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Ken-ichi Sato
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2020 – today
- 2024
- [j87]Ken-ichi Sato
:
Optical switching will innovate intra data center networks [Invited Tutorial]. J. Opt. Commun. Netw. 16(1): 1 (2024) - [c89]Ryosuke Matsumoto, Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki, Takashi Inoue, Kazuhiro Ikeda, Shu Namiki, Ken-ichi Sato:
Cost-effective ROADM Using Wide-bandwidth Silicon Tunable Ring Filter for Drop Operation. OFC 2024: 1-3 - [i1]Ryousei Takano, Kiyo Ishii, Toshiyuki Shimizu, Fumihiro Okazaki, Shu Namiki, Ken-ichi Sato:
A Fast Control Plane for a Large-Scale and High-Speed Optical Circuit Switch System. CoRR abs/2401.09284 (2024) - 2023
- [c88]Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki, Ryosuke Matsumoto, Kazuhiro Ikeda, Ken-ichi Sato:
Fast (<9.4 μs) Full-C-Band Tuning of Silicon Photonics Double-Ring Filters using Feed-Forward Control. OFC 2023: 1-3 - [c87]Ryosuke Matsumoto, Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki, Takashi Inoue, Kazuhiro Ikeda, Shu Namiki, Ken-ichi Sato:
Performance Verification of 7, 424 × 7, 424 Optical Switch Offering 1.4 μs Switching Time. OFC 2023: 1-3 - [c86]Ken-ichi Sato:
Optical Switching will Innovate Intra Data Center Networks. OFC 2023: 1-40 - 2022
- [j86]Ken-ichi Sato
, Hiroyuki Matsuura
, Ryotaro Konoike
, Keijiro Suzuki
, Kazuhiro Ikeda
, Shu Namiki
:
Prospects and challenges of optical switching technologies for intra data center networks. JOCN 14(11): 903-915 (2022) - [c85]Takuma Kuno, Takumi Mitsuya, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Demonstration of High-Throughput Intra-Datacenter Switches Using Interleaved AWGs for Nyquist WDM. OFC 2022: 1-3 - [c84]Ryosuke Matsumoto, Ryotaro Konoike, Keijiro Suzuki, Takashi Inoue, Shu Namiki, Ken-ichi Sato:
Scalable and Fast Optical Circuit Switch Exploiting Colorless Coherent Detection. OFC 2022: 1-3 - [c83]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:
Power-saving Aware SDM Photonic Node with the Throughput Scalable to over Peta bit. OECC/PSC 2022: 1-4 - 2021
- [j85]Hiroshi Hasegawa, Takuma Yasuda, Yojiro Mori, Ken-ichi Sato:
Fragmentation-Minimized Periodic Network-Bandwidth Expansion Employing Aligned Channel Slot Allocation in Flexible Grid Optical Networks. IEICE Trans. Commun. 104-B(12): 1514-1523 (2021) - [j84]Yojiro Mori, Ken-ichi Sato:
High-port-count optical circuit switches for intra-datacenter networks [Invited Tutorial]. JOCN 13(8): D43-D52 (2021) - [j83]Ryuta Shiraki
, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Paolo Monti
:
Design and control of highly spectrally efficient photonic networks enabled by fiber-granular routing on overlaid ring-shaped topologies. JOCN 13(11): 233-243 (2021) - [c82]Ken-ichi Sato:
How Optical Technologies Can Innovate Intra Data Center Networks. ICCCN 2021: 1-8 - [c81]Ryosuke Matsumoto, Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki, Takashi Inoue, Kazuhiro Ikeda, Shu Namiki, Ken-ichi Sato:
Fast Optical Switch Utilizing Coherent Detection Enabled by Cooperative Filtering of Transmission Signal and Local Oscillator (LO) Wavelength Sourced from an LO Bank. OFC 2021: 1-3 - 2020
- [j82]Yusaku Ito, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Architecture and Design of Coarse/Fine Hybrid Granular Routing Optical Networks. IEICE Trans. Commun. 103-B(2): 118-129 (2020) - [j81]Keisuke Kayano, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Shoichiro Oda, Setsuo Yoshida, Takeshi Hoshida
:
Transmission-Quality-Aware Online Network Design and Provisioning Enabled by Optical Performance Monitoring. IEICE Trans. Commun. 103-B(6): 670-678 (2020) - [j80]Mungun-Erdene Ganbold, Takuma Yasuda, Yojiro Mori, Hiroshi Hasegawa, Fumikazu Inuzuka, Akira Hirano, Ken-ichi Sato:
Assessment of Optical Node Architectures for Building Next Generation Large Bandwidth Networks. IEICE Trans. Commun. 103-B(6): 679-689 (2020) - [j79]Ryota Hashimoto, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Design of seamlessly and limitlessly expandable OXC and verification tests on its versatile applicability. JOCN 12(5): 99-108 (2020) - [c80]Eiji Honda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Demonstration of 4.3 Pbps Optical Circuit Switching for Intra-Datacentre Networks Based on Spatial Super-Channels. ECOC 2020: 1-4 - [c79]Ryosuke Matsumoto, Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki, Takashi Inoue, Yojiro Mori, Kazuhiro Ikeda, Shu Namiki
