Ken-ichi Sato - RankMe

177 papers A* 1B 4C 1Misc 4Journal 88Unranked 79

Year	Rank	Type	Title / Venue / Authors
2024	J	`jnl`	A Fast Control Plane for a Large-Scale and High-Speed Optical Circuit Switch System. CoRR Ryousei Takano, Kiyo Ishii, Toshiyuki Shimizu, Fumihiro Okazaki, Shu Namiki, Ken-ichi Sato
2024	—	`conf`	Cost-effective ROADM Using Wide-bandwidth Silicon Tunable Ring Filter for Drop Operation. OFC Ryosuke Matsumoto, Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki, Takashi Inoue, Kazuhiro Ikeda, Shu Namiki, Ken-ichi Sato
2024	J	`jnl`	Optical switching will innovate intra data center networks [Invited Tutorial]. J. Opt. Commun. Netw. Ken-ichi Sato
2023	—	`conf`	Fast (<9.4 μs) Full-C-Band Tuning of Silicon Photonics Double-Ring Filters using Feed-Forward Control. OFC Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki, Ryosuke Matsumoto, Kazuhiro Ikeda, Ken-ichi Sato
2023	—	`conf`	Optical Switching will Innovate Intra Data Center Networks. OFC Ken-ichi Sato
2023	—	`conf`	Performance Verification of 7, 424 × 7, 424 Optical Switch Offering 1.4 μs Switching Time. OFC Ryosuke Matsumoto, Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki, Takashi Inoue, Kazuhiro Ikeda, Shu Namiki, Ken-ichi Sato
2022	—	`conf`	Demonstration of High-Throughput Intra-Datacenter Switches Using Interleaved AWGs for Nyquist WDM. OFC Takuma Kuno, Takumi Mitsuya, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2022	—	`conf`	Power-saving Aware SDM Photonic Node with the Throughput Scalable to over Peta bit. OECC/PSC Fumikazu Inuzuka, Hiroshi Hasegawa, Kohki Shibahara, Hidenori Takahashi, Takehiro 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
2022	J	`jnl`	Prospects and challenges of optical switching technologies for intra data center networks. JOCN Ken-ichi Sato, Hiroyuki Matsuura, Ryotaro Konoike, Keijiro Suzuki, Kazuhiro Ikeda, Shu Namiki
2022	—	`conf`	Scalable and Fast Optical Circuit Switch Exploiting Colorless Coherent Detection. OFC Ryosuke Matsumoto, Ryotaro Konoike, Keijiro Suzuki, Takashi Inoue, Shu Namiki, Ken-ichi Sato
2021	J	`jnl`	Design and control of highly spectrally efficient photonic networks enabled by fiber-granular routing on overlaid ring-shaped topologies. JOCN Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Paolo Monti
2021	—	`conf`	Fast Optical Switch Utilizing Coherent Detection Enabled by Cooperative Filtering of Transmission Signal and Local Oscillator (LO) Wavelength Sourced from an LO Bank. OFC Ryosuke Matsumoto, Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki, Takashi Inoue, Kazuhiro Ikeda, Shu Namiki, Ken-ichi Sato
2021	J	`jnl`	Fragmentation-Minimized Periodic Network-Bandwidth Expansion Employing Aligned Channel Slot Allocation in Flexible Grid Optical Networks. IEICE Trans. Commun. Hiroshi Hasegawa, Takuma Yasuda, Yojiro Mori, Ken-ichi Sato
2021	J	`jnl`	High-port-count optical circuit switches for intra-datacenter networks [Invited Tutorial]. JOCN Yojiro Mori, Ken-ichi Sato
2021	B	`conf`	How Optical Technologies Can Innovate Intra Data Center Networks. ICCCN Ken-ichi Sato
2020	J	`jnl`	Architecture and Design of Coarse/Fine Hybrid Granular Routing Optical Networks. IEICE Trans. Commun. Yusaku Ito, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2020	J	`jnl`	Assessment of Optical Node Architectures for Building Next Generation Large Bandwidth Networks. IEICE Trans. Commun. Mungun-Erdene Ganbold, Takuma Yasuda, Yojiro Mori, Hiroshi Hasegawa, Fumikazu Inuzuka, Akira Hirano, Ken-ichi Sato
2020	—	`conf`	Demonstration of 4.3 Pbps Optical Circuit Switching for Intra-Datacentre Networks Based on Spatial Super-Channels. ECOC Eiji Honda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2020	—	`conf`	Design and Performance of Large Port Count Optical Switches for Intra Data Centre Application. ICTON Ken-ichi Sato
