Koudai Harako

According to our database, Koudai Harako authored at least 6 papers between 2013 and 2017.

Collaborative distances:

• Dijkstra number of six.
• Erdős number of four.

2017

A 40 GHz, 770 fs regeneratively mode-locked erbium fiber laser operating at 1.6 µm.

Koudai Harako, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa

IEICE Electron. Express, 2017

2015

Single-channel 1.92 Tbit/s, 64 QAM coherent orthogonal TDM transmission of 160 Gbaud optical Nyquist pulses with 10.6 bit/s/Hz spectral efficiency.

David Odeke Otuya, Koudai Harako, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

2014

All-optical high-performance demultiplexing using optical Nyquist pulse sampling.

Daiki Seya, Koudai Harako, Toshihiko Hirooka, Masataka Nakazawa

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014

A single-channel 960 Gbit/s 64 QAM orthogonal TDM transmission with a spectral efficiency of 10.0 bit/s/Hz using coherent Nyquist pulses.

David Odeke Otuya, Koudai Harako, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa

Proceedings of the European Conference on Optical Communication, 2014

Novel ultrafast TDM demultiplexing scheme using orthogonality in coherent Nyquist pulses.

Koudai Harako, David Odeke Otuya, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa

Proceedings of the European Conference on Optical Communication, 2014

2013

Large PMD tolerant 1.28 Tbit/s/ch transmission over 525 km with 640 Gbaud optical Nyquist pulses.

Koudai Harako, Peng Ruan, Toshihiko Hirooka, Masataka Nakazawa

Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013