Katsuhiro Takenaga

Publication Activity (10 Years)

Years Active: 2006-2024
Publications (10 Years): 33

Top Topics

Close Proximity

Magnetic Recording

Top Venues

IEICE Electron. Express

Publications

Kazuhiko Aikawa, Takuya Oda, Shota Kajikawa, Kohei Ozaki, Mayu Iizuka, Katsuhiro Takenaga, Akito Nishimura, Kentaro Ichii
Development of Four-Core MCFs with Standard Cladding Diameter from High-Core-Count MCFs. OFC (2024)
Shota Kajikawa, Mayu Iizuka, Takuya Oda, Katsuhiro Takenaga, Kentaro Ichii
High-Density Weakly-Coupled 4-core MCF with 160-μm Coating for O-band Application. OFC (2024)
Takuya Oda, Shota Kajikawa, Katsuhiro Takenaga, Okimi Mukai, Daiki Takeda, Nikhil Angra, Usman Nasir, Jongchul Park, Jing Zhang, Victor Kopp, Daniel Neugroschl, Kentaro Ichii
Loss performance of field-deployed high-density 1152-channel link constructed with 4-core multicore fiber cable. OFC (2023)
Shota Kajikawa, Tsubasa Saito, Katsuhiro Takenaga, Kentaro Ichii
Characteristics of Over 600-km-Long 4-core MCF Drawn from a Single Preform. OFC (2023)
Mayu Nakagawa, Masaki Ohzeki, Yusuke Sasaki, Katsuhiro Takenaga, Kentaro Ichii
Estimating Crosstalk Between Diagonal Cores in Four-Core Fibers with Square Lattice Structure. OECC/PSC (2022)
Takuya Oda, Osamu Kikuchi, Katsuhiro Takenaga, Kentaro Ichii
Multi-Core Fiber Link with Its Polarity Management in View. OECC/PSC (2022)
Shoichiro Matsuo, Kenji Yamashiro, Yusuke Tsujimoto, Noriaki Yamashita, Okimi Mukai, Yusuke Sasaki, Katsuhiro Takenaga
Ultra-high-density optical cable with advanced optical fibers. OECC/PSC (2022)
Masanori Koshiba, Yasuo Kokubun, Mayu Nakagawa, Masaki Ohzeki, Katsuhiro Takenaga
Behavior of intercore crosstalk in square-layout uncoupled four-core fibers. IEICE Electron. Express 19 (18) (2022)
Masaki Ohzeki, Yusuke Sasaki, Katsuhiro Takenaga, Kentaro Ichii, Kazuhiko Aikawa
Side-view Rotational Alignment Method for Trench-assisted 4-core Fibers. OFC (2022)
Yusuke Sasaki, Ryohei Fukumoto, Katsuhiro Takenaga, Shogo Shimizu, Kazuhiko Aikawa
Optical Fiber Cable Employing 200 µm-Coated Multicore Fibers for High Density Wiring in Datacom. OFC (2021)
Yusuke Sasaki, Ryohei Fukumoto, Katsuhiro Takenaga, Shogo Shimizu, Kazuhiko Aikawa
Variations in the Optical Characteristics of 200 μm and 250 μm Coated Multicore Fibres Owing to Cabling. ECOC (2021)
Yusuke Sasaki, M. Ozeki, Katsuhiro Takenaga, Kazuhiko Aikawa
Asymmetrically Arranged 8-Core Fibers with Center Core Suitable for Side-View Alignment in Datacenter Networks. OFC (2020)
Kenta Nishimura, Takanori Sato, Takeshi Fujisawa, Yoshimichi Amma, Katsuhiro Takenaga, Kazuhiko Aikawa, Kunimasa Saitoh
Cladding Diameter Dependence of Inter-Core Crosstalk in Heterogeneous Multicore Fibers. OECC/PSC (2019)
Yusuke Sasaki, Katsuhiro Takenaga, Kazuhiko Aikawa
Multicore Fiber Connectors with Small Mode Field Diameter. OECC/PSC (2019)
Ryohei Fukumoto, Katsuhiro Takenaga, Kazuhiko Aikawa