, Ken-ichi Sato:
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 2020: 1-3 - [c78]Yojiro Mori, Ken-ichi Sato:
Large-Scale Optical Switch Architectures for Intra-Datacentre Networks. ECOC 2020: 1-4 - [c77]Ken-ichi Sato:
Design and Performance of Large Port Count Optical Switches for Intra Data Centre Application. ICTON 2020: 1-4 - [c76]Eiji Honda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
High-Throughput Optical Circuit Switch for Intra-Datacenter Networks Based on Spatial Super-Channels. OFC 2020: 1-3 - [c75]Ryosuke Matsumoto, Takashi Inoue, Ryotaro Konoike, Hiroyuki Matsuura, Keijiro Suzuki, Yojiro Mori, Kazuhiro Ikeda, Shu Namiki, Ken-ichi Sato:
Scalable and Fast Optical Circuit Switch Created with Silicon-Photonic Tunable-Filter-Based Local Oscillator Bank and Colorless Coherent Detection. OFC 2020: 1-3 - [c74]Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Dynamically Controlled Flexible-Grid Networks Based on Semi-Flexible Spectrum Assignment and Network-State-Value Evaluation. OFC 2020: 1-3
2010 – 2019
- 2019
- [j78]Shuhei Yamakami, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Fumikazu Inuzuka, Akira Hirano:
Assessment of Node- and Link- Level Blocking and Creating Cost-Effective Networks in the Era of Large Bandwidth Services. IEICE Trans. Commun. 102-B(3): 510-521 (2019) - [j77]Hitoshi Takeshita
, Keiichi Matsumoto, Hiroshi Hasegawa, Ken-ichi Sato, Emmanuel Le Taillandier de Gabory
:
Improved Optical Amplification Efficiency by Using Turbo Cladding Pumping Scheme for Multicore Fiber Optical Networks. IEICE Trans. Commun. 102-B(8): 1579-1589 (2019) - [c73]Keisuke Itakura, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Design of and Resiliency Enhancement in Coarse/Fine Hybrid Granular Routing Optical Networks Based on Iterative Path-Pair-Loop Inflation. DRCN 2019: 11-15 - [c72]Ken-ichi Sato:
How Optical-Circuit/Electrical-Packet Hybrid Switching will Create High Performance and Cost-Effective Data Center Networks. ICTON 2019: 1-4 - [c71]Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Dynamic Control of Transparent Optical Networks with Adaptive State-Value Assessment Enabled by Reinforcement Learning. ICTON 2019: 1-4 - [c70]Ryota Hashimoto, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Verification of High Performance and Wide Applicability of Seamlessly Expandable and Limitless OXC. OFC 2019: 1-3 - [c69]Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Demonstration of Quasi-Nyquist WDM Networks using Widely Deployed Wavelength-Selective Switches. OFC 2019: 1-3 - [c68]Hiroshi Hasegawa, Ken-ichi Sato:
Switching granularity and intra-node interconnection optimization for large scale optical nodes. OECC/PSC 2019: 1-3 - [c67]Eiji Honda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Feasibility Test of Large-Scale (1, 424×1, 424) Optical Circuit Switches Utilizing Commercially Available Tunable Lasers. OECC/PSC 2019: 1-3 - [c66]Kazuya Okamura, Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Evaluation of WSS Characteristics in Highly Dense WDM Networks. OECC/PSC 2019: 1-3 - 2018
- [j76]Hitoshi Takeshita
, Takefumi Oguma, Shinsuke Fujisawa, Yuta Suzuki, Baku Yatabe, Akio Tajima, Hiroshi Hasegawa, Ken-ichi Sato:
Enhancing Protection Performance by Effectively Using Spectral Slots of Impairment-Aware Elastic Optical Networks [Invited]. JOCN 10(1): A91-A101 (2018) - [j75]H. Nagai, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Design and Verification of Large-Scale Optical Circuit Switch Using ULCF AWGs for Datacenter Application. JOCN 10(7): B82-B89 (2018) - [c65]Yojiro Mori, Mungun-Erdene Ganbold, Ryuta Shiraki, Keijiro Suzuki, Hiroyuki Matsuura, Hitoshi Kawashima, Shu Namiki
, Kazuhiro Ikeda
, Ken-ichi Sato:
Fast Optical Circuit Switch Using Monolithically Integrated Silicon-Photonic Space Switch and Wavelength-Tuneable Filter. ECOC 2018: 1-3 - [c64]Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Novel Demodulation Framework Based on Quadrature Duo-Binary/Quaternary/Octernary Spectrum Shaping and MLSE for Mitigating Spectrum Narrowing Caused by Node Traversals. ECOC 2018: 1-3 - [c63]Tomohiro Ishikawa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Spectral utilization efficient coarse granular routing optical networks with resiliency against multiple failures. ICIN 2018: 1-8 - [c62]Masaaki Ichiki, Ken-ichi Sato, Yuichi Nakagami:
For the Construction of Learning Opportunity for Program Manager -Trial Development of Open Club of Program Manager. IIAI-AAI 2018: 419-424 - [c61]Hiroshi Hasegawa, Takuma Yasuda, Yojiro Mori, Ken-ichi Sato:
Fragmentation-Minimized Transponder Upgrading Employing Channel Bandwidth Aligned Slot Allocation in Flexible Grid Optical Networks. OFC 2018: 1-3 - [c60]Keisuke Kayano, Hiroshi Saito, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Shoichiro Oda, Setsuo Yoshida, Takeshi Hoshida:
Spectrally Efficient and Highly Resilient Grouped Routing Network Enhanced with Optical Performance Monitoring. OFC 2018: 1-3 - [c59]Yojiro Mori, Ken-ichi Sato:
Large-Scale Optical Circuit Switch Architecture for Intra-Datacenter Networking. OFC 2018: 1-3 - [c58]Yojiro Mori, Koh Ueda, Keijiro Suzuki, Hiroyuki Matsuura, Ken Tanizawa, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashiwa, Ken-ichi Sato:
Next-Generation ROADM Employing Bandwidth-Adaptive Silicon-Photonic Filters for Flexible Drop Operation. OFC 2018: 1-3 - [c57]Keisuke Kayano, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Fumikazu Inuzuka, Akira Hirano:
A New Framework for Nation-Wide Networking in Future Datacenter-Traffic Centric Era. PSC 2018: 1-3 - [c56]Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Architecture and Design of Quasi-Nyquist WDM Networks with Flexible Grid Granular Switching. PSC 2018: 1-3 - 2017
- [j74]Masahiro Nakagawa, Hiroshi Hasegawa, Ken-ichi Sato:
Dynamic Path Provisioning and Disruption-Free Reoptimization Algorithms for Bandwidth on-Demand Services Considering Fairness. IEICE Trans. Commun. 100-B(4): 536-547 (2017) - [j73]Eiji Oki, Naoya Wada, Satoru Okamoto, Naoaki Yamanaka, Ken-ichi Sato:
Optical Networking Paradigm: Past, Recent Trends and Future Directions. IEICE Trans. Commun. 100-B(9): 1564-1580 (2017) - [j72]Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Hiroyuki Matsuura
, Kiyo Ishii
, Haruhiko Kuwatsuka
, Shu Namiki
, Toshio Watanabe, Ken-ichi Sato:
Fast Optical Circuit Switch for Intra-Datacenter Networking. IEICE Trans. Commun. 100-B(10): 1740-1746 (2017) - [j71]Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Tipping Point for the Future Scalable OXC: What Size M × M WSS Is Needed? JOCN 9(1): A18-A25 (2017) - [j70]Kosuke Sato, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Algorithm for Raising OXC Port Count to Meet Traffic Growth at Minimum Cost. JOCN 9(2): A263-A270 (2017) - [j69]Tomohiro Ishikawa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Spectral Efficiency Maximization of Grouped Routing Optical Networks With Shared Protection. JOCN 9(10): 864-875 (2017) - [c55]Ryota Hashimoto, Shuhei Yamaoka, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Keita Yamaguchi, Kazunori Seno, Kenya Suzuki:
First Demonstration of Subsystem-Modular Optical Crossconnect Using Single-Module 6×6 WSS. ECOC 2017: 1-3 - [c54]Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Joint Pre-, Inline-, and Post-Compensation of Spectrum Narrowing Caused by Traversing Multiple Optical Nodes. ECOC 2017: 1-3 - [c53]Ken-ichi Sato:
Realization and Application of Large-scale Fast Optical Circuit Switch for Data Center Networking. ECOC 2017: 1-3 - [c52]Ken-ichi Sato:
Role of grouped routing in creating cost effective and bandwidth abundant networks. ICTON 2017: 1-4 - [c51]Yusaku Ito, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Dynamic control of coarse/fine hybrid granular routing optical networks. OFC 2017: 1-3 - [c50]Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Optical tunable filter for gridless ROADM. OFC 2017: 1-3 - [c49]Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Novel intra- and inter-datacenter converged network exploiting space- and wavelength-dimensional switches. OFC 2017: 1-3 - [c48]Shuhei Yamakami, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Highly reliable large-scale optical cross-connect architecture utilizing M×M wavelength-selective switches. OFC 2017: 1-3 - 2016
