High Speed Conveyed Bill Money Recognition with Neural Network. - Fumiaki Takeda; Sigeru Omatu 001; Takashi Inoue; Saizo Onami (Robotics, Mechatronics and Manufacturing Systems, 1993)

A distributed method for access network operation system platform. - Takashi Inoue; Norio Kashima (NOMS, 1998)

Soft Planar Actuator using Pneumatic-Rubber Balls. - Toshiro Noritsugu; Daijyu Kaneshiro; Takashi Inoue (J. Robotics Mechatronics, 2000)

DP matching using Kalman filter as pre-processing in on-line signature verification. - Masahiro Tanaka; Yumi Ishino; Hironori Shimada; Takashi Inoue (IWFHR, 2002)

An operation support system architecture for network provisioning of optical access networks. - Kenichi Tayama; Tsutomu Maruyama; Hiroshi Uno; Takashi Inoue (NOMS, 2002)

Multi carrier forward link packet scheduler for high-speed packet data system. - Akira Yamaguchi; Yoshio Takeuchi; Takashi Inoue (PIMRC, 2002)

Determination of Decision Boundaries for Online Signature Verification. - Masahiro Tanaka; Yumi Ishino; Hironori Shimada; Takashi Inoue; Andrzej Bargiela (KES, 2003)

Construction of the three-dimensional brain tumor model for the operative treatment simulation by 3-D active sphere. - Shunrou Fujiwara; Akio Doi; Kouichi Matsuda; Masashi Kameda; Takashi Inoue; Akira Ogawa (Image-Guided Procedures, 2003)

Downlink beamforming performance of SDM enabled cellular systems. - Feng Lu; Yoshiaki Amano; Takashi Inoue; Yoshio Takeuchi (ICC, 2004)

An experiment on MIMO system having three orthogonal polarization diversity branches in multipath-rich environment. - Nirmal Kumar Das; Takashi Inoue; Tetsuki Taniguchi; Yoshio Karasawa (VTC Fall (2), 2004)

Forward link throughput evaluation of a SDMA based wireless packet cellular system. - Song Shi; Yoshiaki Amano; Kengo Kawamoto; Akira Yamaguchi; Takashi Inoue; Yoshio Takeuchi; Toshio Kawazawa (VTC Fall (2), 2004)

An Operation Support System Architecture and Process for Optical Access Network Allocation during Service Provisioning. - Kenichi Tayama; Takashi Inoue; Tsutomu Maruyama; Hiroshi Uno (J. Netw. Syst. Manag., 2004)

Forward Link Beamforming Performances of FDD-SDMA Packet Cellular Testbed System. - Yoshiaki Amano; Masafumi Hirono; Takashi Inoue; Toshio Kawazawa (PIMRC, 2005)

A Proposal of Requirement Definition Method with Patterns for Element / Network Management. - Masataka Sato; Masateru Inoue; Takashi Inoue; Tetsuya Yamamura (APNOMS, 2006)

VR Edutainment Material Interlude for Dynamics Experiment and the Development Platform Prelude. - Yuma Hanafusa; Takashi Inoue; Hiroyuki Tominaga; Toshihiro Hayashi; Toshinori Yamasaki (ICCE, 2006)

Fundamental Analysis of Two-layered Scheduling Algorithm for a Wireless Packet System. - Sumaru Niida; Takashi Inoue; Yoshio Takeuchi (VTC Spring, 2006)

A Software Radio Implementation of CDMA2000 1xEV-DO on a Single DSP Chip Designed for Mobile Handset Terminal. - Shingo Watanabe; Yoshio Kunisawa; Daisuke Kamisaka; Takashi Inoue; Yoshio Takeuchi (VTC Fall, 2006)

Burst Construction and Packet Mapping Scheme for OFDMA Downlinks in IEEE 802.16 Systems. - Takeo Ohseki; Megumi Morita; Takashi Inoue (GLOBECOM, 2007)

Artifact Reuse Method using Knowledge Base to Develop Operation Support Systems. - Masateru Inoue; Masataka Sato; Shingo Horiuchi; Takashi Inoue; Tetsuya Yamamura (Integrated Network Management, 2007)