2020	J	`jnl`	Design of seamlessly and limitlessly expandable OXC and verification tests on its versatile applicability. JOCN Ryota Hashimoto, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2020	—	`conf`	Dynamically Controlled Flexible-Grid Networks Based on Semi-Flexible Spectrum Assignment and Network-State-Value Evaluation. OFC Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2020	—	`conf`	High-Throughput Optical Circuit Switch for Intra-Datacenter Networks Based on Spatial Super-Channels. OFC Eiji Honda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2020	—	`conf`	Large-Scale Optical Switch Architectures for Intra-Datacentre Networks. ECOC Yojiro Mori, Ken-ichi Sato
2020	—	`conf`	Large-Scale and Fast Optical Circuit Switch for Coherent Detection Using Tunable Local Oscillators Formed with Wavelength Bank and Widely-Tunable Silicon Ring Filters. ECOC Ryosuke Matsumoto, Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki, Takashi Inoue, Yojiro Mori, Kazuhiro Ikeda, Shu Namiki, Ken-ichi Sato
2020	—	`conf`	Scalable and Fast Optical Circuit Switch Created with Silicon-Photonic Tunable-Filter-Based Local Oscillator Bank and Colorless Coherent Detection. OFC Ryosuke Matsumoto, Takashi Inoue, Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki, Yojiro Mori, Kazuhiro Ikeda, Shu Namiki, Ken-ichi Sato
2020	J	`jnl`	Transmission-Quality-Aware Online Network Design and Provisioning Enabled by Optical Performance Monitoring. IEICE Trans. Commun. Keisuke Kayano, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Shoichiro Oda, Setsuo Yoshida, Takeshi Hoshida
2019	J	`jnl`	Assessment of Node- and Link- Level Blocking and Creating Cost-Effective Networks in the Era of Large Bandwidth Services. IEICE Trans. Commun. Shuhei Yamakami, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Fumikazu Inuzuka, Akira Hirano
2019	—	`conf`	Demonstration of Quasi-Nyquist WDM Networks using Widely Deployed Wavelength-Selective Switches. OFC Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2019	—	`conf`	Design of and Resiliency Enhancement in Coarse/Fine Hybrid Granular Routing Optical Networks Based on Iterative Path-Pair-Loop Inflation. DRCN Keisuke Itakura, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2019	—	`conf`	Dynamic Control of Transparent Optical Networks with Adaptive State-Value Assessment Enabled by Reinforcement Learning. ICTON Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2019	—	`conf`	Evaluation of WSS Characteristics in Highly Dense WDM Networks. OECC/PSC Kazuya Okamura, Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2019	—	`conf`	Feasibility Test of Large-Scale (1, 424×1, 424) Optical Circuit Switches Utilizing Commercially Available Tunable Lasers. OECC/PSC Eiji Honda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2019	—	`conf`	How Optical-Circuit/Electrical-Packet Hybrid Switching will Create High Performance and Cost-Effective Data Center Networks. ICTON Ken-ichi Sato
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`	Switching granularity and intra-node interconnection optimization for large scale optical nodes. OECC/PSC Hiroshi Hasegawa, Ken-ichi Sato
2019	—	`conf`	Verification of High Performance and Wide Applicability of Seamlessly Expandable and Limitless OXC. OFC Ryota Hashimoto, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2018	Misc	`conf`	A New Framework for Nation-Wide Networking in Future Datacenter-Traffic Centric Era. PSC Keisuke Kayano, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Fumikazu Inuzuka, Akira Hirano
2018	Misc	`conf`	Architecture and Design of Quasi-Nyquist WDM Networks with Flexible Grid Granular Switching. PSC Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2018	J	`jnl`	Design and Verification of Large-Scale Optical Circuit Switch Using ULCF AWGs for Datacenter Application. JOCN H. Nagai, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
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`	Fast Optical Circuit Switch Using Monolithically Integrated Silicon-Photonic Space Switch and Wavelength-Tuneable Filter. ECOC Yojiro Mori, Mungun-Erdene Ganbold, Ryuta Shiraki, Keijiro Suzuki, Hiroyuki Matsuura, Hitoshi Kawashima, Shu Namiki, Kazuhiro Ikeda, Ken-ichi Sato
