Hitoshi Takeshita

30 papers Journal 5Unranked 25

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	Bidirectional 4-core MC-EDFA featuring integrated optical components and inter-core optical loopback function. OFC Hitoshi Takeshita, Yusuke Shimomura, Wakako Maeda
2025	—	`conf`	FIFO-less Bidirectional Core-Pumped 4-core MC-EDFA Featuring with Multicore Isolator / Pump Combiner Hybrids. ECOC Hitoshi Takeshita, Yusuke Shimomura, Wakako Maeda
2024	—	`conf`	Transmission capacity expansion using bidirectional multicore EDFA under bidirectional signal assignment. OFC Hitoshi Takeshita, Yusuke Shimomura, Kohei Hosokawa
2023	J	`jnl`	Bidirectional single-multicore-fiber spatial channel network based on a spatial cross-connect and multicore EDFA that efficiently accommodates asymmetric data traffic. JOCN 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
2023	—	`conf`	Single Multicore-Fiber Bidirectional Spatial Channel Network Based on Spatial Cross-Connect and Multicore EDFA Efficiently Accommodating Asymmetric Traffic. OFC 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
2023	—	`conf`	Technologies for Optical Submarine Cables: Past Present & Future. OFC Yuichi Nakamura, Hitoshi Takeshita
2022	—	`conf`	First Demonstration of Uncoupled 4-Core Multicore Fiber in a Submarine Cable Prototype with Integrated Multicore EDFA. OFC Hitoshi Takeshita, Kohei Nakamura, Yuushi Matsuo, Takanori Inoue, Daishi Masuda, Tetsuya Hiwatashi, Kohei Hosokawa, Yoshihisa Inada, Emmanuel Le Taillandier de Gabory
2022	—	`conf`	Novel Bidirectional Multicore EDFA Based on Twin Turbo Cladding Pumping Using Bidirectional Pumping and Recycling. OECC/PSC Hitoshi Takeshita, Yusuke Shimomura, Shoma Tateno, Kohei Hosokawa, Emmanuel Le Taillandier de Gabory
2020	—	`conf`	Evaluation of the Signal Amplified by CC-MC-EDFA under Inter-core Crosstalk Using a Scalable SDM/TDM Translation Method. ECOC Hitoshi Takeshita, Manabu Arikawa, Keiichi Matsumoto, Kohei Hosokawa, Emmanuel Le Taillandier de Gabory
2020	—	`conf`	Real-Time Optical Gain Monitoring for Coupled Core Multi-Core EDFA with Strong Inter-Core Crosstalk. OFC Hitoshi Takeshita, Keiichi Matsumoto, Hidemi Noguchi, Emmanuel Le Taillandier de Gabory
2019	—	`conf`	Core Dependence of the Optical Gain of Turbo Cladding Pumped 7-core MC-EDFA. OECC/PSC Hitoshi Takeshita, Keiichi Matsumoto, Shigeyuki Yanagimachi, Emmanuel Le Taillandier de Gabory
2019	J	`jnl`	Improved Optical Amplification Efficiency by Using Turbo Cladding Pumping Scheme for Multicore Fiber Optical Networks. IEICE Trans. Commun. Hitoshi Takeshita, Keiichi Matsumoto, Hiroshi Hasegawa, Ken-ichi Sato, Emmanuel Le Taillandier de Gabory
2019	—	`conf`	Improvement of the Pump Recycling Ratio of Turbo Cladding Pumped MC-EDFA with Paired Spatial Pump Combiner and Splitter. OFC Hitoshi Takeshita, Keiichi Matsumoto, Shigeyuki Yanagimachi, Emmanuel Le Taillandier de Gabory
2019	—	`conf`	Past, Current and Future Technologies for Optical Submarine Cables. PHOTONICS@SC Hitoshi Takeshita, Masaki Sato, Yoshihisa Inada, Emmanuel Le Taillandier de Gabory, Yuichi Nakamura
2019	—	`conf`	Reduction in Power Consumption in Multi-Core Amplifier. OFC Emmanuel Le Taillandier de Gabory, Hitoshi Takeshita, Keiichi Matsumoto, Shigeyuki Yanagimachi