Simple Implementation of QoS Wireless Packet Scheduling in IEEE 802.16 Systems. - Megumi Morita; Takeo Ohseki; Takashi Inoue (PIMRC, 2007)

Performance Evaluation of Centralized Control Algorithm for Channel Allocation in Pico-Cell System. - Kenya Yonezawa; Kosuke Yamazaki; Takashi Inoue (VTC Fall, 2007)

Applying MDA to Game Software Development. - Takashi Inoue; Yoshiyuki Shinkawa (ICEIS (3-2), 2008)

Output characteristics of cellular neural networks using mixture template. - Takashi Inoue; Masaru Nakano; Yoshifumi Nishio (IJCNN, 2008)

Laboratory experiments of TDD/SDMA OFDM wireless backhaul in a downlink for hierarchical broadband wireless access systems. - Yoshiaki Amano; Takashi Inoue (PIMRC, 2008)

A Novel Frequency Channel Allocation Method for 2.4 GHz Wireless LAN. - Kenya Yonezawa; Takashi Inoue (VTC Fall, 2008)

Proposal for Radio Resource Allocation Using Dummy Burst Definition in IEEE 802.16 Uplinks. - Takeo Ohseki; Takashi Inoue (WCNC, 2008)

Applications of color image processing using three-layer cellular neural network considering HSB model. - Takashi Inoue; Yoshifumi Nishio (IJCNN, 2009)

Cellular neural network with dynamic template and its output characteristics. - Masakazu Kawahara; Takashi Inoue; Yoshifumi Nishio (IJCNN, 2009)

Propagation Characteristics Measurements for Multi-Site MIMO Systems in Urban Micro-Cellular Environment. - Kenya Yonezawa; Masashi Fushiki; Megumi Morita; Takashi Inoue (VTC Fall, 2009)

Space-varying cellular neural networks designed by Hopfield neural network. - Yasuhiro Ueda; Masakazu Kawahara; Takashi Inoue; Yoko Uwate; Yoshifumi Nishio (IJCNN, 2010)

Collaborative Design Support System Based on Interactive Genetic Algorithm (IGA). - Yasufumi Inoue; Takashi Inoue; Masataka Tokumaru (HCI (28), 2013)

Using GIS to Simulate Inpatient's Behavior and Visualize Healthcare Demand. - Shunsuke Doi; Takashi Inoue; Hiroo Ide; Toshihito Nakamura; Shinsuke Fujita; Katsuhiko Takabayashi (KES, 2013)

Efficient quadrature squeezing of QPSK signals by sideband-assisted dual-pump phase sensitive amplifier. - Mingyi Gao; Takayuki Kurosu; Takashi Inoue; Shu Namiki (OFC/NFOEC, 2013)

Demonstration of parametric tunable dispersion compensation for WDM channels with mixed OOK and QPSK formats. - Takashi Inoue; Ken Tanizawa; Shu Namiki (OFC/NFOEC, 2013)

Pass-drop operations of 4×172Gb/s Nyquist OTDM-WDM over cascade of WSSs using distributed matched filtering. - Hung Nguyen Tan; Takashi Inoue; Shu Namiki (OFC/NFOEC, 2013)

Effect of Carbon Fiber Orientation and Helix Angle on CFRP Cutting Characteristics by End-Milling. - Masahiro Hagino; Takashi Inoue (Int. J. Autom. Technol., 2013)

Cutting Characteristics of CFRP Materials with Carbon Fiber Distribution. - Takashi Inoue; Masahiro Hagino (Int. J. Autom. Technol., 2013)

Signal power asymmetry tolerance of an optical phase conjugation-based nonlinear compensation system. - Karen Solis-Trapala; Takashi Inoue; Shu Namiki (ECOC, 2014)

All-optical Nyquist filtering for elastic OTDM signals and their spectral defragmentation for inter-datacenter networks. - Hung Nguyen Tan; Takashi Inoue; Ken Tanizawa; Takayuki Kurosu; Shu Namiki (ECOC, 2014)

