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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OPE, LQE, OCS | 2024-10-18 14:15 |
Yamaguchi | (Yamaguchi) | Demonstration of 1-Tb/s visible light coherent communication at a wavelength of 780 nm Takashi Kan, Shota Ishimura, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research)  OCS2024-43 OPE2024-96 LQE2024-43 |
In the era of Beyond 5G/6G, where the expansion of non-terrestrial networks (NTN) is anticipated, the application of opt... [more] | OCS2024-43 OPE2024-96 LQE2024-43 pp.98-102 |
| OPE, LQE, OFT, OCS | 2024-05-17 16:05 |
Online | Online (Online) | [Special Invited Talk]
Metasurface-based Coherent Receiver Insensitive to LO Polarization Takuo Tanemura, Kento Komatsu (Univ. Tokyo), Shota Ishimura (KDDI Research), Chun Ren, Go Soma (Univ. Tokyo), Hidenori Takahashi, Takehiro Tsuritani (KDDI Research), Masatoshi Suzuki (Waseda Univ.), Yoshiaki Nakano (Univ. Tokyo) OCS2024-7 OFT2024-18 OPE2024-7 LQE2024-7 |
This talk reviews the results presented at OFC 2024 postdeadline paper Th4B.2. Conventional dual-polarization (DP) cohe... [more] | OCS2024-7 OFT2024-18 OPE2024-7 LQE2024-7 pp.27-30 |
| PN | 2024-03-15 10:10 |
Kagoshima | (Kagoshima, Online) (Primary: On-site, Secondary: Online) |
Optically powered antenna unit with remotely optical amplification using a multi core fiber Mizuki Fukuyama, Motoharu Matsuura (UEC), Hidenori Takahashi, Noboru Yashikane, Takehiro Tsuritani (KDDI Research, Inc.) PN2023-79 |
We experimentally demonstrate a simultaneous transmission of data signal, feed light and pump light using a multi-core f... [more] | PN2023-79 pp.53-57 |
| LQE, OPE, OCS | 2023-11-24 16:05 |
Online | Online (Online) | [Special Invited Talk]
O+S+C+L+U-Band Digital Coherent DWDM Transmission Using a Deployed Optical Cable Daiki Soma (KDDI Research), Tomoyuki Kato (Fujitsu), Shohei Beppu, Daniel J. Elson (KDDI Research), Hidenobu Muranaka, Hiroyuki Irie, Shun Okada, Yu Tanaka (Fujitsu), Yuta Wakayama, Noboru Yoshikane (KDDI Research), Takeshi Hoshida (Fujitsu), Takehiro Tsuritani (KDDI Research) OCS2023-54 OPE2023-104 LQE2023-51 |
We demonstrate an O+S+C+L+U-band digital coherent DWDM transmission system as an upgrade scenario from a C+L-band system... [more] | OCS2023-54 OPE2023-104 LQE2023-51 pp.25-29 |
| LQE, OPE, OCS | 2023-11-24 16:30 |
Online | Online (Online) | [Special Invited Talk]
Demonstration of 4-core Dual-polarization Optical Hybrid Using Dielectric Metasurface Kento Komtsu, Go Soma (Univ. of Tokyo), Shota Ishimura, Hidenori Takahashi, Takehiro Tsuritani, Masatoshi Suzuki (KDDI Research), Yoshiaki Nakano, Takuo Tanemura (Univ. of Tokyo) OCS2023-55 OPE2023-105 LQE2023-52 |
This technical report reviews the presentation of the ECOC2023 postdeadline paper Th.C.1.3. Spatially scalable metasurfa... [more] | OCS2023-55 OPE2023-105 LQE2023-52 pp.30-33 |
| PN | 2023-11-16 15:30 |
Ehime | (Ehime, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Free-space optical communications using photonic-crystal surface-emitting lasers Shota Ishimura (KDDI Research.), Ryohei Morita, Takuya Inoue (Kyoto Univ.), Kosuke Nishimura, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research.), Menaka De Zoysa, Kenji Ishizaki (Kyoto Univ.), Masatoshi Suzuki (KDDI Research.), Susumu Noda (Kyoto Univ.) PN2023-41 |
Recently, the application of optical communication in space has been actively discussed. Compared to microwaves or milli... [more] | PN2023-41 pp.27-32 |
