Predictability of stratospheric sudden warming: A case study for 1998/99 winterMUKOUGAWA, Hitoshi; HIROOKA, Toshihiko.Monthly weather review. 2004, Vol 132, Num 7, pp 1764-1776, issn 0027-0644, 13 p.Article

Dynamical quantifications of ozone minihole formation in both hemispheresIWAO, Koki; HIROOKA, Toshihiko.Journal of geophysical research. 2006, Vol 111, Num D2, issn 0148-0227, D02104.1-D02104.15Article

Optical adaptive equalization of high-speed signals using time-domain optical fourier transformation : Optical Signal ProcessingHIROOKA, Toshihiko; NAKAZAWA, Masataka.Journal of lightwave technology. 2006, Vol 24, Num 7, pp 2530-2540, issn 0733-8724, 11 p.Article

Distortion-free optical transmission using time-domain optical Fourier transformation and transform-limited optical pulsesNAKAZAWA, Masataka; HIROOKA, Toshihiko.Journal of the Optical Society of America. B, Optical physics (Print). 2005, Vol 22, Num 9, pp 1842-1855, issn 0740-3224, 14 p.Article

Second-Order PMD-Induced Crosstalk Between Polarization-Multiplexed Signals and Its Impact on Ultrashort Optical Pulse TransmissionHIROOKA, Toshihiko; HARAKO, Koudai; PENGYU GUAN et al.Journal of lightwave technology. 2013, Vol 31, Num 5-8, pp 809-814, issn 0733-8724, 6 p.Article

Bright and dark 40 GHz parabolic pulse generation using a picosecond optical pulse train and an arrayed waveguide gratingHIROOKA, Toshihiko; NAKAZAWA, Masataka; OKAMOTO, Katsunari et al.Optics letters. 2008, Vol 33, Num 10, pp 1102-1104, issn 0146-9592, 3 p.Article

Characteristics of atmospheric gravity wave activity in the polar regions revealed by GPS radio occultation data with CHAMPHEI, Hayato; TSUDA, Toshitaka; HIROOKA, Toshihiko et al.Journal of geophysical research. 2008, Vol 113, Num D4, issn 0148-0227, D04107.1-D04107.15Article

Predictability of stratospheric sudden warming: A case study for 1998/99 winterMUKOUGAWA, Hitoshi; SAKAI, Hirokazu; HIROOKA, Toshihiko et al.Kyoto Daigaku Bōsai Kenkyūjo nenpō. 2003, Vol 46, pp 383-396, issn 0386-412X, 14 p., BArticle

Influence of stratospheric circulation on the predictability of the tropospheric Northern Annular ModeMUKOUGAWA, Hitoshi; HIROOKA, Toshihiko; KURODA, Yuhji et al.Geophysical research letters. 2009, Vol 36, Num 8, issn 0094-8276, L08814.1-L08814.5Article

Ultra-stable regeneratively mode-locked laser as an opto-electronic microwave oscillator and its application to optical metrologyNAKAZAWA, Masataka; YOSHIDA, Masato; HIROOKA, Toshihiko et al.IEICE transactions on electronics. 2007, Vol 90, Num 2, pp 443-449, issn 0916-8524, 7 p.Conference Paper

High sensitivity to the initial condition for the prediction of stratospheric sudden warmingMUKOUGAWA, Hitoshi; SAKAI, Hirokazu; HIROOKA, Toshihiko et al.Geophysical research letters. 2005, Vol 32, Num 17, pp L17806.1-L17806.4, issn 0094-8276Article

PMD-Induced Crosstalk in Ultrahigh-Speed Polarization-Multiplexed Optical Transmission in the Presence of PDLHIROOKA, Toshihiko; HIRANO, Toshiyuki; TOMIYAMA, Yutaro et al.Journal of lightwave technology. 2011, Vol 29, Num 17-20, pp 2963-2970, issn 0733-8724, 8 p.Article

40-GHz, 100-fs stimulated-Brillouin-scattering-free pulse generation by combining a mode-locked laser diode and a dispersion-decreasing fiberHAGIUDA, Ken-Ichi; HIROOKA, Toshihiko; NAKAZAWA, Masataka et al.Optics letters. 2005, Vol 30, Num 6, pp 670-672, issn 0146-9592, 3 p.Article

A Major Stratospheric Sudden Warming Event in January 2009HARADA, Yayoi; GOTO, Atsushi; HASEGAWA, Hiroshi et al.Journal of the atmospheric sciences. 2010, Vol 67, Num 6, pp 2052-2069, issn 0022-4928, 18 p.Article

Polymer saturable absorber materials in the 1.5 μm band using poly-methyl-methacrylate and polystyrene with single-wall carbon nanotubes and their application to a femtosecond laserNAKAZAWA, Masataka; NAKAHARA, Seiii; HIROOKA, Toshihiko et al.Optics letters. 2006, Vol 31, Num 7, pp 915-917, issn 0146-9592, 3 p.Article

Single-Channel 1.28 Tbit/s-525 km DQPSK Transmission Using Ultrafast Time-Domain Optical Fourier Transformation and Nonlinear Optical Loop Mirror : Extremely Advanced Optical Transmission Technologies and Transmission Optical Fiber Technologies towards Exabit EraGUAN, Pengyu; HANSEN MULVAD, Hans Christian; TOMIYAMA, Yutaro et al.IEICE transactions on communications. 2011, Vol 94, Num 2, pp 430-436, issn 0916-8516, 7 p.Article

Interannual variations of the general circulation and polar stratospheric ozone losses in a general circulation modelWATANABE, Shingo; HIROOKA, Toshihiko; MIYAHARA, Saburo et al.Journal of the Meteorological Society of Japan. 2002, Vol 80, Num 4B, pp 877-895, issn 0026-1165, 19 p.Conference Paper