Using Geographic Information Systems to Simulate Patient Access Areas. - Shunsuke Doi; Takashi Inoue; Hiroo Ide; Toshihito Nakamura; Shinsuke Fujita; Takahiro Suzuki; Katsuhiko Takabayashi (MIE, 2014)

DSP-implementable block processing of carrier-phase recovery for M-QAM signals. - Takashi Inoue; Shu Namiki (OFC, 2014)

Nearly-ideal optical phase conjugation based nonlinear compensation system. - Karen Solis-Trapala; Takashi Inoue; Shu Namiki (OFC, 2014)

Counter-dithering pump scheme for cascaded degenerate FWM based wavelength converter. - Hung Nguyen Tan; Takashi Inoue; Ken Tanizawa; Stephane Petit; Yoichi Oikawa; Shigehiro Takasaka; Takeshi Yagi; Shu Namiki (OFC, 2014)

Multi-tone counter dithering of terabit/s polarization multiplexed signals for enhanced FWM with a single pump. - Mark Pelusi; Karen Solis-Trapala; Hung Nguyen Tan; Takashi Inoue; Shu Namiki (ECOC, 2015)

Doubled transmission reach for DP-64QAM signal over field-deployed legacy fiber systems enabled by MSSI. - Karen Solis-Trapala; Mark Pelusi; Hung Nguyen Tan; Takashi Inoue; Satoshi Suda; Shu Namiki (ECOC, 2015)

Highly cascadable all-optical wavelength conversions of DP-QPSK, DP-16QAM, and DP-64QAM signals. - Hung Nguyen Tan; Takashi Inoue; Shu Namiki (ECOC, 2015)

Dispersion pre-compensation for PAM transmission system using 1-sample/symbol DAC and IQ modulator. - Takashi Inoue; Shu Namiki (OFC, 2015)

Field transmission of uncompressed ultra-high definition video signals through dynamic optical path network. - Takayuki Kurosu; Satoshi Suda; Takashi Inoue; Junya Kurumida; Junichiro Kawamoto; Tsuyoshi Nakatogawa; Shu Namiki (OFC, 2015)

Low noise degenerate FWM of 12×100 Gb/s DP-QPSK signals with counter-dithering of pump and idler waves. - Mark Pelusi; Karen Solis-Trapala; Hung Nguyen Tan; Takashi Inoue; Shu Namiki (OFC, 2015)

Transmission optimized impairment mitigation by 12 stage phase conjugation of WDM 24×48 Gb/s DP-QPSK signals. - Karen Solis-Trapala; Mark Pelusi; Hung Nguyen Tan; Takashi Inoue; Shu Namiki (OFC, 2015)

First demonstration of wavelength translation for 1.376-Tbit/s DP-QPSK Nyquist OTDM signal. - Hung Nguyen Tan; Takashi Inoue; Takayuki Kurosu; Shu Namiki (OFC, 2015)

Quadrature Squeezing and IQ De-Multiplexing of QPSK Signals by Sideband-Assisted Dual-Pump Phase Sensitive Amplifiers. - Mingyi Gao; Takayuki Kurosu; Karen Solis-Trapala; Takashi Inoue; Shu Namiki (IEICE Trans. Commun., 2015)

Signal-transparent wavelength conversion and light-speed back propagation through fiber. - Shu Namiki; Hung Nguyen Tan; Karen Solis-Trapala; Takashi Inoue (OFC, 2016)

Virtualization of EPON OLT functions and collision suppression techniques for Multi-Point MAC control. - Keita Nishimoto; Masashi Tadokoro; Takeaki Mochida; Akiyuki Takeda; Toshikiyo Tanaka; Takashi Inoue (OFC, 2016)

Dust Collection Validity and Effect of Hole Shape Accuracy of CFRP with Developed Hollow-Type Drill and Dust Collector. - Masahiro Hagino; Takashi Inoue; Masanobu Mizoguchi; Wataru Aoki; Fumiaki Matsumoto (Int. J. Autom. Technol., 2016)

