Hitoshi Takeshita

According to our database, Hitoshi Takeshita authored at least 28 papers between 2013 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Transmission capacity expansion using bidirectional multicore EDFA under bidirectional signal assignment.

Hitoshi Takeshita, Yusuke Shimomura, Kohei Hosokawa

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

2023

Bidirectional single-multicore-fiber spatial channel network based on a spatial cross-connect and multicore EDFA that efficiently accommodates asymmetric data traffic.

Kyosuke Nakada, Hitoshi Takeshita, Yuki Kuno, Yusuke Matsuno, Itsuki Urashima, Yusuke Shimomura, Yuji Hotta, Tsubasa Sasaki, Yudai Uchida, Kohei Hosokawa, Ryohei Otowa, Rika Tahara, Emmanuel Le Taillandier de Gabory, Yasuki Sakurai, Ryuichi Sugizaki, Masahiko Jinno

JOCN, 2023

Technologies for Optical Submarine Cables: Past Present & Future.

Yuichi Nakamura, Hitoshi Takeshita

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

Single Multicore-Fiber Bidirectional Spatial Channel Network Based on Spatial Cross-Connect and Multicore EDFA Efficiently Accommodating Asymmetric Traffic.

Kyosuke Nakada, Hitoshi Takeshita, Yuki Kuno, Yusuke Matsuno, Itsuki Urashima, Yusuke Shimomura, Yuji Hotta, Tsubasa Sasaki, Yudai Uchida, Kohei Hosokawa, Ryohei Otowa, Rika Tahara, Emmanuel Le Taillandier de Gabory, Yasuki Sakurai, Ryuichi Sugizaki, Masahiko Jinno

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

2022

Novel Bidirectional Multicore EDFA Based on Twin Turbo Cladding Pumping Using Bidirectional Pumping and Recycling.

Hitoshi Takeshita, Yusuke Shimomura, Shoma Tateno, Kohei Hosokawa, Emmanuel Le Taillandier de Gabory

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

First Demonstration of Uncoupled 4-Core Multicore Fiber in a Submarine Cable Prototype with Integrated Multicore EDFA.

Hitoshi Takeshita, Kohei Nakamura, Yuushi Matsuo, Takanori Inoue, Daishi Masuda, Tetsuya Hiwatashi, Kohei Hosokawa, Yoshihisa Inada, Emmanuel Le Taillandier de Gabory

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

2020

Real-Time Optical Gain Monitoring for Coupled Core Multi-Core EDFA with Strong Inter-Core Crosstalk.

Hitoshi Takeshita, Keiichi Matsumoto, Hidemi Noguchi, Emmanuel Le Taillandier de Gabory

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

Evaluation of the Signal Amplified by CC-MC-EDFA under Inter-core Crosstalk Using a Scalable SDM/TDM Translation Method.

Hitoshi Takeshita, Manabu Arikawa, Keiichi Matsumoto, Kohei Hosokawa, Emmanuel Le Taillandier de Gabory

Proceedings of the European Conference on Optical Communications, 2020

2019

Improved Optical Amplification Efficiency by Using Turbo Cladding Pumping Scheme for Multicore Fiber Optical Networks.

Hitoshi Takeshita, Keiichi Matsumoto, Hiroshi Hasegawa, Ken-ichi Sato, Emmanuel Le Taillandier de Gabory

IEICE Trans. Commun., 2019

Past, Current and Future Technologies for Optical Submarine Cables.

Hitoshi Takeshita, Masaki Sato, Yoshihisa Inada, Emmanuel Le Taillandier de Gabory, Yuichi Nakamura

Proceedings of the 2019 IEEE/ACM Workshop on Photonics-Optics Technology Oriented Networking, 2019

Core Dependence of the Optical Gain of Turbo Cladding Pumped 7-core MC-EDFA.

Hitoshi Takeshita, Keiichi Matsumoto, Shigeyuki Yanagimachi, Emmanuel Le Taillandier de Gabory

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

Improvement of the Pump Recycling Ratio of Turbo Cladding Pumped MC-EDFA with Paired Spatial Pump Combiner and Splitter.

Hitoshi Takeshita, Keiichi Matsumoto, Shigeyuki Yanagimachi, Emmanuel Le Taillandier de Gabory

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

Reduction in Power Consumption in Multi-Core Amplifier.

Emmanuel Le Taillandier de Gabory, Hitoshi Takeshita, Keiichi Matsumoto, Shigeyuki Yanagimachi

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

2018

Enhancing Protection Performance by Effectively Using Spectral Slots of Impairment-Aware Elastic Optical Networks [Invited].

Hitoshi Takeshita, Takefumi Oguma, Shinsuke Fujisawa, Yuta Suzuki, Baku Yatabe, Akio Tajima, Hiroshi Hasegawa, Ken-ichi Sato

JOCN, 2018

Reduction of the Power Consumption in a WDM/SDM Network by using Cladding Pump Scheme MC-EDFA with Impairment Aware Least Wavelength Bandwidth Routing.