Multi-core Fiber Fabrication in Over-Cladding Bundled Rods Method Applying Polygonal Rods. OECC/PSC (2019)
S. Saitoh, Katsuhiro Takenaga, Kazuhiko Aikawa
Demonstration of a Rectangularly-Arranged Strongly-Coupled Multi-Core Fiber. OFC (2018)
Kohki Shibahara, Takayuki Mizuno, Doowhan Lee, Yutaka Miyamoto, Hirotaka Ono, Kazuhide Nakajima, Yoshimichi Amma, Katsuhiro Takenaga, Kunimasa Saitoh
Iterative Unreplicated Parallel Interference Canceler for MDL-Tolerant Dense SDM 12-Core×3-Mode Transmission Over 3000 km. ECOC (2018)
Talha Rahman, Bernhard Spinnler, Stefano Calabrò, Erik De Man, Klaus Pulverer, Bernd Sommerkorn-Krombholz, Carlos Castro, Takayuki Mizuno, Yutaka Miyamoto, Katsuhiro Takenaga, Saurabh Jain, Yongmin Jung, Shaif-Ul Alam, Toshio Morioka
108 Tb/s Transmission Over 120 km of 7-Core Multicore Fiber with Integrated Cladding Pumped Multicore Amplifiers. ECOC (2018)
Taiji Sakamoto, Kunimasa Saitoh, Shota Saitoh, Yoshiteru Abe, Katsuhiro Takenaga, Azusa Urushibara, Masaki Wada, Takashi Matsui, Kazuhiko Aikawa, Kazuhide Nakajima
120 Spatial Channel Few-Mode Multi-Core Fibre with Relative Core Multiplicity Factor Exceeding 100. ECOC (2018)
Kohki Shibahara, Takayuki Mizuno, L. Doowhan, Yutaka Miyamoto, Hirotaka Ono, Kazuhide Nakajima, S. Saitoh, Katsuhiro Takenaga, Kunimasa Saitoh
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. OFC (2018)
Md. Nooruzzaman, Kunimasa Saitoh, Yusuke Sasaki, Katsuhiro Takenaga, Kazuhiko Aikawa, Toshio Morioka
Non-circular multi-core fibers for super-dense SDM. IEICE Electron. Express 15 (19) (2018)
Yusuke Sasaki, Katsuhiro Takenaga, Kazuhiko Aikawa
High Density Uncoupled Multicore Fibres Employing Thermal Expanded Core Techniques for Low Connection Loss. ECOC (2018)
Saki Nozoe, Ryohei Fukumoto, Taiji Sakamoto, Takashi Matsui, Yoshimichi Amma, Katsuhiro Takenaga, Kyozo Tsujikawa, Shinichi Aozasa, Kazuhiko Aikawa, Kazuhide Nakajima
Low crosstalk 125 μm-cladding multi-core fiber with limited air-holes fabricated with over-cladding bundled rods technique. OFC (2017)
Carlos Castro, Saurabh Jain, Yongmin Jung, Erik De Man, Stefano Calabrò, Klaus Pulverer, Marc Bohn, John R. Hayes, Shaif-Ul Alam, David J. Richardson, Katsuhiro Takenaga, Takayuki Mizuno, Yutaka Miyamoto, Toshio Morioka, Werner Rosenkranz
200 Gbit/s 16QAM WDM transmission over a fully integrated cladding pumped 7-core MCF system. OFC (2017)
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
Improved cladding-pumped 32-core multicore fiber amplifier. ECOC (2017)
Yusuke Sasaki, Katsuhiro Takenaga, Kazuhiko Aikawa, Yutaka Miyamoto, Toshio Morioka
Single-mode 37-core fiber with a cladding diameter of 248 μm. OFC (2017)
Saki Nozoe, Taiji Sakamoto, Takashi Matsui, Yoshimichi Amma, Katsuhiro Takenaga, Yoshiteru Abe, Kyozo Tsujikawa, Shinichi Aozasa, Kazuhiko Aikawa, Kazuhide Nakajima
125 μm-cladding 2LP-mode and 4-core Multi-core Fibre with Air-hole Structure for Low Crosstalk in C+L Band. ECOC (2017)
