Wavelength Assignment for Concatenated ROADM Ring Networks and Switch Scale Reduction in a Concatenating Node. - Kiyo Ishii; Hiroshi Hasegawa; Ken-ichi Sato (JOCN, 2010)

Compact Matrix-Switch-Based Hierarchical Optical Path Cross-Connect with Colorless Waveband Add/Drop Ratio Restriction. - Ryosuke Hirako; Kiyo Ishii; Hiroshi Hasegawa; Ken-ichi Sato; Osamu Moriwaki (IEICE Trans. Commun., 2011)

Development of Hierarchical Optical Path Cross-Connect Systems Employing Wavelength/Waveband Selective Switches. - Kiyo Ishii; Shinichi Mitsui; Hiroshi Hasegawa; Ken-ichi Sato; Shin Kamei; Masayuki Okuno; Hiroshi Takahashi (JOCN, 2011)

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 (OFC/NFOEC, 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)

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; et al. (ECOC, 2014)

Wavelength assignment dependency of AGC EDFA gain offset under dynamic optical circuit switching. - Kiyo Ishii; Junya Kurumida; Shu Namiki (OFC, 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)

Distributed-like optical path switch control approach for interconnect networks. - Kiyo Ishii; Shu Namiki (HPSR, 2016)

Toward exa-scale photonic switch system for the future datacenter (invited paper). - Kiyo Ishii; Shu Namiki (NOCS, 2016)

Optical network technologies for HPC: computer-architects point of view. - Michihiro Koibuchi; Ikki Fujiwara; Kiyo Ishii; Shu Namiki; Fabien Chaix; Hiroki Matsutani; Hideharu Amano; Tomohiro Kudoh (IEICE Electron. Express, 2016)

High-Bandwidth Low-Latency Approximate Interconnection Networks. - Daichi Fujiki; Kiyo Ishii; Ikki Fujiwara; Hiroki Matsutani; Hideharu Amano; Henri Casanova; Michihiro Koibuchi (HPCA, 2017)

An efficient node architecture for flexibly sharing all-optical wavelength converters. - Kiyo Ishii; Takashi Inoue; Shu Namiki (ICTON, 2017)

Network utilization improvement using format-agnostic multi-channel wavelength converters. - Kiyo Ishii; Takashi Inoue; Inwoong Kim; Xi Wang 001; Hung Nguyen Tan; Qiong Zhang; Tadashi Ikeuchi; Shu Namiki (OFC, 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 (OFC, 2017)

Real-time path monitoring of optical nodes. - Takayuki Kurosu; Satoshi Suda; Kiyo Ishii; Shu Namiki (OFC, 2017)

Performance-assured network function virtualization for open and disaggregated optical transport systems. - Ryousei Takano; Takahiro Hirofuchi; Hirokazu Takahashi; Norio Sakaida; Katsuhiro Shimano; Kiyo Ishii; Satoshi Suda; Shu Namiki; Tomohiro Kudoh (OFC, 2017)

Fast Optical Circuit Switch for Intra-Datacenter Networking. - Koh Ueda; Yojiro Mori; Hiroshi Hasegawa; Hiroyuki Matsuura; Kiyo Ishii; Haruhiko Kuwatsuka; Shu Namiki; Toshio Watanabe; Ken-ichi Sato (IEICE Trans. Commun., 2017)

Topology Description Generation and Path Computation Framework for Dynamic Optical Path Network with Heterogeneous Switches. - Kiyo Ishii; Atsuko Takefusa; Shu Namiki; Tomohiro Kudoh (OFC, 2018)

Efficient Path Calculation Scheme for Advance Reservation of Hierarchical Optical Path Network Using Continuous Variables to Represent Switch States. - Kiyo Ishii; Shu Namiki; Atsuko Takefusa; Tomohiro Kudoh (PSC, 2018)

Analysis and Demonstration of Network Utilization Improvement Through Format-Agnostic Multi-Channel Wavelength Converters. - Kiyo Ishii; Takashi Inoue; Inwoong Kim; Xi Wang 001; Hung Nguyen Tan; Qiong Zhang; Tadashi Ikeuchi; Shu Namiki (JOCN, 2018)

Submilisecond Control/Monitoring of Disaggregated Optical Node through a Direct Memory Access based Architecture. - Kiyo Ishii; Shigeyuki Yanagimachi; Akio Tajima; Shu Namiki (OFC, 2019)

Toward Automatized Handling of Future Agile Networks Employing Various Optical Switching Functionalities. - Kiyo Ishii; Shu Namiki (OECC/PSC, 2019)

Bounds for two static optimization problems on routing and spectrum allocation of anycasting. - Yasutaka Miyagawa; Yosuke Watanabe; Maiko Shigeno; Kiyo Ishii; Atsuko Takefusa; Akiko Yoshise (Opt. Switch. Netw., 2019)