| PN | 2023-08-29 10:55 |
Hokkaido | (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Transmission Performance of Radio-over-Fiber with Remote Amplification Using Multicore Fibers Mizuki Fukuyama, Motoharu Matsuura (UEC), Hidenori Takahashi, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research, Inc.) PN2023-18 |
We experimentally demonstrate simultaneous data signal and pump light using a multi-core fiber for remotely amplifying t... [more] | PN2023-18 pp.11-14 |
| PN | 2023-08-29 13:00 |
Hokkaido | (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Development of wireless-optical fusion communication systems for ultra-broadband beyond-5G wireless network Hiroshi Murata, Yui Otagaki (Mie Univ.), Ken-ichi Kashima, Ryotaro Manabe (Hitachi Kokusai Electric), Atsunobu Ota (Kyoto Semiconductor), Takehiro Tsuritani, Kosuke Nishimura, Hidenori Takahashi, Hotaka Hayashi (KDDI Research), Yukihiko Suga, Bekkali Abdelmoula, Michikazu Hattori, Yuichiro Hara (Toyo Electric) PN2023-20 |
In the next generation (Beyond-5G/6G) wireless mobile communication systems, advanced performances for high-speed data t... [more] | PN2023-20 pp.19-22 |
| CS | 2023-07-28 10:35 |
Tokyo | Hachijo-machi Chamber of Commerce and Industry (Tokyo) | [Invited Talk]
Expectations of Japan Domestic MAN Model and Its Design Method for Promoting Beyond 5G Research Takuji Tachibana (Univ. Fukui), Yusuke Hirota (NICT), Keijiro Suzuki (AIST), Takehiro Tsuritani (KDDI Research), Hiroshi Hasegawa (Nagoya Univ.) CS2023-51 |
[more] | CS2023-51 pp.126-130 |
| PN, NS, OCS (Joint) |
2023-06-08 14:40 |
Kagawa | (Kagawa, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Automating Optical Transport Network Configuration Error Diagnosis by Large Language Model Cen Wang, Daniel Elson, Yuta Wakayama, Noboru Yoshikane, Takehiro Tsuritani (KDDI) NS2023-25 OCS2023-11 PN2023-7 |
[more] | NS2023-25 OCS2023-11 PN2023-7 pp.30-34(NS), pp.11-15(OCS), pp.11-15(PN) |
| OFT | 2023-05-12 09:30 |
Iwate | Aiina(Iwate) (Iwate, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Increasing subsea cable capacity by using FIFO-less core-pumped multicore EDFA based on a side-polished fiber coupler Yuta Wakayama, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research) OFT2023-6 |
[more] | OFT2023-6 pp.24-28 |
| LOIS, ICM | 2023-01-20 09:30 |
Fukuoka | Kitakyushu International Conference Center (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Research and Development on Open Source Software (OSS) -based Control Platform Technology for Open Optical Networking Takehiro Tsuritani, Seiya Sumita, Noboru Yoshikane (KDDI Research) |
[more] | |
| OCS, CS (Joint) |
2023-01-12 14:25 |
Fukuoka | CANAL CITY HAKATA (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
Compression Algorithm for Metropolitan Area Network Model based on Regional Railways and Small-Sized Tokyo MAN Model Takuji Tachibana (Univ. Fukui), Yusuke Hirota (NICT), Keijiro Suzuki (AIST), Takehiro Tsuritani (KDDI Research), Hiroshi Hasegawa (Nagoya Univ.) CS2022-63 |
(Advance abstract in Japanese is available) [more] | CS2022-63 pp.1-6 |
| OCS, CS (Joint) |
2023-01-13 09:50 |
Fukuoka | CANAL CITY HAKATA (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
Bidirectional transoceanic-class transmission over step-index profile standard cladding 4-core fiber Daiki Soma, Shohei Beppu, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research, Inc.) OCS2022-64 |