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
High Spatial Density Six-mode Seven-core Fibre for Repeated Dense SDM Transmission. ECOC (2017)
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
In-service crosstalk monitoring for dense space division multiplexed multi-core fiber transmission systems. OFC (2017)
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
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. OFC (2017)
Takayuki Mizuno, Kohki Shibahara, Hirotaka Ono, Y. Abe, Yutaka Miyamoto, F. Ye, Toshio Morioka, Yusuke Sasaki, Yoshimichi Amma, Katsuhiro Takenaga, S. Matsuo, Kazuhiko Aikawa, Kunimasa Saitoh, Yongmin Jung, David J. Richardson, Klaus Pulverer, Marc Bohn, M. Yamada
32-core Dense SDM unidirectional transmission of PDM-16QAM signals over 1600 km using crosstalk-managed single-mode heterogeneous multicore transmission line. OFC (2016)
Katsuhiro Takenaga, Shoichiro Matsuo, Kunimasa Saitoh, Toshio Morioka, Yutaka Miyamoto
High-density multicore fibers. OFC (2016)
Taiji Sakamoto, Takashi Matsui, Kunimasa Saitoh, S. Saitoh, Katsuhiro Takenaga, Takayuki Mizuno, Yoshiteru Abe, Kohki Shibahara, Y. Tobita, Shinji Matsuo, Kazuhiko Aikawa, Shinichi Aozasa, Kazuhide Nakajima, Yutaka Miyamoto
Low-loss and Low-DMD few-mode multi-core fiber with highest core multiplicity factor. OFC (2016)
Yusuke Sasaki, S. Saitoh, Yoshimichi Amma, Katsuhiro Takenaga, S. Matsuo, Kunimasa Saitoh, Toshio Morioka, Yutaka Miyamoto
Quasi-single-mode homogeneous 31-core fibre. ECOC (2015)
S. Saitoh, Yusuke Sasaki, Katsuhiro Takenaga, M. Ohashi, Kunimasa Saitoh, Kazuhide Nakajima, Shinji Matsuo
Measurement of inter-core crosstalk in few-mode multicore fibre. ECOC (2015)
Taiji Sakamoto, Takashi Matsui, Kunimasa Saitoh, Shota Saitoh, Katsuhiro Takenaga, Shoichiro Matsuo, Yuki Tobita, Nobutomo Hanzawa, Kazuhide Nakajima, Fumihiko Yamamoto
Few-mode multi-core fibre with highest core multiplicity factor. ECOC (2015)
Shoichiro Matsuo, Katsuhiro Takenaga, Kunimasa Saitoh, Kazuhide Nakajima, Yutaka Miyamoto, Toshio Morioka
High-spatial-multiplicity multi-core fibres for future dense space-division-multiplexing system. ECOC (2015)
Yoshimichi Amma, Yusuke Sasaki, Katsuhiro Takenaga, S. Matsuo, J. Tu, Kunimasa Saitoh, Masanori Koshiba, Toshio Morioka, Yutaka Miyamoto
High-density multicore fiber with heterogeneous core arrangement. OFC (2015)
M. Ohashi, H. Uemura, Katsuhiro Takenaga, S. Matsuo, Hirokazu Kubota, Y. Miyoshi
Simultaneous measurements of cores in multi-core fibre using OTDR and fan-in/out devices. ECOC (2015)
Yusuke Sasaki, Yoshimichi Amma, Katsuhiro Takenaga, Shoichiro Matsuo, Kunimasa Saitoh, Masanori Koshiba
Few-mode multicore fibre with 36 spatial modes (Three modes (LP01, LP11a, LP11b) ×12 cores). ECOC (2014)
Itaru Ishida, Yoshimichi Amma, Keisuke Hirakawa, Hitoshi Uemura, Yusuke Sasaki, Katsuhiro Takenaga, Naoto Itou, Ken Osato, Shoichiro Matsuo