- [j68]Hiroshi Hasegawa, Yojiro Mori, Ken-ichi Sato:
Survivable Grouped Routing Optical Networks with Dedicated Path Protection. IEICE Trans. Commun. 99-B(7): 1435-1444 (2016) - [j67]Kosuke Sato, Hiroshi Hasegawa, Ken-ichi Sato:
Disruption-Free Expansion of Protected Optical Path Networks that Utilize Subsystem Modular OXC Nodes. JOCN 8(7): 476-485 (2016) - [j66]Hiroshi Hasegawa, Suresh Subramaniam
, Ken-ichi Sato:
Node Architecture and Design of Flexible Waveband Routing Optical Networks. JOCN 8(10): 734-744 (2016) - [j65]Hiroshi Kawase, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Dynamic Router Performance Control Utilizing Support Vector Machines for Energy Consumption Reduction. IEEE Trans. Netw. Serv. Manag. 13(4): 860-870 (2016) - [c47]Tomohiro Ishikawa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Spectrum utilization maximization in coarse granular optical routing networks that employ fine granular shared protection. DRCN 2016: 79-86 - [c46]Ken-ichi Sato:
Impact of node/fiber/WSS degrees in creating cost effective OXCs. ICTON 2016: 1-4 - [c45]Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Tipping point for the future scalable OXC - What size MxM WSS is needed? OFC 2016: 1-3 - [c44]Kosuke Sato, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Algorithm for raising OXC port count to meet traffic growth at minimum-cost. OFC 2016: 1-3 - [c43]Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Highly spectral efficient elastic optical network employing grouped optical path routing. OFC 2016: 1-3 - [c42]Tomohiro Ishikawa, Hiroshi Hasegawa, Suresh Subramaniam
, Ken-ichi Sato:
A compact OXC node architecture that exploits dynamic path bundling and routing. ONDM 2016: 1-6 - 2015
- [j64]Tohru Morita, Ken-ichi Sato:
Boas' Formula and Sampling Theorem. Axioms 4(1): 71-83 (2015) - [j63]Akihiro Kadohata, Atsushi Watanabe, Akira Hirano, Hiroshi Hasegawa, Ken-ichi Sato:
Pre-Adjustment Rerouting for Wavelength Defragmentation in Optical Transparent WDM Networks. IEICE Trans. Commun. 98-B(10): 2014-2021 (2015) - [j62]Akihiro Kadohata, Takafumi Tanaka, Atsushi Watanabe, Akira Hirano, Hiroshi Hasegawa, Ken-ichi Sato:
Differential Reliability Path Accommodation Design and Reconfiguration in Virtualized Multi-Layer Transport Network. IEICE Trans. Commun. 98-B(11): 2151-2159 (2015) - [j61]Zhishu Shen
, Hiroshi Hasegawa, Ken-ichi Sato:
Integrity Enhancement of Flexible/Semi-Flexible Grid Networks That Minimizes Disruption in Spectrum Defragmentation and Bitrate-Dependent Blocking. JOCN 7(4): 235-247 (2015) - [j60]Hiroto Ishida, Hiroshi Hasegawa, Ken-ichi Sato:
Hardware Scale and Performance Evaluation of a Compact Subsystem Modular Optical Cross Connect That Adopts Tailored Add/Drop Architecture. JOCN 7(6): 586-596 (2015) - [j59]Yasuhiro Tanaka, Hiroshi Hasegawa, Ken-ichi Sato:
Criteria for Selecting Subsystem Configuration in Creating Large-Scale OXCs. JOCN 7(10): 1009-1017 (2015) - [c41]Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Novel network control scheme that can substantially reduce link and node costs simultaneously. ECOC 2015: 1-3 - [c40]Hiroshi Hasegawa, Suresh Subramaniam
, Ken-ichi Sato:
Flexible waveband routing optical networks. ICC 2015: 5198-5203 - [c39]Hiroshi Kawase, Hiroshi Hasegawa, Ken-ichi Sato:
Router power reduction by active performance control realized with support vector machines. ICNC 2015: 530-535 - [c38]Takaya Miyazawa, Takahiro Hirayama, Hiroaki Harai, Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Wavelength path signalling for WSS/WBSS combined optical switches in hierarchical optical networks. ICTON 2015: 1-4 - [c37]Ken-ichi Sato:
Key technologies to expand optical networking capabilities. ICTON 2015: 1-2 - [c36]Tomohiro Ishikawa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Shared protected grouped optical path routing network design employing iterative path group relocation. RNDM@WMNC 2015: 78-84 - [c35]Hiroshi Hasegawa, Ken-ichi Sato:
Large scale optical cross-connect: Architecture, performance analysis, and feasibility demonstration. OFC 2015: 1-3 - [c34]Hiroto Ishida, Hiroshi Hasegawa, Ken-ichi Sato:
Highly scalable subsystem modular OXC nodes that host tailored add/drop mechanism. OFC 2015: 1-3 - [c33]Zhishu Shen, Taiki Kusano, Hiroshi Hasegawa, Ken-ichi Sato:
A novel routing and frequency slot assignment scheme that can adapt to transmission speed migration. OFC 2015: 1-3 - [c32]Shoichi Takashina, Hiroto Ishida, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe:
Demonstration of large-port-count and compact ROADM that exhibits virtual-C/D/C performance. OFC 2015: 1-3 - [c31]Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Residual capacity aware dynamic control of GRE-based routing optical path networks under traffic growth model. OFC 2015: 1-3 - [c30]Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe:
Large-scale optical-switch prototype compactly implemented with novel functional configuration. OFC 2015: 1-3 - [c29]Hiroshi Hasegawa, Yojiro Mori, Ken-ichi Sato:
Resilient grouped routing optical networks with finely granular protection. ONDM 2015: 134-139 - 2014
- [j58]Hai-Chau Le
, Hiroshi Hasegawa, Ken-ichi Sato:
Large capacity optical networks applying multi-stage hetero-granular optical path routing. Opt. Switch. Netw. 11: 105-112 (2014) - [c28]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
:
First demonstration of ultra-low-energy hierarchical multi-granular optical path network dynamically controlled through NSI-CS for video related applications. ECOC 2014: 1-3 - [c27]Shoichi Takashina, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe:
Low-loss and Low-power-consumption wavelength tunable filter enabling colorless/directionless/contentionless optical drop in ROADMs. ECOC 2014: 1-3 - [c26]Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Verification of high frequency spectrum utilization in grouped optical path routing networks under traffic growth scenario. ECOC 2014: 1-3 - [c25]Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe:
Novel large-port-count optical-switch architecture for optical interconnection in datacenter. ECOC 2014: 1-3 - [c24]Ken-ichi Sato:
How to create large scale OXCs/ROADMs for future networks. ICTON 2014: 1-4 - [c23]Hiroto Ishida, Hiroshi Hasegawa, Ken-ichi Sato:
Hardware scale and performance evaluation of compact OXC add/drop architecture. OFC 2014: 1-3 - [c22]Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Fiber-nonlinearity limitation of transmission distances in ultra-dense gridless photonic networks. OFC 2014: 1-3 - [c21]Kensuke Takaha, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe:
A 204.8 Tbps throughput 64×64 optical cross-connect prototype that allows C/D/C add/drop. OFC 2014: 1-3 - [c20]Shoichi Takashina, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe:
Low crosstalk wavelength tunable filter that utilizes symmetric and asymmetric Mach-Zehnder interferometers. OFC 2014: 1-3 - [c19]Yasuhiro Tanaka, Hiroshi Hasegawa, Ken-ichi Sato:
Performance evaluations of large-scale oxc that achieves modular and hitless expansion. OFC 2014: 1-3 - [c18]Yuki Terada, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato:
Enhancement of fiber frequency utilization by employing grouped optical path routing. OFC 2014: 1-3 - [c17]Ken-ichi Sato:
Implication of inter-node and intra-node contention in creating large throughput photonic networks. ONDM 2014: 144-149 - [c16]Amornrat Jirattigalachote, Paolo Monti, Lena Wosinska, Yuki Taniguchi, Toshinori Ban, Hiroshi Hasegawa, Ken-ichi Sato:
Design of Grouped Routing Entity (GRE)-based optical networks with 100% signal quality guarantee. ONDM 2014: 174-179 - [c15]Zhishu Shen, Hiroshi Hasegawa, Ken-ichi Sato:
A novel flexible grid/semi-flexible grid optical path network design algorithm that reserves exclusive frequency slots for high bitrate signals. ONDM 2014: 287-292 - 2013
- [j57]Tohru Morita, Ken-ichi Sato:
Mollification Based onWavelets. Axioms 2(2): 67-84 (2013) - [j56]Ken-ichi Sato, Hiroshi Hasegawa, Tomonobu Niwa, Toshio Watanabe:
A large-scale wavelength routing optical switch for data center networks. IEEE Commun. Mag. 51(9) (2013) - [j55]Masakazu Sato, Hiroshi Hasegawa, Ken-ichi Sato:
Efficient Shared Protection Network Design Algorithm that Iterates Path Relocation with New Resource Utilization Metrics. IEICE Trans. Commun. 96-B(4): 956-966 (2013) - [j54]Yuki Taniguchi, Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato:
Coarse Granular Optical Routing Networks Utilizing Fine Granular Add/Drop. JOCN 5(7): 774-783 (2013) - [j53]Zhishu Shen
