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2026
- Pham Tien Dat, Yuki Yoshida, Keizo Inagaki, Toshimasa Umezawa, Naokatsu Yamamoto, Atsushi Kanno, Tetsuya Kawanishi, Kouichi Akahane, Takeshi Takagi, Kazunori Mukasa, Satoru Okamoto, Hiroyuki Tsuda, and Naoaki Yamanaka, “Ultralow-Nonlinearity THz Signal Transmission over PBG HCF for Low-Latency, High-Power Fiber–Wireless Links”, The 2026 Optical Fiber Communications Conference and Exhibition (OFC2026), M4H. 2, Mar. 2026.
- Ryunosuke Sasaki, Takuma Izumi, Takashi Miyamura, Satoru Okamoto, Naoaki Yamanaka, and Masahiko Jinno, “Minimal-Hardware Single-WSS ROADM Enabling Contention-Less Optical 1+1 Protection with a Multi-Input-Port N×N WSS Employing Joint Switching”, The 2026 Optical Fiber Communications Conference and Exhibition (OFC2026), W4A.6.
- Takashi Miyamura, Satoru Okamoto, Masahiko Jinno, and Naoaki Yamanaka, “Energy-Efficient Multiband Metro Network Emulator with Physical-Layer-Impairment-Aware Digital Twin”, The 2026 Optical Fiber Communications Conference and Exhibition (OFC2026), M3Z.11, Mar. 2026.
- Naoaki Yamanaka, “Keio university future photonic network open research center having very low delay hollow core fiber field and its application research”, Invited forum#1-4: Advanced Optical Network Research in Japan, ICNC 2026, Feb. 16-19, 2026.
2025
- Ryotaka Miyamoto, Shinya Nakamura, Yusuke Hirota, Kenichi Baba, Hirofumi Yamaji, Satoshi Yamanoi, Sota Yoshida, Yoshihiro Nakahira, Satoru Okamoto, Shinichi Akahane, Kenichi Goto, and Tomoaki Terasaki, “Demonstration of End-to-End Automation and Heterogeneous All-Photonics Network Integration”, The 47th PhotonIcs and Electromagnetics Research Symposium (Autumn PIERS 2025), November 2025.
- M. Miyasugi, S. Kimura, Y. Seki, Y. Maetani, S. Okamoto, N. Yamanaka, M. Matsuura, T. Takagi, K. Mukasa, Z. Liu, and H. Tsuda, “Ultra-High Splitting Ratio Access Network With Optically Powered Amplifier Using a Hollow Core Fiber”, IEEE Photonics Conference, MD4.3, Singapore, Nov. 9-13, 2025.
- Satsuki Jimura, Takashi Miyamura, Satoru Okamoto, and Naoaki Yamanaka, “A Low-Power Consumption Metro Optical Network using Two-Node Cooperative Node Architecture”, The 6th IEICE-CS International Conference on Emerging Technologies for Communications (ICETC2025), O3-01, Nov. 2025.
- Naoaki Yamanaka, “Low-delay and high-lineavty application in the campus network testbed using hollow-core faiber”, ECOC2025, WS-01#6(invited talk), Sep. 27, 2025.
- Takashi Miyamura, Satoru Okamoto, Masahiko Jinno, and Naoaki Yamanaka, “M3 Wavenet: Multiband Massive Wavelength-Multiplexing Metro Networks Enabling User Direct Wavelength Connection”, The 34th International Conference on Computer Communications and Networks (ICCCN 2025), Mo-S6-4, Aug. 2025.
- Kojiro Nishimura, Yoshihiko Uematsu, Satoru Okamoto, and Naoaki Yamanaka, “Analog-RoF mobile fronthaul networking testbed in Keio future photonic network open lab”, iPOP2025, T-2-3, July 17-18, 2025, Japan.
- Naoaki Yamanaka, Satoru Okamoto, Hiroyuki Tsuda, Motoharu Matsuura and Kazinori Mukasa, “Power over fiber using Hollow-core fiber and its application on IoT-ONU”, ICTON 2025, July 6-10, 2025, DOI: 10.1109/ICTON67126.2025.11125140
- Takashi Miyamura, Jun-iChi Kani, Shin Kaneko, Hideki Maeda, Satoru Okamoto, and Naoaki Yamanaka, “Resource Efficiency of Multiband Massive Wavelength-Multiplexing Metro Networks with Remotely Located Transceivers”, OECC/PSC2025 WF2-5.
- Satoru Okamoto, Naoaki Yamanaka, Hiroyuki Tsuda, Motoharu Matsuura, Takeshi Takagi, and Kazunori Mukasa, “Feasibility Evaluation of Hollow-Core Photonic Bandgap Fiber Cables Deployed under Campus using Private 5G ober PON Applications”, OECC/PSC2025 MG2-4.
