga, Kunimasa Saitoh

Proceedings of the Optical Fiber Communications Conference and Exposition, 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, Kazuhide Nakajima, Yoshimichi Amma, Katsuhiro Takenaga, Kunimasa Saitoh

Proceedings of the European Conference on Optical Communication, 2018

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, Yutaka Miyamoto

Proceedings of the European Conference on Optical Communication, 2018

2017

Advanced Signal Processing for Fiber-Optic Communication Systems Scaling Capacity Beyond 100 Tb/s.

Kohki Shibahara

PhD thesis, 2017

Signal processing techniques for DMD and MDL mitigation in dense SDM transmissions.

Kohki Shibahara, Takayuki Mizuno, D. Lee, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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, Kazuhiko Aikawa, Toshio Morioka

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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, Yusuke Sasaki, Katsuhiro Takenaga, Kazuhiko Aikawa, Kunimasa Saitoh, Yongmin Jung, David J. Richardson, Klaus Pulverer, Marc Bohn, Md. Nooruzzaman, Toshio Morioka

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

LDPC-coded FMF Transmission Employing Unreplicated Successive Interference Cancellation for MDL-Impact Mitigation.

Kohki Shibahara, Takayuki Mizuno, Yutaka Miyamoto

Proceedings of the European Conference on Optical Communication, 2017

High Spatial Density Six-mode Seven-core Fibre for Repeated Dense SDM Transmission.

Taiji Sakamoto, Kunimasa Saitoh, Shota Saitoh, Kohki Shibahara, Masaki Wada, Yoshiteru Abe, Azusa Urushibara, Katsuhiro Takenaga, Takayuki Mizuno, Takashi Matsui, Kazuhiko Aikawa, Yutaka Miyamoto, Kazuhide Nakajima

Proceedings of the European Conference on Optical Communication, 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, Kazuhiko Aikawa, Saurabh Jain, Yongmin Jung, Shaif-Ul Alam, David J. Richardson, Md. Nooruzzaman, Toshio Morioka

Proceedings of the European Conference on Optical Communication, 2017

Hybrid Cladding-pumped EDFA/Raman for SDM Transmission Systems Using Core-by-core Gain Control Scheme.

Takayuki Mizuno, Akira Isoda, Kohki Shibahara, Hirotaka Ono, Mitsunori Fukutoku, Yutaka Miyamoto

Proceedings of the European Conference on Optical Communication, 2017

Improved cladding-pumped 32-core multicore fiber amplifier.

Saurabh Jain, Takayuki Mizuno, Yongmin Jung, Akira Isoda, Kohki Shibahara, John R. Hayes, Yusuke Sasaki, Katsuhiro Takenaga, Yutaka Miyamoto, Shaif-Ul Alam, David J. Richardson

Proceedings of the European Conference on Optical Communication, 2017

Crosstalk Analysis of 32-Core Dense Space Division Multiplexed System for Higher Order Modulation Formats Using an Integrated Cladding-Pumped Amplifier.

Carlos Castro, Saurabh Jain, Yongmin Jung, Erik De Man, Stefano Calabrò, Klaus Pulverer, Marc Bohn, John R. Hayes, Shaif-Ul Alam, David J. Richardson, Yusuke Sasaki, Takayuki Mizuno, Kohki Shibahara, Takayuki Kobayashi, Yutaka Miyamoto, Toshio Morioka, Werner Rosenkranz

Proceedings of the European Conference on Optical Communication, 2017

2016

Space-time coding-assisted transmission for mitigation of MDL impact on mode-division multiplexed signals.

Kohki Shibahara, Takayuki Mizuno, Hidehiko Takara, H. Kawakami, D. Lee, Yutaka Miyamoto, S. Matsuo, Kunimasa Saitoh, Makoto Yamada

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016

Low-loss and Low-DMD few-mode multi-core fiber with highest core multiplicity factor.

Taiji Sakamoto, Takashi Matsui, Kunimasa Saitoh, S. Saitoh, Katsuhiro Takenaga, Takayuki Mizuno, Yoshiteru Abe, Kohki Shibahara, Yuki Tobita, Shinji Matsuo, Kazuhiko Aikawa, Shinichi Aozasa, Kazuhide Nakajima, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016

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, Y. Abe, Yutaka Miyamoto, Feihong Ye, Toshio Morioka, Yusuke Sasaki, Yoshimichi Amma, Katsuhiro Takenaga, S. Matsuo, Kazuhiko Aikawa, Kunimasa Saitoh, Yongmin Jung, David J. Richardson, Klaus Pulverer, Marc Bohn, Makoto Yamada

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016

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, Manabu Oguma, Yoshiteru Abe, Takayuki Kobayashi, Takashi Matsui, Ryohei Fukumoto, Yoshimichi Amma, T. Hosokawa, S. Matsuo, Kunimasa Saitoh, H. Nasu, Toshio Morioka

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Multi-stage successive interference cancellation for spectrally-efficient super-Nyquist transmission.

Kohki Shibahara, Akira Masuda, Shingo Kawai, Mitsunori Fukutoku

Proceedings of the European Conference on Optical Communication, 2015

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, Y. Abe, Takashi Matsui, S. Matsuo, Kunimasa Saitoh, Y. Kimura

Proceedings of the European Conference on Optical Communication, 2015

Adaptive MIMO equalization for few-mode fiber transmission with various differential mode delays.

D. Lee, Kohki Shibahara, Takayuki Kobayashi, Takayuki Mizuno, Hidehiko Takara, Akihide Sano, Hiroto Kawakami, T. Nakagawa, Yutaka Miyamoto

Proceedings of the European Conference on Optical Communication, 2015

A Practical channel modeling method for few-mode optical fiber communication systems.

Doohwan Lee, Kohki Shibahara, Tadao Nakagawa, Yutaka Miyamoto, Chitradeep Majumdar

Proceedings of the 21st Asia-Pacific Conference on Communications, 2015