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

Design and demonstration of 30-nm tunable guard-band-less all-optical wavelength converter for WDM signals. - Takashi Inoue; Shigehiro Takasaka; Kazuya Ota; Shu Namiki (OFC, 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)

Regeneration of noise limited frequency comb lines for 64-QAM by Brillouin gain seeded via SSB modulation. - Mark Pelusi; Amol Choudhary; Takashi Inoue; David Marpaung; Benjamin J. Eggleton; Shu Namiki (OFC, 2017)

Silicon-photonics polarization-insensitive broadband strictly-non-blocking 8 × 8 blade switch. - Keijiro Suzuki; Ken Tanizawa; Satoshi Suda; Hiroyuki Matsuura; Takashi Inoue; Kazuhiro Ikeda; Shu Namiki; Hitoshi Kawashima (OFC, 2017)

Design of softwarized EPON OLT and its transmission jitter suppression techniques over MPCP. - Masashi Tadokoro; Keita Nishimoto; Takeaki Mochida; Toshikiyo Tanaka; Takashi Yamada; Akiyuki Takeda; Takashi Inoue (OFC, 2017)

64-QAM Signal Carrier Recovery from Low Power Pilot Tone by Narrowband Brillouin Amplification before Coherent Detection. - Mark Pelusi; Takashi Inoue; Shu Namiki (ECOC, 2018)

Noise Characterization of Brillouin Amplified Narrowband Carriers for Coherent Communications. - Mark Pelusi; Takashi Inoue; Shu Namiki (ECOC, 2018)

Lossless Operation of SOA-Integrated Silicon Photonics Switch for 8 × 32-Gbaud 16-QAM WDM Signals. - Ryotaro Konoike; Keijiro Suzuki; Takashi Inoue; Takeshi Matsumoto; Teruo Kurahashi; Ayahito Uetake; Kazumasa Takabayashi; Suguru Akiyama; Shigeaki Sekiguchi; Kazuhiro Ikeda; Shu Namiki; Hitoshi Kawashima (OFC, 2018)

Fully-Loaded and Cascaded Operation of Polarization-Diversity 8 × 8 Silicon Photonics Optical Switch with 11-ch × 32/44-Gbaud DP-16QAM WDM Transmission. - Takayuki Kurosu; Takashi Inoue; Keijiro Suzuki; Satoshi Suda; Shu Namiki (OFC, 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)

Remediation of Coastal Marine Sediment using Iron. - Ahmad Seiar Y.; Y. Nakamura; T. Miyatuji; Y. Hagino; T. Kobayashi; Y. Shigeoka; Takashi Inoue (GISTAM, 2019)

High-Efficient Black-Box Calibration of Large-Scale Silicon Photonics Switches by Bacterial Foraging Algorithm. - Guangwei Cong; Noritsugu Yamamoto; Takashi Inoue; Makoto Okano; Yuriko Maegami; Morifumi Ohno; Koji Yamada (OFC, 2019)

Carrier to Noise Ratio Improvement by Brillouin Amplification for 64-QAM Coherent Communications. - Mark Pelusi; Takashi Inoue; Shu Namiki (OFC, 2019)

Flexible baud-rate switching for Nyquist OTDM signals. - Koji Takahashi; Yu Yamasaki; Takashi Inoue; Tsuyoshi Konishi (OECC/PSC, 2019)

Flexible and lossless baud-rate switching for 4-time slots Nyquist OTDM signals using wavelength selective switch. - Koji Takahashi; Yu Yamasaki; Takashi Inoue; Tsuyoshi Konishi (IEICE Electron. Express, 2019)

Large-Scale and Fast Optical Circuit Switch for Coherent Detection Using Tunable Local Oscillators Formed with Wavelength Bank and Widely-Tunable Silicon Ring Filters. - Ryosuke Matsumoto; Ryotaro Konoike; Hiroyuki Matsuura; Keijiro Suzuki; Takashi Inoue; Yojiro Mori; Kazuhiro Ikeda; Shu Namiki; Ken-ichi Sato (ECOC, 2020)