2018	—	`conf`	For the Construction of Learning Opportunity for Program Manager -Trial Development of Open Club of Program Manager. IIAI-AAI Masaaki Ichiki, Ken-ichi Sato, Yuichi Nakagami
2018	—	`conf`	Fragmentation-Minimized Transponder Upgrading Employing Channel Bandwidth Aligned Slot Allocation in Flexible Grid Optical Networks. OFC Hiroshi Hasegawa, Takuma Yasuda, Yojiro Mori, Ken-ichi Sato
2018	—	`conf`	Large-Scale Optical Circuit Switch Architecture for Intra-Datacenter Networking. OFC Yojiro Mori, Ken-ichi Sato
2018	—	`conf`	Next-Generation ROADM Employing Bandwidth-Adaptive Silicon-Photonic Filters for Flexible Drop Operation. OFC Yojiro Mori, Koh Ueda, Keijiro Suzuki, Hiroyuki Matsuura, Ken Tanizawa, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashiwa, Ken-ichi Sato
2018	—	`conf`	Novel Demodulation Framework Based on Quadrature Duo-Binary/Quaternary/Octernary Spectrum Shaping and MLSE for Mitigating Spectrum Narrowing Caused by Node Traversals. ECOC Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2018	Misc	`conf`	Spectral utilization efficient coarse granular routing optical networks with resiliency against multiple failures. ICIN Tomohiro Ishikawa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2018	—	`conf`	Spectrally Efficient and Highly Resilient Grouped Routing Network Enhanced with Optical Performance Monitoring. OFC Keisuke Kayano, Hiroshi Saito, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Shoichiro Oda, Setsuo Yoshida, Takeshi Hoshida
2017	J	`jnl`	Algorithm for Raising OXC Port Count to Meet Traffic Growth at Minimum Cost. JOCN Kosuke Sato, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2017	J	`jnl`	Dynamic Path Provisioning and Disruption-Free Reoptimization Algorithms for Bandwidth on-Demand Services Considering Fairness. IEICE Trans. Commun. Masahiro Nakagawa, Hiroshi Hasegawa, Ken-ichi Sato
2017	—	`conf`	Dynamic control of coarse/fine hybrid granular routing optical networks. OFC Yusaku Ito, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2017	J	`jnl`	Fast Optical Circuit Switch for Intra-Datacenter Networking. IEICE Trans. Commun. Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Hiroyuki Matsuura, Kiyo Ishii, Haruhiko Kuwatsuka, Shu Namiki, Toshio Watanabe, Ken-ichi Sato
2017	—	`conf`	First Demonstration of Subsystem-Modular Optical Crossconnect Using Single-Module 6×6 WSS. ECOC Ryota Hashimoto, Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Keita Yamaguchi, Kazunori Seno, Kenya Suzuki
2017	—	`conf`	Highly reliable large-scale optical cross-connect architecture utilizing M×M wavelength-selective switches. OFC Shuhei Yamakami, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2017	—	`conf`	Joint Pre-, Inline-, and Post-Compensation of Spectrum Narrowing Caused by Traversing Multiple Optical Nodes. ECOC Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2017	—	`conf`	Novel intra- and inter-datacenter converged network exploiting space- and wavelength-dimensional switches. OFC Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2017	J	`jnl`	Optical Networking Paradigm: Past, Recent Trends and Future Directions. IEICE Trans. Commun. Eiji Oki, Naoya Wada, Satoru Okamoto, Naoaki Yamanaka, Ken-ichi Sato
2017	—	`conf`	Optical tunable filter for gridless ROADM. OFC Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2017	—	`conf`	Realization and Application of Large-scale Fast Optical Circuit Switch for Data Center Networking. ECOC Ken-ichi Sato
2017	—	`conf`	Role of grouped routing in creating cost effective and bandwidth abundant networks. ICTON Ken-ichi Sato
