Akio Tajima

18 papers Journal 10Unranked 8
YearRankTypeTitle / Venue / Authors
2024 J jnl
A Method for Simulating an Information System with Life Cycle Simulation.
Int. J. Autom. Technol.
Tomoyuki Tamura, Ryota Odagaki, Yusuke Kishita, Yasushi Umeda, Gaku Miyake, Genichiro Matsuda, Akio Tajima
2019 — conf
Submilisecond Control/Monitoring of Disaggregated Optical Node through a Direct Memory Access based Architecture.
OFC
Kiyo Ishii, Shigeyuki Yanagimachi, Akio Tajima, Shu Namiki
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
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
2017 J jnl
First Demonstration of Mode Selective Active Multimode Interferometer Laser Diode.
IEICE Trans. Electron.
Bingzhou Hong, Takuya Kitano, Haisong Jiang, Akio Tajima, Kiichi Hamamoto
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
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
2014 J jnl
Split pump region in 1.55 μm InGaAsP/InGaAsP asymmetric active multi-mode interferometer laser diode for improved modulation bandwidth.
IEICE Trans. Electron.
Mohammad Nasir Uddin, Takaaki Kizu, Yasuhiro Hinokuma, Kazuhiro Tanabe, Akio Tajima, Kazutoshi Kato, Kiichi Hamamoto
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
2012 J jnl
CW single-wavelength emission by using novel asymmetric configuration for active multi-mode interferometer laser diodes.
IEICE Electron. Express
Yasuhiro Hinokuma, Yutaka Chaen, Haisong Jiang, Takuma Hagio, Seiki Nakamura, Akio Tajima, Kiichi Hamamoto
2010 J jnl
High Speed Quantum Key Distribution System.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Akio Tajima, Akihiro Tanaka, Seigo Takahashi, Ken-ichiro Yoshino, Yoshihiro Nambu
2010 J jnl
Next Generation Optical Access Network: Standardization Outline and Key Technologies for Co-existence with Legacy Systems.
IEICE Trans. Electron.
Akio Tajima, Hiroki Yanagisawa, Seigo Takahashi
1999 J jnl
A 2.125-Gb/s BiCMOS fiber channel transmitter for serial data communications.
IEEE J. Solid State Circuits
Muneo Fukaishi, Satoshi Nakamura, Akio Tajima, Yasushi Kinoshita, Yoshihiko Suemura, Hisamitsu Suzuki, Toshiro Itani, Hidenobu Miyamoto, Naoya Henmi, Tohru Yamazaki, Michio Yotsuyanagi