Interferometer-Based Photonic Circuit Classifier Showing >90% Accuracy for Well-Known Iris Dataset without Utilizing Nonlinear Activation Function. - Guangwei Cong; Noritsugu Yamamoto; Takashi Inoue; Yuriko Maegami; Morifumi Ohno; Makoto Okano; Shu Namiki; Koji Yamada (OFC, 2020)

Scalable and Fast Optical Circuit Switch Created with Silicon-Photonic Tunable-Filter-Based Local Oscillator Bank and Colorless Coherent Detection. - Ryosuke Matsumoto; Takashi Inoue; Ryotaro Konoike; Hiroyuki Matsuura; Keijiro Suzuki; Yojiro Mori; Kazuhiro Ikeda; Shu Namiki; Ken-ichi Sato (OFC, 2020)

Narrowband and Low-Noise Brillouin Amplification for Coherent Communications. - Mark Pelusi; Takashi Inoue; Shu Namiki (OFC, 2020)

Compensation of SOA Nonlinear Distortions by Mid-Stage Optical Phase Conjugation. - Aneesh Sobhanan; Mark Pelusi; Takashi Inoue; Deepa Venkitesh; Shu Namiki (OFC, 2020)

Enhanced Coherent Communications with Brillouin Amplifiers. - Mark Pelusi; Takashi Inoue; Shu Namiki (ECOC, 2021)

Experimental Demonstration of XOR Separation by On-chip Training a Linear Silicon Photonic Circuit. - Guangwei Cong; Noritsugu Yamamoto; Takashi Inoue; Yuriko Maegami; Morifumi Ohno; Shota Kita; Shu Namiki; Koji Yamada (OFC, 2021)

Fast Optical Switch Utilizing Coherent Detection Enabled by Cooperative Filtering of Transmission Signal and Local Oscillator (LO) Wavelength Sourced from an LO Bank. - Ryosuke Matsumoto; Ryotaro Konoike; Hiroyuki Matsuura; Keijiro Suzuki; Takashi Inoue; Kazuhiro Ikeda; Shu Namiki; Ken-ichi Sato (OFC, 2021)

Fully-Loaded Operation of 0.29-pJ/bit Wall-plug Efficiency, 81.9-Tb/s Throughput 32 × 32 Silicon Photonics Switch. - Ryosuke Matsumoto; Ryotaro Konoike; Keijiro Suzuki; Hiroyuki Matsuura; Kazuhiro Ikeda; Takashi Inoue; Shu Namiki (OFC, 2021)

Control of Fine Cutting Chips to Improve the Processing Environment in CFRP Drilling. - Masahiro Hagino; Takashi Inoue; Kazushige Tokuno; Takeshi Nishiwaki; Junji Miyamoto (Int. J. Autom. Technol., 2021)

Machining Temperature and Accuracy of Magnesium Alloy AZ31 with Deep-Hole Small Drilling. - Takashi Inoue; Masahiro Hagino; Kazushige Tokuno; Ryo Suboi; Kei Somaya (Int. J. Autom. Technol., 2021)

Brain Temperature Measured by Magnetic Resonance Spectroscopy to Predict Clinical Outcome in Patients with Infarction. - Tomohisa Ishida; Takashi Inoue; Tomoo Inoue; Toshiki Endo; Miki Fujimura; Kuniyasu Niizuma; Hidenori Endo; Teiji Tominaga (Sensors, 2021)

Scalable and Fast Optical Circuit Switch Exploiting Colorless Coherent Detection. - Ryosuke Matsumoto; Ryotaro Konoike; Keijiro Suzuki; Takashi Inoue; Shu Namiki; Ken-ichi Sato (OFC, 2022)

Propagation Symmetry Enhanced Distortion Compensation by Optical Phase Conjugation via Step-Profiling Fiber Links. - Mark Pelusi; Ryosuke Matsumoto; Takashi Inoue; Shu Namiki (OFC, 2022)