2017	J	`jnl`	Spectral Efficiency Maximization of Grouped Routing Optical Networks With Shared Protection. JOCN Tomohiro Ishikawa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2017	J	`jnl`	Tipping Point for the Future Scalable OXC: What Size M × M WSS Is Needed? JOCN Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2016	—	`conf`	A compact OXC node architecture that exploits dynamic path bundling and routing. ONDM Tomohiro Ishikawa, Hiroshi Hasegawa, Suresh Subramaniam, Ken-ichi Sato
2016	—	`conf`	Algorithm for raising OXC port count to meet traffic growth at minimum-cost. OFC Kosuke Sato, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2016	J	`jnl`	Disruption-Free Expansion of Protected Optical Path Networks that Utilize Subsystem Modular OXC Nodes. JOCN Kosuke Sato, Hiroshi Hasegawa, Ken-ichi Sato
2016	J	`jnl`	Dynamic Router Performance Control Utilizing Support Vector Machines for Energy Consumption Reduction. IEEE Trans. Netw. Serv. Manag. Hiroshi Kawase, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2016	—	`conf`	Highly spectral efficient elastic optical network employing grouped optical path routing. OFC Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2016	—	`conf`	Impact of node/fiber/WSS degrees in creating cost effective OXCs. ICTON Ken-ichi Sato
2016	J	`jnl`	Node Architecture and Design of Flexible Waveband Routing Optical Networks. JOCN Hiroshi Hasegawa, Suresh Subramaniam, Ken-ichi Sato
2016	—	`conf`	Spectrum utilization maximization in coarse granular optical routing networks that employ fine granular shared protection. DRCN Tomohiro Ishikawa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2016	J	`jnl`	Survivable Grouped Routing Optical Networks with Dedicated Path Protection. IEICE Trans. Commun. Hiroshi Hasegawa, Yojiro Mori, Ken-ichi Sato
2016	—	`conf`	Tipping point for the future scalable OXC - What size MxM WSS is needed? OFC Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2015	—	`conf`	A novel routing and frequency slot assignment scheme that can adapt to transmission speed migration. OFC Zhishu Shen, Taiki Kusano, Hiroshi Hasegawa, Ken-ichi Sato
2015	J	`jnl`	Boas' Formula and Sampling Theorem. Axioms Tohru Morita, Ken-ichi Sato
2015	J	`jnl`	Criteria for Selecting Subsystem Configuration in Creating Large-Scale OXCs. JOCN Yasuhiro Tanaka, Hiroshi Hasegawa, Ken-ichi Sato
2015	—	`conf`	Demonstration of large-port-count and compact ROADM that exhibits virtual-C/D/C performance. OFC Shoichi Takashina, Hiroto Ishida, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe
2015	J	`jnl`	Differential Reliability Path Accommodation Design and Reconfiguration in Virtualized Multi-Layer Transport Network. IEICE Trans. Commun. Akihiro Kadohata, Takafumi Tanaka, Atsushi Watanabe, Akira Hirano, Hiroshi Hasegawa, Ken-ichi Sato
2015	—	`conf`	Flexible waveband routing optical networks. ICC Hiroshi Hasegawa, Suresh Subramaniam, Ken-ichi Sato
2015	J	`jnl`	Hardware Scale and Performance Evaluation of a Compact Subsystem Modular Optical Cross Connect That Adopts Tailored Add/Drop Architecture. JOCN Hiroto Ishida, Hiroshi Hasegawa, Ken-ichi Sato
2015	—	`conf`	Highly scalable subsystem modular OXC nodes that host tailored add/drop mechanism. OFC Hiroto Ishida, Hiroshi Hasegawa, Ken-ichi Sato
2015	J	`jnl`	Integrity Enhancement of Flexible/Semi-Flexible Grid Networks That Minimizes Disruption in Spectrum Defragmentation and Bitrate-Dependent Blocking. JOCN Zhishu Shen, Hiroshi Hasegawa, Ken-ichi Sato
2015	—	`conf`	Key technologies to expand optical networking capabilities. ICTON Ken-ichi Sato
2015	—	`conf`	Large scale optical cross-connect: Architecture, performance analysis, and feasibility demonstration. OFC Hiroshi Hasegawa, Ken-ichi Sato
2015	—	`conf`	Large-scale optical-switch prototype compactly implemented with novel functional configuration. OFC Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe
2015	—	`conf`	Novel network control scheme that can substantially reduce link and node costs simultaneously. ECOC Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2015	J	`jnl`	Pre-Adjustment Rerouting for Wavelength Defragmentation in Optical Transparent WDM Networks. IEICE Trans. Commun. Akihiro Kadohata, Atsushi Watanabe, Akira Hirano, Hiroshi Hasegawa, Ken-ichi Sato