. OFC (2014)
Takayuki Mizuno, Takayuki Kobayashi, Hidehiko Takara, Akihide Sano, Hiroto Kawakami, T. Nakagawa, Yutaka Miyamoto, Yoshiteru Abe, T. Goh, Manabu Oguma, Taiji Sakamoto, Yusuke Sasaki, Itaru Ishida, Katsuhiro Takenaga, Shoichiro Matsuo, Kunimasa Saitoh, Toshio Morioka
12-core × 3-mode dense space division multiplexed transmission over 40 km employing multi-carrier signals with parallel MIMO equalization. OFC (2014)
H. Uemura, Yusuke Sasaki, S. Nishimoto, Takui Uematsu, Katsuhiro Takenaga, K. Omichi, R. Goto, Shinji Matsuo, Kunimasa Saitoh
Mode multiplexer/demultiplexer based on a partially elongated multi-core fiber. OFC (2014)
Katsuhiro Takenaga, H. Uemura, Yusuke Sasaki, S. Nishimoto, Takui Uematsu, K. Omichi, R. Goto, S. Matsuo, Kunimasa Saitoh
Multicore fibre-based mode multiplexer/demultiplexer for three-mode operation of LP01, LP11a, and LP11b. ECOC (2014)
Makoto Yamada, Hirotaka Ono, Norihiko Sakai, Katsuhiro Takenaga, Shoichiro Matsuo
Theoretical study of crosstalk characteristics for multi-core optical fiber amplifiers. OFC/NFOEC (2013)
Itaru Ishida, T. Akamatsu, Z. Wang, Yusuke Sasaki, Katsuhiro Takenaga, S. Matsuo
Possibility of stack and draw process as fabrication technology for multi-core fiber. OFC/NFOEC (2013)
S. Matsuo, Yusuke Sasaki, I. Ishida, Katsuhiro Takenaga, Kunimasa Saitoh, Masanori Koshiba
Recent progress on multi-core fiber and few-mode fiber. OFC/NFOEC (2013)
Yusuke Sasaki, Yoshimichi Amma, Katsuhiro Takenaga, S. Matsuo, Kunimasa Saitoh, Masanori Koshiba
Investigation of crosstalk dependencies on bending radius of heterogeneous multicore fiber. OFC/NFOEC (2013)
Katsuhiro Takenaga, Yoko Arakawa, Shoji Tanigawa, Ning Guan, Shoichiro Matsuo, Kunimasa Saitoh, Masanori Koshiba
An Investigation on Crosstalk in Multi-Core Fibers by Introducing Random Fluctuation along Longitudinal Direction. IEICE Trans. Commun. (2) (2011)
Shoichiro Matsuo, Katsuhiro Takenaga, Yoko Arakawa, Yusuke Sasaki, Shoji Tanigawa, Kunimasa Saitoh, Masanori Koshiba
Crosstalk behavior of multi-core fiber with structural parameter drift in longitudinal direction. IEICE Electron. Express 8 (17) (2011)
Masahiro Kashiwagi, Katsuhiro Takenaga, Kentaro Ichii, Tomoharu Kitabayashi, Shoji Tanigawa, Kensuke Shima, Shoichiro Matsuo, Munehisa Fujimaki, Kuniharu Himeno
Yb-Doped and Hybrid-Structured Solid Photonic Bandgap Fibers and Linearly-Polarized Fiber Lasers Oscillating above 1160 nm. IEICE Trans. Electron. (7) (2011)
Shoichiro Matsuo, Katsuhiro Takenaga, Yoko Arakawa, Yusuke Sasaki, Shoji Tanigawa, Kunimasa Saitoh, Masanori Koshiba
Crosstalk behavior of cores in multi-core fiber under bent condition. IEICE Electron. Express 8 (6) (2011)
Ning Guan, Katsuaki Izoe, Katsuhiro Takenaga, Ryuji Suzuki, Kazuhiko Aikawa, Kuniharu Himeno
Holey Fibers for Low Bending Loss. IEICE Trans. Electron. (2) (2006)