- Kojiro Nishimura, Yoshihiko Uematsu, Satoru Okamoto, and Naoaki Yamanaka, “Demonstration of Analog Radio-over-Fiber based Joint-Transmission Budgets Extension using Field-installed Hollow-Core Fiber Links”, OECC/PSC2025 PDP-A-1. ポストデッドラインペーパーアワード.
- H. Yamaji, N. Yamada, T. Takagi, K. Mukasa S. Okamoto, H. Tsuda, N. Yamanaka, M. Matsuura, “Demonstration of high-power PON for higher split ratio and optical powering using a hollow-core fiber”, 50th Optical Fiber Communication Conference and Exposition (OFC 2025), M4I.4, March 2025.
- Takahiro Ishiyama, Takashi Kurimoto, SatoruOkamoto, Naoaki Yamanaka, “Trial of the External Electric Power Supply-Less IoTv System Using Hollow Core Fiber”, International Conference on Computing, Networking and Communications, (ICNC 2025), No. OGN-4, pp. 844-848.
- Naoaki Yamanaka, Satoru Okamoto, Hiroyuki Tsuda, Takashi Miyamura,Motoharu Matsuura, Kazunori Mukasa, “Very-low-delay massive wavelength division multiplexed optical network using Newly structured hollow-core fiber and its application”, International Conference on Computing, Networking and Communications, (ICNC 2025), No. Invited Talks-4.3, pp. 583-587.
2024
- Takashi Miyamura, Hiroyuki Tsuda and Naoaki Yamanaka, “Massive wavelength division network for ultra-low latency service using
Hollow core fiber”(Abstract, Certificate), Optics & Photonics, October 2024. - Naoaki Yamanaka, “Beyond 5G, Ultra-reliable and Low Latency Communication (URLLC)”(Invited Talk)(Abstract, Certificate), 3rd International Conference and Expo on Lasers, Optics & Photonics, October 2024.
- Ryuta Murakami, Kojiro Nishimura, Satoru Okamoto, Yoshihiko Uematsu, Takashi Kurimoto, Naoaki Yamanaka, “First Demonstration of Switched RoF Concept Using MEMS Optical Switch a nd High-linearity Installed Hollow Core Fiber Cables”, 50th European Conference and Exhibition on Optical Communication (ECOC 2024), No. W2A.140, September 2024(Preview).
- Satoru Okamoto, “Networking Experiments in the Keio Future Photonic Network Open Laboratory with Field-installed Hollow-Core Optical Fiber Cables”, The 33rd International Conference on Computer Communication and Networks (ICCCN 2024), No. 14-2, pp. 1-9, July 2024.
- Naoaki Yamanaka, Takahiro Ishiyama, Satoru Okamoto, Hiroyuki Tsuda, Kazunori Mukasa, “Disaggregated Computing Access Network using Newly Structured Hollow-Core fiber for AIoT Platform”, 2024 IEEE Annual Congress on Artificial Intelligence of Things (AIoT), No. AIoT-5-1, pp. 105-109, July 2024.
- Naoaki Yamanaka, Satoru Okamoto, Hiroyuki Tsuda, Motoharu Matsuura, Kazunori Musaka, “Newly structured Hollow-Core Fiber and its open innovation field for Power over fiber, Radio over fiber and ultra-low latency application (Invited talk)”, ICTON2024, July 2024.
- Takahiro Ishiyama, Takashi Kurimoto, Satoru Okamoto, Naoaki Yamanaka, “Location free ONU system by optical power supply over Hollow Core Fiber”, 20th International Conference on IP/IoT & Processing+Optical Networks (iPOP 2024), No. T1-1, June 2024.
- Ryuta Murakami, Kojiro Nishimura, Satoru Okamoto, Takashi Kurimoto, Yoshihiko Uematsu, Naoaki Yamanaka, “Switched RoF: Toward Personalized Cell Mobile Front Haul Using Optical Switch”, 20th International Conference on IP/IoT & Processing+Optical Networks (iPOP 2024), No. T2-1, June 2024.
- Kojiro Nishimura, Ryuta Murakami, Yoshihiko Uematsu, Satoru Okamoto, Naoaki Yamanaka, “1st demonstration of the multi-spot RoF concept using Wi-Fi AP as an em ulated base-station”, 20th International Conference on IP/IoT & Processing+Optical Networks (iPOP 2024), No. T2-2, June 2024.
- Naoaki Yamanaka, “Keynote Speech: Beyond 5G Access Network Technology, Using Power and Radioon New Structure Hollow CoreFibers (Pof&RoF)”, IEEE/OES China Ocean Acoustics Conference2024, May 2024.
- Naoaki Yamanaka, “Invited Talk Title: Time-space synchronized digital twin application for URLLC using newly structured Hollow-Core Fiber and its open innovation field”, International Conference on Computing, Networking and Communications 2024, February 2024.
2023
- Naoaki Yamanaka, “Time-space synchronized digital twin for B5G managed network (Invited talk)”, International Conference on Computing, Networking and Communications (ICNC 2023), February 20, 2023.
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