2015	—	`conf`	Residual capacity aware dynamic control of GRE-based routing optical path networks under traffic growth model. OFC Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2015	—	`conf`	Resilient grouped routing optical networks with finely granular protection. ONDM Hiroshi Hasegawa, Yojiro Mori, Ken-ichi Sato
2015	Misc	`conf`	Router power reduction by active performance control realized with support vector machines. ICNC Hiroshi Kawase, Hiroshi Hasegawa, Ken-ichi Sato
2015	—	`conf`	Shared protected grouped optical path routing network design employing iterative path group relocation. RNDM@WMNC Tomohiro Ishikawa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2015	—	`conf`	Wavelength path signalling for WSS/WBSS combined optical switches in hierarchical optical networks. ICTON Takaya Miyazawa, Takahiro Hirayama, Hiroaki Harai, Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2014	—	`conf`	A 204.8 Tbps throughput 64×64 optical cross-connect prototype that allows C/D/C add/drop. OFC Kensuke Takaha, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe
2014	—	`conf`	A novel flexible grid/semi-flexible grid optical path network design algorithm that reserves exclusive frequency slots for high bitrate signals. ONDM Zhishu Shen, Hiroshi Hasegawa, Ken-ichi Sato
2014	—	`conf`	Design of Grouped Routing Entity (GRE)-based optical networks with 100% signal quality guarantee. ONDM Amornrat Jirattigalachote, Paolo Monti, Lena Wosinska, Yuki Taniguchi, Toshinori Ban, Hiroshi Hasegawa, Ken-ichi Sato
2014	—	`conf`	Enhancement of fiber frequency utilization by employing grouped optical path routing. OFC Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2014	—	`conf`	Fiber-nonlinearity limitation of transmission distances in ultra-dense gridless photonic networks. OFC Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
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	—	`conf`	Hardware scale and performance evaluation of compact OXC add/drop architecture. OFC Hiroto Ishida, Hiroshi Hasegawa, Ken-ichi Sato
2014	—	`conf`	How to create large scale OXCs/ROADMs for future networks. ICTON Ken-ichi Sato
2014	—	`conf`	Implication of inter-node and intra-node contention in creating large throughput photonic networks. ONDM Ken-ichi Sato
2014	J	`jnl`	Large capacity optical networks applying multi-stage hetero-granular optical path routing. Opt. Switch. Netw. Hai-Chau Le, Hiroshi Hasegawa, Ken-ichi Sato
2014	—	`conf`	Low crosstalk wavelength tunable filter that utilizes symmetric and asymmetric Mach-Zehnder interferometers. OFC Shoichi Takashina, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe
2014	—	`conf`	Low-loss and Low-power-consumption wavelength tunable filter enabling colorless/directionless/contentionless optical drop in ROADMs. ECOC Shoichi Takashina, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe
2014	—	`conf`	Novel large-port-count optical-switch architecture for optical interconnection in datacenter. ECOC Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe
2014	—	`conf`	Performance evaluations of large-scale oxc that achieves modular and hitless expansion. OFC Yasuhiro Tanaka, Hiroshi Hasegawa, Ken-ichi Sato
2014	—	`conf`	Verification of high frequency spectrum utilization in grouped optical path routing networks under traffic growth scenario. ECOC Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato
2013	—	`conf`	A 270 × 270 optical cross-connect switch utilizing wavelength routing with cascaded AWGs. OFC/NFOEC Tomonobu Niwa, Hiroshi Hasegawa, Ken-ichi Sato
2013	J	`jnl`	A large-scale wavelength routing optical switch for data center networks. IEEE Commun. Mag. Ken-ichi Sato, Hiroshi Hasegawa, Tomonobu Niwa, Toshio Watanabe