Recent Advances in Large-scale Optical Switches Based on Silicon Photonics. - Keijiro Suzuki; Ryotaro Konoike; Hiroyuki Matsuura; Ryosuke Matsumoto; Takashi Inoue; Shu Namiki; Hitoshi Kawashima; Kazuhiro Ikeda (OFC, 2022)

Demonstration of Port-Selective Beam Scanner Incorporating Silicon Vertically Curved Waveguide Antenna Arrays. - Yuki Atsumi; Tomoya Yoshida; Ryosuke Matsumoto; Ryotaro Konoike; Youichi Sakakibara; Takashi Inoue; Keijiro Suzuki (OECC/PSC, 2022)

Fully-loaded 32×32 silicon thermo-optic switches for disaggregated computing. - Ryosuke Matsumoto; Ryotaro Konoike; Keijiro Suzuki; Hiroyuki Matsuura; Kazuhiro Ikeda; Takashi Inoue; Shu Namiki (OECC/PSC, 2022)

Interplay of Probabilistically Shaped Multilevel Coded Modulation and Fiber Nonlinearity Compensation. - Tsuyoshi Yoshida; Takashi Inoue; Masashi Binkai; Keisuke Matsuda; Shota Koshikawa; Yoshiaki Konishi; Naoki Suzuki (OECC/PSC, 2022)

Free-Space Signal Transmission Using Optical Beam Scanning Device Incorporating Broadband Silicon Surface Optical Couplers. - Yuki Atsumi; Tomoya Yoshida; Ryosuke Matsumoto; Ryotaro Konoike; Youichi Sakakibara; Takashi Inoue; Keijiro Suzuki (OFC, 2023)

Performance Verification of 7, 424 × 7, 424 Optical Switch Offering 1.4 μs Switching Time. - Ryosuke Matsumoto; Ryotaro Konoike; Hiroyuki Matsuura; Keijiro Suzuki; Takashi Inoue; Kazuhiro Ikeda; Shu Namiki; Ken-ichi Sato (OFC, 2023)

Pre-Link Compensation of Nonlinear Signal Distortion by a Phase Conjugation and Parameter Profiled Fiber Module. - Mark Pelusi; Ryosuke Matsumoto; Takashi Inoue; Shu Namiki (OFC, 2023)

Core-to-Core Switching Module for 4-Core MCFs Using Silicon Photonics Matrix Switch Incorporating Silicon Vertically Curved Optical Coupler. - Tomoya Yoshida; Yuki Atsumi; Emiko Omoda; Katsuya Kito; Katsuhiro Iwasaki; Yusuke Kinoshita; Tomoaki Kiriyama; Ryotaro Konoike; Keijiro Suzuki; Ryosuke Matsumoto; Takashi Inoue; Kazuhiro Ikeda; et al. (OFC, 2023)

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

Broadband Port-Selective Silicon Beam Scanning Device for Free-Space Optical Communication. - Yuki Atsumi; Tomoya Yoshida; Ryosuke Matsumoto; Ryotaro Konoike; Youichi Sakakibara; Takashi Inoue; Keijiro Suzuki (IEICE Trans. Electron., 2023)

Cost-effective ROADM Using Wide-bandwidth Silicon Tunable Ring Filter for Drop Operation. - Ryosuke Matsumoto; Ryotaro Konoike; Hiroyuki Matsuura; Keijiro Suzuki; Takashi Inoue; Kazuhiro Ikeda; Shu Namiki; Ken-ichi Sato (OFC, 2024)

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)

Implementing Optical Analog Computing and Electrooptic Hopfield Network by Silicon Photonic Circuits. - Guangwei Cong; Noritsugu Yamamoto; Takashi Inoue; Yuriko Maegami; Morifumi Ohno; Shota Kita; Rai Kou; Shu Namiki; Koji Yamada (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024)

Full C-band Two-Dimensional Beam-Steering Silicon PIC and 15.36-Tbit/s Free-Space Optical Transmission. - Tomoya Yoshida; Takashi Inoue; Yuki Atsumi; Ryosuke Matsumoto; Ryotaro Konoike; Kazuhiro Ikeda; Keijiro Suzuki (OFC, 2025)

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)