Toshihiko Hirooka

Ultrahigh-speed “orthogonal” TDM transmission with an optical Nyquist pulse train

Masataka Nakazawa, Toshihiko Hirooka, Peng Ruan et al. · Optics Express · 2012 · 261 citations · Full text

Engineering, Communication, Electrical Engineering +17

Parabolic pulse generation by use of a dispersion-decreasing fiber with normal group-velocity dispersion

Toshihiko Hirooka, Masataka Nakazawa · Optics Letters · 2004 · 220 citations

Engineering, Electrical Engineering, Physics +17

Ideal Distortion-Free Transmission Using Optical Fourier Transformation and Fourier Transform-Limited Optical Pulses

Masataka Nakazawa, Toshihiko Hirooka, Fumio Futami et al. · IEEE Photonics Technology Letters · 2004 · 97 citations · Full text

Engineering, Electrical Engineering, Optics +10

QAM quantum stream cipher using digital coherent optical transmission

Masataka Nakazawa, Masato Yoshida, Toshihiko Hirooka et al. · Optics Express · 2014 · 87 citations · Full text

Engineering, Electrical Engineering, Physics +17

Polymer saturable absorber materials in the 15 μm band using poly-methyl-methacrylate and polystyrene with single-wall carbon nanotubes and their application to a femtosecond laser

Masataka Nakazawa, Seiji Nakahara, Toshihiko Hirooka et al. · Optics Letters · 2006 · 86 citations

Natural Sciences, Materials Engineering, Materials Science +17