Hitoshi Takeshita, Keiichi Matsumoto, Emmanuel Le Taillandier de Gabory

Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

Low-loss Silicon Photonic Switch Module Technology and Its Use for to Transponder Aggregators in Optical Network Nodes.

Shigeru Nakamura, Shigeyuki Yanagimachi, Hitoshi Takeshita, Akio Tajima

Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

Transmission of 200Gbps PM-16QAM Signal Through 7-Core MCF and MC-EDFA Using Novel Turbo Cladding Pumping Scheme for Improved Efficiency of the Optical Amplification.

Hitoshi Takeshita, Keiichi Matsumoto, Emmanuel Le Taillandier de Gabory

Proceedings of the European Conference on Optical Communication, 2018

Experimental Demonstration of 1480nm Cladding Pumped Multicore EDFA.

Keiichi Matsumoto, Hitoshi Takeshita, K. Maeda, Shigehiro Takasaka, Ryuichi Sugizaki, Emmanuel Le Taillandier de Gabory

Proceedings of the European Conference on Optical Communication, 2018

2017

Network fault protection performance enhancement by using elastic optical path.

Hitoshi Takeshita, Takefumi Oguma, Shinsuke Fujisawa, Yuta Suzuki, Baku Yatabe, Akio Tajima

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

Demonstration of fast cooperative operations in disaggregated optical node systems.

Kiyo Ishii, Satoshi Suda, Shigeyuki Yanagimachi, Hitoshi Takeshita, Dai Suzuki, Takafumi Terahara, Shu Namiki

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

Optical Node with Passband Overlapped Filter and Impairment Aware Least Slot Count Path First Algorithm for Guardband-Less Elastic Optical Network.

Hitoshi Takeshita, Takefumi Oguma, Shinsuke Fujisawa, Baku Yatabe, Yuta Suzuki, Akio Tajima, Emmanuel Le Taillandier de Gabory

Proceedings of the European Conference on Optical Communication, 2017

Transmission of 256Gb/s PM-16QAM Signal through 7-Core MCF and MC-EDFA with Common Cladding and Variable Shared Core Pumping for Reduction of Power Consumption.

Emmanuel Le Taillandier de Gabory, Keiichi Matsumoto, Sadao Fujita, Hitoshi Takeshita, Shigeyuki Yanagimachi

Proceedings of the European Conference on Optical Communication, 2017

2015

Compact and low-loss 8×8 silicon photonic switch module for transponder aggregators in CDC-ROADM application.

Shigeru Nakamura, Shigeyuki Yanagimachi, Hitoshi Takeshita, Akio Tajima, Tomoaki Kato, Tomoyuki Hino, Kiyoshi Fukuchi

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Utilization of spectrum slot fragmentation to improve network resource efficiency on elastic optical network.

Shinsuke Fujisawa, Hitoshi Takeshita, Tomoyuki Hino, Akio Tajima, Kiyoshi Fukuchi

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

2014

A Proposal of Cyclic Sleep Control Technique for Backup Resources in ROADM Systems to Reduce Power Consumption of Photonic Network.

Tomoyuki Hino, Hitoshi Takeshita, Kiyo Ishii, Junya Kurumida, Shu Namiki, Shigeru Nakamura, Akio Tajima

IEICE Trans. Commun., 2014

First demonstration of ultra-low-energy hierarchical multi-granular optical path network dynamically controlled through NSI-CS for video related applications.

Junya Kurumida, Kiyo Ishii, Atsuko Takefusa, Yusuke Tanimura, Shigeyuki Yanagimachi, Hitoshi Takeshita, Akio Tajima, Kiyoshi Fukuchi, H. Honma, W. Odashima, Hiroshi Onaka, Ken Tanizawa, Keijiro Suzuki, Satoshi Suda, Kazuhiro Ikeda, H. Kawashima, H. Uetsuka, Hiroyuki Matsuura, Haruhiko Kuwatsuka, Ken-ichi Sato, Tomohiro Kudoh, Shu Namiki

Proceedings of the European Conference on Optical Communication, 2014

2013

Prototype Highly Integrated 8×48 Transponder Aggregator Based on Si Photonics for Multi-Degree Colorless, Directionless, Contentionless Reconfigurable Optical Add/Drop Multiplexer.

Hitoshi Takeshita, Tomoyuki Hino, Kiyo Ishii, Junya Kurumida, Shu Namiki, Shigeru Nakamura, Shigeki Takahashi, Akio Tajima

IEICE Trans. Electron., 2013

All-optical wide-area node connections assisted with optical parametric regeneration and wavelength conversion.

Junya Kurumida, Hitoshi Takeshita, Kenji Mizutani, Kiyo Ishii, Akio Tajima, Shu Namiki

Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013