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Ogasawara Takeshi
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Year
The anomalous Hall effect and magnetic monopoles in momentum space
Z Fang, N Nagaosa, KS Takahashi, A Asamitsu, R Mathieu, T Ogasawara, ...
Science 302 (5642), 92-95, 2003
10822003
General features of photoinduced spin dynamics in ferromagnetic and ferrimagnetic compounds
T Ogasawara, K Ohgushi, Y Tomioka, KS Takahashi, H Okamoto, ...
Physical review letters 94 (8), 087202, 2005
1932005
Ultrafast Optical Nonlinearity in the Quasi-One-Dimensional Mott Insulator
T Ogasawara, M Ashida, N Motoyama, H Eisaki, S Uchida, Y Tokura, ...
Physical review letters 85 (10), 2204, 2000
1662000
Ultrafast Spin Dynamics and Critical Behavior in Half-Metallic Ferromagnet:
T Kise, T Ogasawara, M Ashida, Y Tomioka, Y Tokura, ...
Physical Review Letters 85 (9), 1986, 2000
1462000
Ultrafast photoinduced insulator-ferromagnet transition in the perovskite manganite Gd 0.55 Sr 0.45 MnO 3
M Matsubara, Y Okimoto, T Ogasawara, Y Tomioka, H Okamoto, Y Tokura
Physical review letters 99 (20), 207401, 2007
1412007
Magnetic, Optical, and Magnetooptical Properties of Spinel-Type ACr2X4 (A=Mn, Fe, Co, Cu, Zn, Cd; X=O, S, Se)
K Ohgushi, Y Okimoto, T Ogasawara, S Miyasaka, Y Tokura
Journal of the Physical Society of Japan 77 (3), 034713, 2008
1292008
Ultrafast nonlinear effects in hydrogenated amorphous silicon wire waveguide
Y Shoji, T Ogasawara, T Kamei, Y Sakakibara, S Suda, K Kintaka, ...
Optics express 18 (6), 5668-5673, 2010
1272010
Dynamics of photoinduced melting of charge/orbital order in a layered manganite La 0.5 Sr 1.5 MnO 4
T Ogasawara, T Kimura, T Ishikawa, M Kuwata-Gonokami, Y Tokura
Physical Review B 63 (11), 113105, 2001
1172001
Submicron-scale spatial feature of ultrafast photoinduced magnetization reversal in TbFeCo thin film
T Ogasawara, N Iwata, Y Murakami, H Okamoto, Y Tokura
Applied Physics Letters 94 (16), 2009
852009
Photoinduced spin dynamics in La 0.6 Sr 0.4 MnO 3 observed by time-resolved magneto-optical Kerr spectroscopy
T Ogasawara, M Matsubara, Y Tomioka, M Kuwata-Gonokami, ...
Physical Review B 68 (18), 180407, 2003
742003
Nonlinear magneto-optical Kerr rotation of an oxide superlattice with artificially broken symmetry
Y Ogawa, H Yamada, T Ogasawara, T Arima, H Okamoto, M Kawasaki, ...
Physical review letters 90 (21), 217403, 2003
702003
Ultrafast photoinduced melting of orbital order in LaVO 3
S Tomimoto, S Miyasaka, T Ogasawara, H Okamoto, Y Tokura
Physical review B 68 (3), 035106, 2003
572003
Pattern-effect-free all-optical wavelength conversion using a hydrogenated amorphous silicon waveguide with ultra-fast carrier decay
S Suda, K Tanizawa, Y Sakakibara, T Kamei, K Nakanishi, E Itoga, ...
Optics letters 37 (8), 1382-1384, 2012
522012
Ultrafast photoinduced formation of metallic state in a perovskite-type manganite with short range charge and orbital order
Y Okimoto, H Matsuzaki, Y Tomioka, I Kezsmarki, T Ogasawara, ...
Journal of the Physical Society of Japan 76 (4), 043702, 2007
522007
One-dimensional cuprate as a nonlinear optical material for ultrafast all-optical switching
M Ashida, T Ogasawara, Y Tokura, S Uchida, S Mazumdar, ...
Applied Physics Letters 78 (19), 2831-2833, 2001
472001
Photoinduced switching between charge and orbital ordered insulator and ferromagnetic metal in perovskite manganites
M Matsubara, Y Okimoto, T Ogasawara, S Iwai, Y Tomioka, H Okamoto, ...
Physical Review B 77 (9), 094410, 2008
422008
Gigantic Kerr rotation induced by a d− d transition resonance in M Cr 2 S 4 (M= Mn, Fe)
K Ohgushi, T Ogasawara, Y Okimoto, S Miyasaka, Y Tokura
Physical Review B 72 (15), 155114, 2005
402005
Photo-Induced Dynamics of Charge/Orbital Order in Perovskite Manganite Nd0.5Ca0.5MnO3
T Ogasawara, K Tobe, T Kimura, H Okamoto, Y Tokura
Journal of the Physical Society of Japan 71 (10), 2380-2383, 2002
352002
Image transmission with a pair of graded-index optical fibers and a BaTiO3 phase-conjugate mirror
T Ogasawara, M Ohno, K Karaki, K Nishizawa, A Akiba
JOSA B 13 (10), 2193-2197, 1996
201996
Optical control of the magnetic anisotropy of ferromagnetic bilayered manganites
S Tomimoto, M Matsubara, T Ogasawara, H Okamoto, T Kimura, Y Tokura
Physical review letters 98 (1), 017402, 2007
192007
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