Ryohei Otowa

According to our database, Ryohei Otowa authored at least 7 papers between 2022 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

Spatial channel network (SCN): implementation and feasibility demonstrations of modular spatial cross-connects using three types of packaged 19-core-fiber-based optical switches.

Masahiko Jinno, Ryohei Otowa, Yusuke Matsuno, Daiki Soma, Ryunosuke Sasaki, Yuji Hotta, Tsubasa Sasaki, Kosuke Komatsu, Takuma Izumi, Koichi Maeda, Shohei Beppu, Kyosuke Nakada, Shigehiro Takasaka, Yuta Wakayama, Rika Tahara, Noboru Yoshikane, Takumi Tani, Yasuki Sakurai, Ryuichi Sugizaki, Takehiro Tsuritani

J. Opt. Commun. Netw., 2026

2025

Demonstration of 4-Core/16-Core Fiber Heterogeneous Spatial Channel Network Comprising 19-Core Fiber Core Selective Switch-Based Spatial Gateway, 4-Core EDFAs, and 19-Core EDFAs.

Takumi Tani, Daiki Soma, Ryohei Otowa, Yusuke Matsuno, Kyosuke Nakada, Kosuke Komatsu, Yuji Hotta, Tsubasa Sasaki, Rika Tahara, Shohei Beppu, Koichi Maeda, Takuma Izumi, Yuta Wakayama, Noboru Yoshikane, Takehiro Tsuritani, Yasuki Sakurai, Ryuichi Sugizaki, Masahiko Jinno

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2025

Implementation and Demonstration of Contention-Less 19-Core Fiber-Based Spatial Cross-Connect Using Packaged Core Selective Switches and Core-Port Selectors.

Ryunosuke Sasaki, Ryohei Otowa, Yusuke Matsuno, Rika Tahara, Tsubasa Sasaki, Kyosuke Nakada, Masanori Takahashi, Yasuki Sakurai, Ryuichi Sugizaki, Masahiko Jinno

Proceedings of the European Conference on Optical Communications, 2025

2023

Bidirectional single-multicore-fiber spatial channel network based on a spatial cross-connect and multicore EDFA that efficiently accommodates asymmetric data traffic.

Kyosuke Nakada, Hitoshi Takeshita, Yuki Kuno, Yusuke Matsuno, Itsuki Urashima, Yusuke Shimomura, Yuji Hotta, Tsubasa Sasaki, Yudai Uchida, Kohei Hosokawa, Ryohei Otowa, Rika Tahara, Emmanuel Le Taillandier de Gabory, Yasuki Sakurai, Ryuichi Sugizaki, Masahiko Jinno

JOCN, 2023

Single Multicore-Fiber Bidirectional Spatial Channel Network Based on Spatial Cross-Connect and Multicore EDFA Efficiently Accommodating Asymmetric Traffic.

Kyosuke Nakada, Hitoshi Takeshita, Yuki Kuno, Yusuke Matsuno, Itsuki Urashima, Yusuke Shimomura, Yuji Hotta, Tsubasa Sasaki, Yudai Uchida, Kohei Hosokawa, Ryohei Otowa, Rika Tahara, Emmanuel Le Taillandier de Gabory, Yasuki Sakurai, Ryuichi Sugizaki, Masahiko Jinno

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

Core-Selective Switch for SDM Network based on LCPG and MEMS technology.

Yuki Kuno, Masahiro Kawasugi, Yuji Hotta, Ryohei Otowa, Makoto Mizoguchi, Yasuki Sakurai

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

2022

19-core 1×8 Core Selective Switch for Spatial Cross-Connect.

Yuki Kuno, Masahiro Kawasugi, Yuji Hotta, Ryohei Otowa, Makoto Mizoguchi, Fumihiro Takahashi, Yasuki Sakurai, Masahiko Jinno

Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022