2013	J	`jnl`	An efficient heuristic waveband assignment algorithm for hierarchical optical path networks utilizing wavelength convertors. Opt. Switch. Netw. Zhishu Shen, Hiroshi Hasegawa, Ken-ichi Sato
2013	J	`jnl`	Coarse Granular Optical Routing Networks Utilizing Fine Granular Add/Drop. JOCN Yuki Taniguchi, Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato
2013	—	`conf`	Compact integrated tunable filter utilizing AWG routing function and small switches. OFC/NFOEC Tomonobu Niwa, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe, Hiroshi Takahashi, S. Soma
2013	—	`conf`	Design strategies for survivable Grouped Routing Entity (GRE)-based optical networks. DRCN Hiroshi Hasegawa, Yuki Taniguchi, Ken-ichi Sato, Amornrat Jirattigalachote, Paolo Monti, Lena Wosinska
2013	—	`conf`	Dynamic grouped routing optical networks for cost effective and agile wavelength services. OFC/NFOEC Yuki Taniguchi, Hiroshi Hasegawa, Ken-ichi Sato
2013	J	`jnl`	Effectiveness of Wavelength/Waveband Conversion and Its Allowable Cost Bound for Hierarchical Optical Path Networks. JOCN Zhishu Shen, Hiroshi Hasegawa, Ken-ichi Sato
2013	J	`jnl`	Efficient Shared Protection Network Design Algorithm that Iterates Path Relocation with New Resource Utilization Metrics. IEICE Trans. Commun. Masakazu Sato, Hiroshi Hasegawa, Ken-ichi Sato
2013	J	`jnl`	Guest Editorial Next-Generation Spectrum-Efficient and Elastic Optical Transport Networks. IEEE J. Sel. Areas Commun. Gangxiang Shen, Ken-ichi Sato, William Shieh, Ioannis Tomkos, Jennifer Yates, Eric W. M. Wong
2013	—	`conf`	Impact of wavelength/waveband convertors and the cost bound in hierarchical optical path networks. OFC/NFOEC Zhishu Shen, Hiroshi Hasegawa, Ken-ichi Sato
2013	J	`jnl`	Mollification Based onWavelets. Axioms Tohru Morita, Ken-ichi Sato
2013	—	`conf`	OXC hardware scale reduction attained by using interconnected subsystem architecture. OFC/NFOEC Yuto Iwai, Hiroshi Hasegawa, Ken-ichi Sato
2013	J	`jnl`	PCE-based fast path control in multi-domain photonic networks. Opt. Switch. Netw. Yohei Iizawa, Soichiro Araki, Shinya Ishida, Itaru Nishioka, Kohei Shimada, Hiroshi Hasegawa, Ken-ichi Sato
2012	J	`jnl`	Effects of Optical Layer Protection Granularity in Survivable Hierarchical Optical Path Network. IEICE Trans. Commun. Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato
2012	J	`jnl`	Evaluations of OXC Hardware Scale and Network Resource Requirements of Different Optical Path Add/Drop Ratio Restriction Schemes [Invited]. JOCN Fumisato Naruse, Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato
2012	J	`jnl`	Impact of Elastic Optical Paths That Adopt Distance Adaptive Modulation to Create Efficient Networks. IEICE Trans. Commun. Tatsumi Takagi, Hiroshi Hasegawa, Ken-ichi Sato, Yoshiaki Sone, Akira Hirano, Masahiko Jinno
2012	J	`jnl`	Novel wavelength tunable filter offering multi-stage selection for colorless, directionless, and contentionless ROADMs. IEICE Electron. Express Tomonobu Niwa, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe, Hiroshi Takahashi, Masayuki Okuno
2012	J	`jnl`	Optical Fast Circuit Switching Networks Employing Dynamic Waveband Tunnel. IEICE Trans. Commun. Takahiro Ogawa, Hiroshi Hasegawa, Ken-ichi Sato
2012	J	`jnl`	Optical Node Architectures That Utilize Dedicated Add/Drop Switches to Realize Colorless, Directionless and Contentionless Capability. IEICE Trans. Commun. Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato
2012	J	`jnl`	Router Power Reduction through Dynamic Performance Control Based on Traffic Predictions. IEICE Trans. Commun. Hiroyuki Ito, Hiroshi Hasegawa, Ken-ichi Sato
2012	J	`jnl`	SAR-Probe Calibration System Using Reference Dipole Antenna in Tissue-Equivalent Liquid. IEICE Trans. Commun. Nozomu Ishii, Yukihiro Miyota, Ken-ichi Sato, Lira Hamada, Soichi Watanabe
2012	J	`jnl`	Virtual Fiber Networking and Impact of Optical Path Grooming on Creating Efficient Layer One Services. IEICE Trans. Commun. Fumisato Naruse, Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato
2011	J	`jnl`	A dynamic and quasi-centralized RWA method for optical fast circuit switching networks employing route pre-prioritization. Opt. Switch. Netw. Hiroaki Ohno, Hiroshi Hasegawa, Ken-ichi Sato
2011	J	`jnl`	Compact Matrix-Switch-Based Hierarchical Optical Path Cross-Connect with Colorless Waveband Add/Drop Ratio Restriction. IEICE Trans. Commun. Ryosuke Hirako, Kiyo Ishii, Hiroshi Hasegawa, Ken-ichi Sato, Osamu Moriwaki
2011	J	`jnl`	Development of Hierarchical Optical Path Cross-Connect Systems Employing Wavelength/Waveband Selective Switches. JOCN Kiyo Ishii, Shinichi Mitsui, Hiroshi Hasegawa, Ken-ichi Sato, Shin Kamei, Masayuki Okuno, Hiroshi Takahashi
2011	—	`conf`	Efficient iterative design algorithm for enhancing resource utilization of shared protected optical path networks. DRCN Masakazu Sato, Hiroshi Hasegawa, Ken-ichi Sato
2011	J	`jnl`	Hybrid-hierarchical optical path network design algorithms utilizing ILP optimization. Opt. Switch. Netw. Hai-Chau Le, Hiroshi Hasegawa, Ken-ichi Sato
2010	J	`jnl`	Hierarchical Optical Path Network Design Algorithm Considering Waveband Add/Drop Ratio Constraint. JOCN Hai-Chau Le, Hiroshi Hasegawa, Ken-ichi Sato
2010	J	`jnl`	Wavelength Assignment for Concatenated ROADM Ring Networks and Switch Scale Reduction in a Concatenating Node. JOCN Kiyo Ishii, Hiroshi Hasegawa, Ken-ichi Sato
2009	J	`jnl`	Optical Networking Technologies That Will Create Future Bandwidth-Abundant Networks [Invited]. JOCN Ken-ichi Sato, Hiroshi Hasegawa
2008	J	`jnl`	An efficient hierarchical optical path network design algorithm based on a traffic demand expression in a cartesian product space. IEEE J. Sel. Areas Commun. Isao Yagyu, Hiroshi Hasegawa, Ken-ichi Sato
2008	J	`jnl`	Optical Cross-Connect Switch Architectures for Hierarchical Optical Path Networks. IEICE Trans. Commun. Shoji Kakehashi, Hiroshi Hasegawa, Ken-ichi Sato
2008	J	`jnl`	Quasi-Dynamic Network Design Considering Different Service Holding Times. IEEE J. Sel. Areas Commun. Koichi Kanie, Hiroshi Hasegawa, Ken-ichi Sato
2008	J	`jnl`	Simultaneous Measurement of Antenna Gain and Complex Permittivity of Liquid in Near-Field Region Using Weighted Regression. IEICE Trans. Commun. Nozomu Ishii, Hiroki Shiga, Naoto Ikarashi, Ken-ichi Sato, Lira Hamada, Soichi Watanabe
2007	J	`jnl`	A Method of Measuring Gain in Liquids Based on the Friis Transmission Formula in the Near-Field Region. IEICE Trans. Commun. Nozomu Ishii, Takuhei Akagawa, Ken-ichi Sato, Lira Hamada, Soichi Watanabe
2007	J	`jnl`	Formulation of Waveguide Connection for Waveband MUX/DEMUX Using Concatenated Arrayed-Waveguide Gratings. IEICE Trans. Commun. Shoji Kakehashi, Hiroshi Hasegawa, Ken-ichi Sato, Osamu Moriwaki
2007	J	`jnl`	Prospects and Challenges of Multi-Layer Optical Networks. IEICE Trans. Commun. Ken-ichi Sato, Hiroshi Hasegawa
2007	J	`jnl`	Recent Developments in and Challenges of Photonic Networking Technologies. IEICE Trans. Commun. Ken-ichi Sato
2007	C	`conf`	Suppression of Boundary Effect and Introduction of Scale Correlation for Wavelet based Traffic Prediction. MMSP Naoya Matsusue, Hiroshi Hasegawa, Ken-ichi Sato
2005	J	`jnl`	Network Design and Cost Optimization for Label Switched Multilayer Photonic IP Networks. IEEE J. Sel. Areas Commun. S. Kaneda, Tomohiko Uyematsu, Naohide Nagatsu, Ken-ichi Sato
2005	J	`jnl`	Special Section on Next Generation Photonic Network Technologies. IEICE Trans. Commun. Ken-ichi Sato
2002	J	`jnl`	GMPLS-based photonic multilayer router (Hikari router) architecture: an overview of traffic engineering and signaling technology. IEEE Commun. Mag. Ken-ichi Sato, Naoaki Yamanaka, Yoshihiro Takigawa, Masafumi Koga, Satoru Okamoto, Kohei Shiomoto, Eiji Oki, Wataru Imajuku
1999	J	`jnl`	Future photonic transport networks based on WDM technologies. IEEE Commun. Mag. Hiroshi Yoshimura, Ken-ichi Sato, Noboru Takachio
1999	J	`jnl`	Photonic transport technologies to create robust backbone networks. IEEE Commun. Mag. Ken-ichi Sato, Satoru Okamoto