Two-Level Abstraction Approach for SDN-based Service Provisioning in Open Line Systems Featuring TAPI Externalized Path Computation. - Kiyo Ishii; Ramon Casellas; Fco. Javier Vilchez; Ricard Vilalta; Ricardo Martinez 001; Josep M. Fàbrega; Laia Nadal; Michela Svaluto Moreolo; Raul Muñoz 001; Shu Namiki (ECOC, 2020)

Automatic Resource Mapping using Functional Block Based Disaggregation Model for ROADM Networks. - Kiyo Ishii; Sugang Xu; Noboru Yoshikane; Atsuko Takefusa; Shigeyuki Yanagimachi; Takeshi Hoshida; Kohei Shiomoto; Tomohiro Kudoh; Takehiro Tsuritani; Yoshinari Awaji; Shu Namiki (OFC, 2020)

First Demonstration of Automated Updates of Disaggregate Blades in Multi-Domain/Layer Optical Path Network. - Kiyo Ishii; Sugang Xu; Noboru Yoshikane; Atsuko Takefusa; Shigeyuki Yanagimachi; Takeshi Hoshida; Kohei Shiomoto; Tomohiro Kudoh; Takehiro Tsuritani; Yoshinari Awaji; Shu Namiki (OFC, 2020)

Integration and Control of Heterogeneous Telecom and Data Center Optical Networks Aided by FBD and TAPI for Enhancing Large-scale Optical Path Services and Network Resiliency. - Sugang Xu; Kiyo Ishii; Noboru Yoshikane; Takehiro Tsuritani; Yoshinari Awaji; Shu Namiki (ECOC, 2021)

Mathematical Model of Optical Functional Blocks for Automating Fully Disaggregated Optical Networks. - Kiyo Ishii; Shu Namiki (OFC, 2021)

Blade Abstraction Interface for Diverse Blade Integration and Unified Control of Disaggregate/Legacy ROADMs. - Sugang Xu; Kiyo Ishii; Noboru Yoshikane; Takehiro Tsuritani; Yoshinari Awaji; Shu Namiki (OFC, 2021)

"Digitalizing" Optical Layer for The Green Computing Continuum As The Future Digital Infrastructure. - Shu Namiki; Kiyo Ishii (OFC, 2022)

Scalability of integer linear programming path computation for functional block-based disaggregation supporting a flexible grid mechanism [Invited]. - Kiyo Ishii; Shu Namiki (JOCN, 2022)

Enhancement of Network-Cloud Ecosystem Resilience with Openness Disaggregation and Cooperation [Invited]. - Sugang Xu; Kiyo Ishii; Noboru Yoshikane; Subhadeep Sahoo; Sifat Ferdousi; Masaki Shiraiwa; Yusuke Hirota; Takehiro Tsuritani; Massimo Tornatore; Yoshinari Awaji; Shu Namiki; Biswanath Mukherjee (OFC, 2023)

Disaggregated optical-layer switching for optically composable disaggregated computing [Invited]. - Kiyo Ishii; Ryosuke Matsumoto; Takashi Inoue; Shu Namiki (JOCN, 2023)

Performance of Radix Sort using All-to-all Optical Interconnection Network in an Eight-FPGA Cluster. - Kenji Mizutani; Yutaka Urino; Takanori Shimizu; Hiroshi Yamaguchi; Shigeru Nakamura; Tatsuya Usuki; Kiyo Ishii; Ryosuke Matsumoto; Takashi Inoue; Shu Namiki; Michihiro Koibuchi (OFC, 2024)

A Fast Control Plane for a Large-Scale and High-Speed Optical Circuit Switch System. - Ryousei Takano; Kiyo Ishii; Toshiyuki Shimizu; Fumihiro Okazaki; Shu Namiki; Ken-ichi Sato (CoRR, 2024)

Resilience enhancement in open network-cloud ecosystems through disaggregation and cooperation [Invited]. - Sugang Xu; Kiyo Ishii; Noboru Yoshikane; Subhadeep Sahoo; Sifat Ferdousi; Masaki Shiraiwa; Yusuke Hirota; Takehiro Tsuritani; Massimo Tornatore; Yoshinari Awaji; Shu Namiki; Biswanath Mukherjee (J. Opt. Commun. Netw., 2024)

In-network stable radix sorter using many FPGAs with high-bandwidth photonics [Invited]. - Kenji Mizutani; Yutaka Urino; Takanori Shimizu; Hiroshi Yamaguchi; Shigeru Nakamura; Tatsuya Usuki; Kiyo Ishii; Ryosuke Matsumoto; Takashi Inoue; Shu Namiki; Michihiro Koibuchi (J. Opt. Commun. Netw., 2025)