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Research and development on innovative technologies for next-generation optical infrastructure toward Beyond 5G and 6G era.

News Release&Topics

Advanced Technology Laboratories
December 4, 2023

Fujitsu and KDDI Research successfully implement large-capacity multiband wavelength multiplexing transmission with installed optical fiber

Advanced Technology Laboratories
October 20, 2023

World’s First Successful Experiments in Ultrawideband Optical Fiber Transmission at 115.2 THz, 24 Times Broader Than Conventional Bandwidth

Advanced Technology Laboratories
May 18, 2023

Utilization of ultrawide bands to increase the capacity of optical fiber communication: The world’s first successful O-band coherent high-density wavelength division multiplexing transmission experiment

Advanced Technology Laboratories
November 21, 2022

KDDI Research members win 2022 IEEE Photonics Technology Letters Best Paper Award

Advanced Technology Laboratories
September 22, 2022

World's First Successful Demonstration of High-Power Free-Space Optical Communication Using Photonic-Crystal Surface-Emitting Lasers (PCSELs)

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Publications

A Distributed-Ledger-based Multi-Entity Cooperation Platform for Network-Cloud Recovery

Sugang Xu(NICT), Subhadeep Sahoo(University of California), Noboru Yoshikane, Sifat Ferdousi(University of California), Masaki Shiraiwa(NICT), Yusuke Hirota(NICT), Takehiro Tsuritani, Massimo Tornatore(Politecnico di Milano), Yoshinari Awaji(NICT), Biswanath Mukherjee(University of California)

The 28th International Conference on Optical Network Design and Modelling (ONDM2024)

May 2024

Experimental Demonstration of Silicon Photonic Reservoir Computing with a Multimode Racetrack-Loop Device

Takashi Kan, Siim Heinsalu(Waseda University), WHideaki Tanaka, Hirotaka Oshima(Waseda University), Hidenori Takahashi, Takehiko Tsuritani, Katsuyuki Utaka(Waseda University), Masatoshi Suzuki

Conference on Lasers and Electro-Optics (CLEO2024)

May 2024

Generation of watt-class FM signals with suppressed AM from PCSELs for coherent free-space optical communications

Takuya Inoue(Kyoto University), Ryohei Morita(Kyoto University), Shuei Nakano(Kyoto University), Shota Ishimura, Kosuke Nishimura, Hidenori Takahashi, Takehiko Tsuritani, Menaka Zoysa(Kyoto University), Kenji Ishizaki(Kyoto University), Masatoshi Suzuki, Susumu Noda(Kyoto University)

Conference on Lasers and Electro-Optics (CLEO2024)

May 2024

Photonic Extreme Learning Machine by Using Intermodulation in a Mach-Zehnder Modulator Driven by Subcarrier Signal

Hideaki Tanaka, Takashi Kan, Hidenori Takahashi

Conference on Lasers and Electro-Optics (CLEO2024)

May 2024

Continuous 16.4-THz Bandwidth Coherent DWDM Transmission in O-Band Using a Single Fibre Amplifier System

Daniel Elson, Vitaly Mikhailov(OFS Laboratories), Jiawei Luo(OFS Laboratories), Shohei Beppu, Glenn Baxter(Finisar Austrailia), Ralf Stolte(Finisar Austrailia), Luke Stewart(Finisar Austrailia), Shigehiro Takasaka(Furukawa Electric Co.), Mindaugas Jarmolovičius(University College London), Eric Sillekens(University College London), Robert Killey(University College London), Polina Bayvel(University College London), Noboru Yoshikane, Takehiro Tsuritani, Yuta Wakayama

2024 Optical Fiber Communications Conference and Exhibition (OFC)

March 2024

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Awards

2023.7.4

OECC2023(the 28th Optoelectronics and Communications Conference)「Best Paper Award in Industry Innovation」

Power-Fading-Free Analog-RoF Transmission using IF/LO Frequency Optimization

Shinji Nimura, Kazuki Tanaka, Hirotaka Ochi, Kousuke Nishimura, Ryou Inohara

2023.3.6

OFC2023「Top Scored Paper」

Automation of Fast Configuration Error Diagnosis in Optical Transport Networks - Natural Language Processing is All You Need

Cen Wangk, Noboru Yoshikane, Daniel Elson, Takehiro Tsuritani

2023.3.6

OFC2023「Top Scored Paper」

114 Pbit/s・km Transmission Using Three Vendor-Installed 60-km Standard Cladding Multi-Core Fiber Spans With Multiple Fusion Splicing

Daiki Soma, Shohei Beppu, Yuichi Miyagawa (KDDI Corporation), Noboru Yoshikane, Takehiro Tsuritani

2023.3.6

OFC2023「Top Scored Paper」

Real-Time 6-Mode 19-Core Fiber Transmission

Shohei Beppuk, Masahiro Kikuta(NEC Platforms, Ltd.), Daiki Soma, Yoichi Yaegashi(NEC Platforms, Ltd.), Koji Igarashi(Osaka University), Masahiro Shigihara(NEC Platforms, Ltd.), Kazuhiko Aizawa(NEC Platforms, Ltd.), Noboru Yoshikane, Takehiro Tsuritani

2022.9.22

The 48th European Conference on Optical Communication (ECOC 2022)「Highly Scored Paper」

FIFO-Less Core-Pumped Multicore Fibre Amplifier With Fibre Bragg Grating Based Gain Flattening Filter

Yuta Wakayama, Noboru Yoshikane, Takehiro Tsuritani

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