2018	J	`jnl`	Enhancing Protection Performance by Effectively Using Spectral Slots of Impairment-Aware Elastic Optical Networks [Invited]. JOCN Hitoshi Takeshita, Takefumi Oguma, Shinsuke Fujisawa, Yuta Suzuki, Baku Yatabe, Akio Tajima, Hiroshi Hasegawa, Ken-ichi Sato
2018	—	`conf`	Experimental Demonstration of 1480nm Cladding Pumped Multicore EDFA. ECOC Keiichi Matsumoto, Hitoshi Takeshita, K. Maeda, Shigehiro Takasaka, Ryuichi Sugizaki, Emmanuel Le Taillandier de Gabory
2018	—	`conf`	Low-loss Silicon Photonic Switch Module Technology and Its Use for to Transponder Aggregators in Optical Network Nodes. OFC Shigeru Nakamura, Shigeyuki Yanagimachi, Hitoshi Takeshita, Akio Tajima
2018	—	`conf`	Reduction of the Power Consumption in a WDM/SDM Network by using Cladding Pump Scheme MC-EDFA with Impairment Aware Least Wavelength Bandwidth Routing. OFC Hitoshi Takeshita, Keiichi Matsumoto, Emmanuel Le Taillandier de Gabory
2018	—	`conf`	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. ECOC Hitoshi Takeshita, Keiichi Matsumoto, Emmanuel Le Taillandier de Gabory
2017	—	`conf`	Demonstration of fast cooperative operations in disaggregated optical node systems. OFC Kiyo Ishii, Satoshi Suda, Shigeyuki Yanagimachi, Hitoshi Takeshita, Dai Suzuki, Takafumi Terahara, Shu Namiki
2017	—	`conf`	Network fault protection performance enhancement by using elastic optical path. OFC Hitoshi Takeshita, Takefumi Oguma, Shinsuke Fujisawa, Yuta Suzuki, Baku Yatabe, Akio Tajima
2017	—	`conf`	Optical Node with Passband Overlapped Filter and Impairment Aware Least Slot Count Path First Algorithm for Guardband-Less Elastic Optical Network. ECOC Hitoshi Takeshita, Takefumi Oguma, Shinsuke Fujisawa, Baku Yatabe, Yuta Suzuki, Akio Tajima, Emmanuel Le Taillandier de Gabory
2017	—	`conf`	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. ECOC Emmanuel Le Taillandier de Gabory, Keiichi Matsumoto, Sadao Fujita, Hitoshi Takeshita, Shigeyuki Yanagimachi
2015	—	`conf`	Compact and low-loss 8×8 silicon photonic switch module for transponder aggregators in CDC-ROADM application. OFC Shigeru Nakamura, Shigeyuki Yanagimachi, Hitoshi Takeshita, Akio Tajima, Tomoaki Kato, Tomoyuki Hino, Kiyoshi Fukuchi
2015	—	`conf`	Utilization of spectrum slot fragmentation to improve network resource efficiency on elastic optical network. OFC Shinsuke Fujisawa, Hitoshi Takeshita, Tomoyuki Hino, Akio Tajima, Kiyoshi Fukuchi
2014	J	`jnl`	A Proposal of Cyclic Sleep Control Technique for Backup Resources in ROADM Systems to Reduce Power Consumption of Photonic Network. IEICE Trans. Commun. Tomoyuki Hino, Hitoshi Takeshita, Kiyo Ishii, Junya Kurumida, Shu Namiki, Shigeru Nakamura, Akio Tajima
2014	—	`conf`	First demonstration of ultra-low-energy hierarchical multi-granular optical path network dynamically controlled through NSI-CS for video related applications. ECOC 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
2013	—	`conf`	All-optical wide-area node connections assisted with optical parametric regeneration and wavelength conversion. OFC/NFOEC Junya Kurumida, Hitoshi Takeshita, Kenji Mizutani, Kiyo Ishii, Akio Tajima, Shu Namiki
2013	J	`jnl`	Prototype Highly Integrated 8×48 Transponder Aggregator Based on Si Photonics for Multi-Degree Colorless, Directionless, Contentionless Reconfigurable Optical Add/Drop Multiplexer. IEICE Trans. Electron. Hitoshi Takeshita, Tomoyuki Hino, Kiyo Ishii, Junya Kurumida, Shu Namiki, Shigeru Nakamura, Shigeki Takahashi, Akio Tajima