Keisuke Hirakawa

According to our database, Keisuke Hirakawa authored at least 4 papers between 2014 and 2017.

Collaborative distances:

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

2017

Thermally expanded core fiber with a 4-μm mode field diameter suitable for low-loss coupling with silicon photonic devices.

Takuya Oda, Keisuke Hirakawa, Kentaro Ichii, Satoshi Yamamoto, Kazuhiko Aikawa

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

Evaluation of Inter-Core Skew in an Uncoupled Multicore Fibre.

Yusuke Sasaki, Keisuke Hirakawa, Itaru Ishida, Shoichiro Matsuo, Kazuhiko Aikawa

Proceedings of the European Conference on Optical Communication, 2017

2014

Multicore-fiber cable with core density of 6 cores/mm².

Itaru Ishida, Yoshimichi Amma, Keisuke Hirakawa, Hitoshi Uemura, Yusuke Sasaki, Katsuhiro Takenaga, Naoto Itou, Ken Osato, Shoichiro Matsuo

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014

120.7-Tb/s (7 SDM/180 WDM/95.8 Gb/s) MCF-ROPA un epeatered transmission of PDM-32QAM channels over 204 km.

Hidehiko Takara, Takayuki Mizuno, H. Kawakami, Yutaka Miyamoto, Hiroji Masuda, K. Kitamura, Hirotaka Ono, S. Asakawa, Yoshimichi Amma, Keisuke Hirakawa, S. Matsuo, K. Tsujikawa, Makoto Yamada

Proceedings of the European Conference on Optical Communication, 2014