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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

Multiband DWDM Transmission Using a DeployedFibre-Optic Cable

Daiki Soma, Tomoyuki Kato(Fujitsu Limited), Shohei Beppu, Daniel J. Elson, Hidenobu Muranaka(Fujitsu Limited), Hiroyuki Irie(Fujitsu Limited), Shun Okada(Fujitsu Limited), Yu Tanaka(Fujitsu Limited), Yuta Wakayama, Noboru Yoshikane, Takeshi Hoshida(Fujitsu Limited), Takehiro Tsuritani

The 50th European Conference on Optical Communication (ECOC 2024)

September 2024

An Extended Closed Form of the ISRS GN Model for the Zero Dispersion Regime

Filippos Balasis, Daniel J. Elson, Mindaugas Jarmolovičius((University College London), Henrique Buglia(University College London); Eric Sillekens(University College London); Robert I. Killey(University College London), Polina Bayvel(University College London); Noboru Yoshikane, Takehiro Tsuritani, Yuta Wakayama

The 50th European Conference on Optical Communication (ECOC 2024)

September 2024

LLM-enabled Full-stack Configuration Automation of SDM Transport Network

Cen Wang, Yuta Wakayama, Noboru Yoshikane, Takehiro Tsuritani

The 50th European Conference on Optical Communication (ECOC 2024)

September 2024

Service Provision and Fault Recovery Powered by Ultra-fast QoT Inference and Online Learning on a Field Deployed Meshed WDM-over-SDM Network

Cen Wang, Daniel J. Elson, Shohei Beppu, Daiki Soma, Seiya Sumita, Yuta Wakayama

The 50th European Conference on Optical Communication (ECOC 2024)

September 2024

126-Tb/s 2-Core Fibre Transmission over 114.6 km × 5 Spans with Ultra-Low-Loss Fibre Bundle Fan-in/Fan-out

Kosuke Komatsu , Shohei Beppu, Daiki Soma, Dai Sasaki(OrbrayCo., Ltd.), Tsutomu Okamoto(OrbrayCo., Ltd.) , Michael Lorenz (Heraeus Comvance), Qiulin Ma(Heraeus Comvance), Noboru Yoshikane, Takehiro Tsuritani, Martin Böttcher (Heraeus Comvance), Ansgar Meissner(OrbrayCo., Ltd.), Lidia Galdino(Corning Incorporated.), Kevin Bennett(Corning Incorporated.), Sergejs Makovejs(Corning Incorporated.), Yuta Wakayama

The 50th European Conference on Optical Communication (ECOC 2024)

September 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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