Dr. Keisuke Kasai Profile

Dr. Keisuke Kasai

at Tohoku Univ.

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Publications (2)

Proceedings Article | 12 February 2016 Paper

Optical and wireless-integrated next-generation access network based on coherent technologies

Toshihiko Hirooka, Masato Yoshida, Keisuke Kasai, Masataka Nakazawa

Proceedings Volume 9772, 977203 (2016) https://doi.org/10.1117/12.2211860

KEYWORDS: Radio optics, Optical networks, Broadband telecommunications, Interfaces, Transmittance, Network architectures, Head, Antennas, Optical components, Quadrature amplitude modulation, Digital signal processing, Receivers, Homodyne detection, Signal processing

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Proceedings Article | 15 February 2007 Paper

A C2H2 frequency-stabilized erbium-doped fiber laser and its application to coherent communication

Masato Yoshida, Keisuke Kasai, Jumpei Hongo, Masataka Nakazawa

Proceedings Volume 6453, 645311 (2007) https://doi.org/10.1117/12.714489

KEYWORDS: Fiber lasers, Quadrature amplitude modulation, Laser stabilization, Ions, Digital signal processing, Phase shift keying, Ferroelectric materials, Modulators, Eye, Absorption

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