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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

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

18,090-km 2-Core Fiber Transmission Using Circulatory Directional Fan-in/Fan-out Devices

Daiki Soma, Shohei Beppu, Lidia Galdino(Corning), Michael Lorenz(Heraeus Comvance), Qiulin Ma(Heraeus Comvance), Katsuhiro Iwasaki(Kohoku Kogyo), Seiya Sumita, Kosuke Komatsu, Daniel Elson, Tomoaki Kiriyama(Kohoku Kogyo), Katsuya Kito(Kohoku Kogyo), Keito Kitamura(Kohoku Kogyo), Hidenori Takahashi, Noboru Yoshikane, akashi Kato(Kohoku Kogyo), Takehiro Tsuritani, Martin Boettcher(Heraeus Comvance), Ansgar Meissner(Heraeus Comvance), Kevin Bennett(Corning), Sergejs Makovejs(Corning), Yuta Wakayama

2024 Optical Fiber Communications Conference and Exhibition (OFC)

March 2024

Metasurface-Based Coherent Receiver Insensitive to LO Polarization

Kento Komatsu(The Univerisity of Tokyo), Shota Ishimura, Chun Ren(The Univerisity of Tokyo), Go Soma(The Univerisity of Tokyo), Hidenori Takahashi, Takehiro Tsuritani, Masatoshi Suzuki, Yoshiaki Nakano(The Univerisity of Tokyo), Takuo Tanemura(The Univerisity of Tokyo)

2024 Optical Fiber Communications Conference and Exhibition (OFC)

March 2024

Circularly-Polarized Self-Homodyne Free-Space Optical Communication Using Partial Stokes-Vector Receiver

Shota Ishimura, Hidenori Takahash, Go Soma(The University of Tokyo), Kento Komatsu(The University of Tokyo), Takuo Tanemura(The University of Tokyo), Takehiro Tsuritani, Masatoshi Suzuki

2024 Optical Fiber Communications Conference and Exhibition (OFC)

March 2024

122.6 Tb/s S+C+L Band Unrepeated Transmission Over 223 km Link With Optimised Bidirectional Raman Amplification

Jiaqian Yang(University College London), Romulo Aparecido de Paula Junior(University College London), Henrique Buglia(University College London), Pratim Hazarika(Aston University), Eric Sillekens(University College London), Ronit Sohanpal(University College London), Mingming Tan(Aston University), Dini Pratiwi(Aston University), Ruben Luis(NICT), Benjamin Puttnam(NICT), Yuta Wakayama, Wladek Forysiak(Aston University), Polina Bayvel(University College London), Robert Killey(University College London)

2024 Optical Fiber Communications Conference and Exhibition (OFC)

March 2024

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Awards

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

2022.9.21

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

10.51-Tbit/s if-Over-Fibre Mobile Fronthaul Link Using SDM/WDM/SCM for Accommodating Ultra High-Density Antennas in Beyond-5G Mobile Communication Systems

Kazuki Tanaka, Shinji Nimura, Shota Ishimura, Kosuke Nishimura, Ryo Inohara, Takehiro Tsuritani, Masatoshi Suzuki

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