1998	J	`jnl`	Large-capacity optical path cross-connect system for WDM photonic transport network. IEEE J. Sel. Areas Commun. Masafumi Koga, Atsushi Watanabe, Takeshi Kawai, Ken-ichi Sato, Yasuji Ohmori
1998	—	`conf`	Network protection and OA&M mechanism for WDM optical path transport networks. ICC Satoru Okamoto, Atsushi Watanabe, Naohide Nagatsu, Ken-ichi Sato
1998	—	`conf`	Performance and node architecture of WDM multiple fiber ring networks. ICC Naohide Nagatsu, Atsushi Watanabe, Satoru Okamoto, Ken-ichi Sato
1997	J	`jnl`	Network architecture for optical path transport networks. IEEE Trans. Commun. Satoru Okamoto, Kimio Oguchi, Ken-ichi Sato
1996	B	`conf`	Network architecture and management concepts for optical transport networks. NOMS Satoru Okamoto, Kimio Oguchi, Ken-ichi Sato
1996	J	`jnl`	Optical Path Cross-Connect System Scale Evaluation Using Path Accommodation Design for Restricted Wavelength Multiplexing . IEEE J. Sel. Areas Commun. Naohide Nagatsu, Satoru Okamoto, Ken-ichi Sato
1996	B	`conf`	Optical path accommodation design considering failure restoration with minimum cross-connect system scale. NOMS Naohide Nagatsu, Satoru Okamoto, Ken-ichi Sato
1996	J	`jnl`	Photonic transport network OAM technologies. IEEE Commun. Mag. Ken-ichi Sato
1995	J	`jnl`	Hybridizing a Genetic Algorithm with Rule-Based Reasoning for Production Planning. IEEE Expert Kazuro Hamada, Toshimitsu Baba, Ken-ichi Sato, Masanao Yufu
1995	J	`jnl`	Performance limitation of the leaky bucket algorithm for ATM networks. IEEE Trans. Commun. Naoaki Yamanaka, Youichi Sato, Ken-ichi Sato
1994	J	`jnl`	Integrity of public telecommunications networks. IEEE J. Sel. Areas Commun. Tsong-Ho Wu, John C. McDonald, T. P. Flanagan, Ken-ichi Sato
1994	J	`jnl`	Network performance and integrity enhancement with optical path layer technologies. IEEE J. Sel. Areas Commun. Ken-ichi Sato, Satoru Okamoto, Hisaya Hadama
1994	J	`jnl`	Self-healing ATM networks based on virtual path concept. IEEE J. Sel. Areas Commun. Ryutaro Kawamura, Ken-ichi Sato, Ikuo Tokizawa
1993	J	`jnl`	ATM VP-based broadband networks for multimedia services. IEEE Commun. Mag. Tomonori Aoyama, Ikuo Tokizawa, Ken-ichi Sato
1993	B	`conf`	Comparison of traffic management schemes for ATM networks. LCN Youichi Sato, Ken-ichi Sato
1993	J	`jnl`	The Washington University Broadband Terminal. IEEE J. Sel. Areas Commun. William D. Richard, Pierre Costa, Ken-ichi Sato
1992	J	`jnl`	Dynamic bandwidth control of the virtual path in an asynchronous transfer mode network. IEEE Trans. Commun. Satoru Ohta, Ken-ichi Sato
1992	J	`jnl`	Introduction Strategy and Technologies for ATM VP-Based Broadband Networks. IEEE J. Sel. Areas Commun. Tomonori Aoyama, Ikuo Tokizawa, Ken-ichi Sato
1992	J	`jnl`	Usage parameter control and bandwidth allocation methods for ATM-based B-ISDN. Comput. Commun. Rev. Naoaki Yamanaka, Youichi Sato, Ken-ichi Sato
1991	J	`jnl`	Virtual Path and Link Capacity Design for ATM Networks. IEEE J. Sel. Areas Commun. Youichi Sato, Ken-ichi Sato
1990	J	`jnl`	Broad-band ATM network architecture based on virtual paths. IEEE Trans. Commun. Ken-ichi Sato, Satoru Ohta, Ikuo Tokizawa
1990	J	`jnl`	Variable rate speech coding for asynchronous transfer mode. IEEE Trans. Commun. Hiroshi Nakada, Ken-ichi Sato
1988	A*	`conf`	Variable rate speech coding and network delay analysis for universal transport network. INFOCOM Ken-ichi Sato, Hiroshi Nakada, Youichi Sato
1985	J	`jnl`	Fiber Optic Analog-Digital Hybrid Signal Transmission Employing Frequency Modulation. IEEE Trans. Commun. Ken-ichi Sato, Shinichi Aoyagi, Tokuhiro Kitami
1985	J	`jnl`	Fiber Optic Video Transmission Employing Square Wave Frequency Modulation. IEEE Trans. Commun. Ken-ichi Sato, Shinichi Aoyagi, Tokuhiro Kitami
1981	J	`jnl`	Speckle Noise Reduction in Fiber Optic Analog Video Transmission Using Semiconductor Laser Diodes. IEEE Trans. Commun. Ken-ichi Sato, Koichi Asatani