, Hiroshi Hasegawa, Ken-ichi Sato:
Effectiveness of Wavelength/Waveband Conversion and Its Allowable Cost Bound for Hierarchical Optical Path Networks. JOCN 5(11): 1262-1274 (2013) - [j52]Gangxiang Shen, Ken-ichi Sato, William Shieh
, Ioannis Tomkos
, Jennifer Yates, Eric W. M. Wong
:
Guest Editorial Next-Generation Spectrum-Efficient and Elastic Optical Transport Networks. IEEE J. Sel. Areas Commun. 31(1): 1-3 (2013) - [j51]Yohei Iizawa, Soichiro Araki, Shinya Ishida, Itaru Nishioka, Kohei Shimada, Hiroshi Hasegawa, Ken-ichi Sato:
PCE-based fast path control in multi-domain photonic networks. Opt. Switch. Netw. 10(1): 32-43 (2013) - [j50]Zhishu Shen
, Hiroshi Hasegawa, Ken-ichi Sato:
An efficient heuristic waveband assignment algorithm for hierarchical optical path networks utilizing wavelength convertors. Opt. Switch. Netw. 10(1): 54-61 (2013) - [c14]Hiroshi Hasegawa, Yuki Taniguchi, Ken-ichi Sato, Amornrat Jirattigalachote, Paolo Monti, Lena Wosinska:
Design strategies for survivable Grouped Routing Entity (GRE)-based optical networks. DRCN 2013: 148-154 - [c13]Yuto Iwai, Hiroshi Hasegawa, Ken-ichi Sato:
OXC hardware scale reduction attained by using interconnected subsystem architecture. OFC/NFOEC 2013: 1-3 - [c12]Tomonobu Niwa, Hiroshi Hasegawa, Ken-ichi Sato:
A 270 × 270 optical cross-connect switch utilizing wavelength routing with cascaded AWGs. OFC/NFOEC 2013: 1-3 - [c11]Tomonobu Niwa, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe, Hiroshi Takahashi, S. Soma:
Compact integrated tunable filter utilizing AWG routing function and small switches. OFC/NFOEC 2013: 1-3 - [c10]Zhishu Shen, Hiroshi Hasegawa, Ken-ichi Sato:
Impact of wavelength/waveband convertors and the cost bound in hierarchical optical path networks. OFC/NFOEC 2013: 1-3 - [c9]Yuki Taniguchi, Hiroshi Hasegawa, Ken-ichi Sato:
Dynamic grouped routing optical networks for cost effective and agile wavelength services. OFC/NFOEC 2013: 1-3 - 2012
- [j49]Tomonobu Niwa, Hiroshi Hasegawa, Ken-ichi Sato, Toshio Watanabe, Hiroshi Takahashi, Masayuki Okuno:
Novel wavelength tunable filter offering multi-stage selection for colorless, directionless, and contentionless ROADMs. IEICE Electron. Express 9(16): 1297-1303 (2012) - [j48]Nozomu Ishii, Yukihiro Miyota, Ken-ichi Sato, Lira Hamada, Soichi Watanabe:
SAR-Probe Calibration System Using Reference Dipole Antenna in Tissue-Equivalent Liquid. IEICE Trans. Commun. 95-B(1): 60-68 (2012) - [j47]Fumisato Naruse, Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato:
Virtual Fiber Networking and Impact of Optical Path Grooming on Creating Efficient Layer One Services. IEICE Trans. Commun. 95-B(3): 723-729 (2012) - [j46]Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato:
Optical Node Architectures That Utilize Dedicated Add/Drop Switches to Realize Colorless, Directionless and Contentionless Capability. IEICE Trans. Commun. 95-B(4): 1307-1316 (2012) - [j45]Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato:
Effects of Optical Layer Protection Granularity in Survivable Hierarchical Optical Path Network. IEICE Trans. Commun. 95-B(9): 2959-2963 (2012) - [j44]Hiroyuki Ito, Hiroshi Hasegawa, Ken-ichi Sato:
Router Power Reduction through Dynamic Performance Control Based on Traffic Predictions. IEICE Trans. Commun. 95-B(10): 3130-3138 (2012) - [j43]Takahiro Ogawa, Hiroshi Hasegawa, Ken-ichi Sato:
Optical Fast Circuit Switching Networks Employing Dynamic Waveband Tunnel. IEICE Trans. Commun. 95-B(10): 3139-3148 (2012) - [j42]Tatsumi Takagi, Hiroshi Hasegawa, Ken-ichi Sato, Yoshiaki Sone, Akira Hirano, Masahiko Jinno:
Impact of Elastic Optical Paths That Adopt Distance Adaptive Modulation to Create Efficient Networks. IEICE Trans. Commun. 95-B(12): 3793-3801 (2012) - [j41]Fumisato Naruse, Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato:
Evaluations of OXC Hardware Scale and Network Resource Requirements of Different Optical Path Add/Drop Ratio Restriction Schemes [Invited]. JOCN 4(11): B26-B34 (2012) - 2011
- [j40]Ryosuke Hirako, Kiyo Ishii
, Hiroshi Hasegawa, Ken-ichi Sato, Osamu Moriwaki:
Compact Matrix-Switch-Based Hierarchical Optical Path Cross-Connect with Colorless Waveband Add/Drop Ratio Restriction. IEICE Trans. Commun. 94-B(4): 918-927 (2011) - [j39]Kiyo Ishii