Multi-core fibers (MCFs), a type of space-division multiplexing (SDM) technology, have been investigated to overcome the... [more] | OCS2022-64 pp.22-26 |
| OCS, CS (Joint) |
2023-01-13 10:15 |
Fukuoka | CANAL CITY HAKATA (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
Inter-core skew and mode-dependent loss degrade Q2 in long-haul coupled-core multicore fibre transmission Shohei Beppu, Daiki Soma, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research) OCS2022-65 |
To dramatically increase the transmission capacity of optical backbone network systems, space division multiplexing (SDM... [more] | OCS2022-65 pp.27-32 |
| RCS, NS (Joint) |
2022-12-15 14:35 |
Aichi | Nagoya Institute of Technology, and Online (Aichi, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Metropolitan Area Network Model Design Algorithm based on Regional Railways and Tokyo MAN model for Beyond 5G Research Takuji Tachibana (Univ. Fukui), Yusuke Hirota (NICT), Keijiro Suzuki (AIST), Takehiro Tsuritani (KDDI Research), Hiroshi Hasegawa (Nagoya Univ.) NS2022-136 RCS2022-193 |
[more] | NS2022-136 RCS2022-193 pp.41-46(NS), pp.44-49(RCS) |
| OPE, LQE, OCS | 2022-11-18 16:05 |
Online | Online (Online) | [Special Invited Talk]
Proposal and Demonstration of Free-Space Optical Communication Using Lens-Free Photonic-Crystal Surface-Emitting Laser Shota Ishimura (KDDI Research), Ryohei Morita, Takuya Inoue (Kyoto Univ.), Kosuke Nishimura, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research), Menaka De Zoysa, Kenji Ishizaki (Kyoto Univ.), Masatoshi Suzuki (KDDI Research), Susumu Noda (Kyoto Univ.) OCS2022-57 OPE2022-92 LQE2022-55 |
In this talk, we present the first demonstration of free-space optical (FSO) communication using a photonic-crystal surf... [more] | OCS2022-57 OPE2022-92 LQE2022-55 pp.25-29 |
| OFT | 2022-10-14 15:20 |
Kanagawa | Kanagawa-Kenmin Center (Kanagawa, Online) (Primary: On-site, Secondary: Online) |
Analog IFoF Mobile Fronthaul based on SDM/WDM/SCM Accommodating 576 channel (1.314 Tbit/s) Wireless Signals Shinji Nimura, Kazuki Tanaka, Shota Ishimura, Kosuke Nishimura, Ryo Inohara, Takehiro Tsuritani, Masatoshi Suzuki (KDDI Research) OFT2022-36 |
We have demonstrated an analog IFoF-based mobile fronthaul with SCM, WDM, and SDM for the realization of cell-free massi... [more] | OFT2022-36 pp.77-80 |
| OCS, OFT, LSJ (Joint) [detail] |
2022-08-25 13:05 |
Online | Online (Online) | Trans-Pacific class transmission over ultralow-loss 4-core fiber with standard cladding diameter Daiki Soma, Shohei Beppu, Hidenori Takahashi, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research) OCS2022-15 |
The total capacity of optical submarine cable systems as a global communication infrastructure must be continuously enla... [more] | OCS2022-15 pp.1-6 |
| ICM | 2022-07-07 15:40 |
Hokkaido | Tokachi Plaza (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Towards Large-scale Disaster-Resilient Network-Cloud Ecosystem Facilitated by Open Disaggregation and Cooperation Technologies Sugang Xu (NICT), Kiyo Ishii (AIST), Noboru Yoshikane (KDDI Research), Subhadeep Sahoo, Sifat Ferdousi (UC Davis), Masaki Shiraiwa, Yusuke Hirota (NICT), Takehiro Tsuritani (KDDI Research), Massimo Tornatore (UC Davis), Yoshinari Awaji (NICT), Shu Namiki (AIST), Biswanath Mukherjee (UC Davis) ICM2022-15 |
To accommodate the growing demand for cloud services, the underlying network infrastructures and datacenters (DCs) form ... [more] | ICM2022-15 pp.24-29 |
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