, Shinichi Mitsui, Hiroshi Hasegawa, Ken-ichi Sato, Shin Kamei, Masayuki Okuno, Hiroshi Takahashi:
Development of Hierarchical Optical Path Cross-Connect Systems Employing Wavelength/Waveband Selective Switches. JOCN 3(7): 559-567 (2011) - [j38]Hai-Chau Le
, Hiroshi Hasegawa, Ken-ichi Sato:
Hybrid-hierarchical optical path network design algorithms utilizing ILP optimization. Opt. Switch. Netw. 8(4): 226-234 (2011) - [j37]Hiroaki Ohno, Hiroshi Hasegawa, Ken-ichi Sato:
A dynamic and quasi-centralized RWA method for optical fast circuit switching networks employing route pre-prioritization. Opt. Switch. Netw. 8(4): 242-248 (2011) - [c8]Masakazu Sato, Hiroshi Hasegawa, Ken-ichi Sato:
Efficient iterative design algorithm for enhancing resource utilization of shared protected optical path networks. DRCN 2011: 102-109 - 2010
- [j36]Kiyo Ishii
, Hiroshi Hasegawa, Ken-ichi Sato:
Wavelength Assignment for Concatenated ROADM Ring Networks and Switch Scale Reduction in a Concatenating Node. JOCN 2(1): 67-79 (2010) - [j35]Hai-Chau Le
, Hiroshi Hasegawa, Ken-ichi Sato:
Hierarchical Optical Path Network Design Algorithm Considering Waveband Add/Drop Ratio Constraint. JOCN 2(10): 872-882 (2010)
2000 – 2009
- 2009
- [j34]Ken-ichi Sato, Hiroshi Hasegawa:
Optical Networking Technologies That Will Create Future Bandwidth-Abundant Networks [Invited]. JOCN 1(2): A81-A93 (2009) - 2008
- [j33]Nozomu Ishii, Hiroki Shiga, Naoto Ikarashi, Ken-ichi Sato, Lira Hamada, Soichi Watanabe:
Simultaneous Measurement of Antenna Gain and Complex Permittivity of Liquid in Near-Field Region Using Weighted Regression. IEICE Trans. Commun. 91-B(6): 1831-1837 (2008) - [j32]Shoji Kakehashi, Hiroshi Hasegawa, Ken-ichi Sato:
Optical Cross-Connect Switch Architectures for Hierarchical Optical Path Networks. IEICE Trans. Commun. 91-B(10): 3174-3184 (2008) - [j31]Isao Yagyu, Hiroshi Hasegawa, Ken-ichi Sato:
An efficient hierarchical optical path network design algorithm based on a traffic demand expression in a cartesian product space. IEEE J. Sel. Areas Commun. 26(6-Supplement): 22-31 (2008) - [j30]Koichi Kanie, Hiroshi Hasegawa, Ken-ichi Sato:
Quasi-Dynamic Network Design Considering Different Service Holding Times. IEEE J. Sel. Areas Commun. 26(S-3): 47-53 (2008) - 2007
- [j29]Ken-ichi Sato:
Recent Developments in and Challenges of Photonic Networking Technologies. IEICE Trans. Commun. 90-B(3): 454-467 (2007) - [j28]Ken-ichi Sato, Hiroshi Hasegawa:
Prospects and Challenges of Multi-Layer Optical Networks. IEICE Trans. Commun. 90-B(8): 1890-1902 (2007) - [j27]Nozomu Ishii, Takuhei Akagawa, Ken-ichi Sato, Lira Hamada, Soichi Watanabe:
A Method of Measuring Gain in Liquids Based on the Friis Transmission Formula in the Near-Field Region. IEICE Trans. Commun. 90-B(9): 2401-2407 (2007) - [j26]Shoji Kakehashi, Hiroshi Hasegawa, Ken-ichi Sato, Osamu Moriwaki:
Formulation of Waveguide Connection for Waveband MUX/DEMUX Using Concatenated Arrayed-Waveguide Gratings. IEICE Trans. Commun. 90-B(10): 2950-2952 (2007) - [c7]Naoya Matsusue, Hiroshi Hasegawa, Ken-ichi Sato:
Suppression of Boundary Effect and Introduction of Scale Correlation for Wavelet based Traffic Prediction. MMSP 2007: 438-440 - 2005
- [j25]Ken-ichi Sato:
Special Section on Next Generation Photonic Network Technologies. IEICE Trans. Commun. 88-B(10): 3831 (2005) - [j24]S. Kaneda, Tomohiko Uyematsu, Naohide Nagatsu, Ken-ichi Sato:
Network Design and Cost Optimization for Label Switched Multilayer Photonic IP Networks. IEEE J. Sel. Areas Commun. 23(8): 1612-1619 (2005) - 2002
- [j23]Ken-ichi Sato, Naoaki Yamanaka, Yoshihiro Takigawa, Masafumi Koga, Satoru Okamoto, Kohei Shiomoto
, Eiji Oki, Wataru Imajuku:
GMPLS-based photonic multilayer router (Hikari router) architecture: an overview of traffic engineering and signaling technology. IEEE Commun. Mag. 40(3): 96-101 (2002)
1990 – 1999
- 1999
- [j22]Hiroshi Yoshimura, Ken-ichi Sato, Noboru Takachio:
Future photonic transport networks based on WDM technologies. IEEE Commun. Mag. 37(2): 74-81 (1999) - [j21]Ken-ichi Sato, Satoru Okamoto:
Photonic transport technologies to create robust backbone networks. IEEE Commun. Mag. 37(8): 78-87 (1999) - 1998
- [j20]Masafumi Koga, Atsushi Watanabe, Takeshi Kawai, Ken-ichi Sato, Yasuji Ohmori:
Large-capacity optical path cross-connect system for WDM photonic transport network. IEEE J. Sel. Areas Commun. 16(7): 1260-1269 (1998) - [c6]Satoru Okamoto, Atsushi Watanabe, Naohide Nagatsu, Ken-ichi Sato:
Network protection and OA&M mechanism for WDM optical path transport networks. ICC 1998: 207-212 - [c5]Naohide Nagatsu, Atsushi Watanabe, Satoru Okamoto, Ken-ichi Sato:
Performance and node architecture of WDM multiple fiber ring networks. ICC 1998: 931-936 - 1997
- [j19]Satoru Okamoto, Kimio Oguchi, Ken-ichi Sato:
Network architecture for optical path transport networks. IEEE Trans. Commun. 45(8): 968-977 (1997) - 1996
- [j18]Ken-ichi Sato:
Photonic transport network OAM technologies. IEEE Commun. Mag. 34(12): 86-94 (1996) - [j17]Naohide Nagatsu, Satoru Okamoto, Ken-ichi Sato:
Optical Path Cross-Connect System Scale Evaluation Using Path Accommodation Design for Restricted Wavelength Multiplexing . IEEE J. Sel. Areas Commun. 14(5): 893-902 (1996) - [c4]Satoru Okamoto, Kimio Oguchi, Ken-ichi Sato:
Network architecture and management concepts for optical transport networks. NOMS 1996: 1-11 - [c3]Naohide Nagatsu, Satoru Okamoto, Ken-ichi Sato:
Optical path accommodation design considering failure restoration with minimum cross-connect system scale. NOMS 1996: 213-224 - 1995
- [j16]Kazuro Hamada, Toshimitsu Baba, Ken-ichi Sato, Masanao Yufu:
Hybridizing a Genetic Algorithm with Rule-Based Reasoning for Production Planning. IEEE Expert 10(5): 60-67 (1995) - [j15]Naoaki Yamanaka, Youichi Sato, Ken-ichi Sato:
Performance limitation of the leaky bucket algorithm for ATM networks. IEEE Trans. Commun. 43(8): 2298-2300 (1995) - 1994
- [j14]Tsong-Ho Wu, John C. McDonald, T. P. Flanagan, Ken-ichi Sato:
Integrity of public telecommunications networks. IEEE J. Sel. Areas Commun. 12(1): 1-4 (1994) - [j13]Ryutaro Kawamura, Ken-ichi Sato, Ikuo Tokizawa:
Self-healing ATM networks based on virtual path concept. IEEE J. Sel. Areas Commun. 12(1): 120-127 (1994) - [j12]Ken-ichi Sato, Satoru Okamoto, Hisaya Hadama:
Network performance and integrity enhancement with optical path layer technologies. IEEE J. Sel. Areas Commun. 12(1): 159-170 (1994) - 1993
- [j11]Tomonori Aoyama, Ikuo Tokizawa, Ken-ichi Sato:
ATM VP-based broadband networks for multimedia services. IEEE Commun. Mag. 31(4): 30-39 (1993) - [j10]William D. Richard, Pierre Costa, Ken-ichi Sato:
The Washington University Broadband Terminal. IEEE J. Sel. Areas Commun. 11(2): 276-282 (1993) - [c2]Youichi Sato, Ken-ichi Sato:
Comparison of traffic management schemes for ATM networks. LCN 1993: 397-402 - 1992
- [j9]Naoaki Yamanaka, Youichi Sato, Ken-ichi Sato:
Usage parameter control and bandwidth allocation methods for ATM-based B-ISDN. Comput. Commun. Rev. 22(3): 61-62 (1992) - [j8]Tomonori Aoyama, Ikuo Tokizawa, Ken-ichi Sato:
Introduction Strategy and Technologies for ATM VP-Based Broadband Networks. IEEE J. Sel. Areas Commun. 10(9): 1434-1447 (1992) - [j7]Satoru Ohta
, Ken-ichi Sato:
Dynamic bandwidth control of the virtual path in an asynchronous transfer mode network. IEEE Trans. Commun. 40(7): 1239-1247 (1992) - 1991
- [j6]Youichi Sato, Ken-ichi Sato:
Virtual Path and Link Capacity Design for ATM Networks. IEEE J. Sel. Areas Commun. 9(1): 104-111 (1991) - 1990
- [j5]Hiroshi Nakada, Ken-ichi Sato:
Variable rate speech coding for asynchronous transfer mode. IEEE Trans. Commun. 38(3): 277-284 (1990) - [j4]Ken-ichi Sato, Satoru Ohta
, Ikuo Tokizawa:
Broad-band ATM network architecture based on virtual paths. IEEE Trans. Commun. 38(8): 1212-1222 (1990)
1980 – 1989
- 1988
- [c1]Ken-ichi Sato, Hiroshi Nakada, Youichi Sato:
Variable rate speech coding and network delay analysis for universal transport network. INFOCOM 1988: 771-780 - 1985
- [j3]Ken-ichi Sato, Shinichi Aoyagi, Tokuhiro Kitami:
Fiber Optic Video Transmission Employing Square Wave Frequency Modulation. IEEE Trans. Commun. 33(5): 417-424 (1985) - [j2]Ken-ichi Sato, Shinichi Aoyagi, Tokuhiro Kitami:
Fiber Optic Analog-Digital Hybrid Signal Transmission Employing Frequency Modulation. IEEE Trans. Commun. 33(5): 433-441 (1985) - 1981
- [j1]Ken-ichi Sato, Koichi Asatani:
Speckle Noise Reduction in Fiber Optic Analog Video Transmission Using Semiconductor Laser Diodes. IEEE Trans. Commun. 29(7): 1017-1024 (1981)
Coauthor Index
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