Ryusuke Matsunaga
Ryusuke Matsunaga
Associate Professor, The Institute for Solid State Physics, The University of Tokyo
Verified email at issp.u-tokyo.ac.jp - Homepage
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Light-induced collective pseudospin precession resonating with Higgs mode in a superconductor
R Matsunaga, N Tsuji, H Fujita, A Sugioka, K Makise, Y Uzawa, H Terai, ...
Science 345 (6201), 1145-1149, 2014
Higgs amplitude mode in the BCS superconductors Nb 1− x Ti x N induced by terahertz pulse excitation
R Matsunaga, YI Hamada, K Makise, Y Uzawa, H Terai, Z Wang, ...
Physical review letters 111 (5), 057002, 2013
Observation of charged excitons in hole-doped carbon nanotubes using photoluminescence and absorption spectroscopy
R Matsunaga, K Matsuda, Y Kanemitsu
Physical review letters 106 (3), 037404, 2011
Quantum Faraday and Kerr rotations in graphene
R Shimano, G Yumoto, JY Yoo, R Matsunaga, S Tanabe, H Hibino, ...
Nature communications 4 (1), 1-6, 2013
Nonequilibrium BCS State Dynamics Induced by Intense Terahertz Pulses in a Superconducting NbN Film
R Matsunaga, R Shimano
Physical Review Letters 109 (18), 187002, 2012
Evidence for dark excitons in a single carbon nanotube due to the Aharonov-Bohm effect
R Matsunaga, K Matsuda, Y Kanemitsu
Physical review letters 101 (14), 147404, 2008
Origin of low-energy photoluminescence peaks in single carbon nanotubes: K-momentum dark excitons and triplet dark excitons
R Matsunaga, K Matsuda, Y Kanemitsu
Physical Review B 81 (3), 033401, 2010
Higgs Mode in the -Wave Superconductor Driven by an Intense Terahertz Pulse
K Katsumi, N Tsuji, YI Hamada, R Matsunaga, J Schneeloch, RD Zhong, ...
Physical review letters 120 (11), 117001, 2018
Mechanism of exciton dephasing in a single carbon nanotube studied by photoluminescence spectroscopy
K Yoshikawa, R Matsunaga, K Matsuda, Y Kanemitsu
Applied Physics Letters 94 (9), 093109, 2009
Polarization-resolved terahertz third-harmonic generation in a single-crystal superconductor NbN: Dominance of the Higgs mode beyond the BCS approximation
R Matsunaga, N Tsuji, K Makise, H Terai, H Aoki, R Shimano
Physical Review B 96 (2), 020505, 2017
Symmetry-induced nonequilibrium distributions of bright and dark exciton states in single carbon nanotubes
R Matsunaga, Y Miyauchi, K Matsuda, Y Kanemitsu
Physical Review B 80 (11), 115436, 2009
Infrared activation of the Higgs mode by supercurrent injection in superconducting NbN
S Nakamura, Y Iida, Y Murotani, R Matsunaga, H Terai, R Shimano
Physical review letters 122 (25), 257001, 2019
Intense terahertz pulse-induced nonlinear responses in carbon nanotubes
R Shimano, S Watanabe, R Matsunaga
Journal of Infrared, Millimeter, and Terahertz Waves 33 (8), 861-869, 2012
Efficient Terahertz Harmonic Generation with Coherent Acceleration of Electrons in the Dirac Semimetal
B Cheng, N Kanda, TN Ikeda, T Matsuda, P Xia, T Schumann, S Stemmer, ...
Physical Review Letters 124 (11), 117402, 2020
Raman study on the interlayer interactions and the band structure of bilayer graphene synthesized by alcohol chemical vapor deposition
M Okano, R Matsunaga, K Matsuda, S Masubuchi, T Machida, ...
Applied Physics Letters 99 (15), 151916, 2011
Room-temperature terahertz anomalous Hall effect in Weyl antiferromagnet Mn 3 Sn thin films
T Matsuda, N Kanda, T Higo, NP Armitage, S Nakatsuji, R Matsunaga
Nature communications 11 (1), 1-8, 2020
Nonlinear terahertz spectroscopy of Higgs mode in s-wave superconductors
R Matsunaga, R Shimano
Physica Scripta 92 (2), 024003, 2017
Direct observation of dark exciton states in single carbon nanotubes
R Matsunaga, K Matsuda, Y Kanemitsu
Journal of Luminescence 129 (12), 1702-1705, 2009
Ultrafast Terahertz nonlinear optics of landau level transitions in a monolayer graphene
G Yumoto, R Matsunaga, H Hibino, R Shimano
Physical review letters 120 (10), 107401, 2018
Higgs amplitude mode in s-wave superconductors revealed by terahertz pump-terahertz probe spectroscopy
R Matsunaga, R Shimano
Ultrafast Phenomena and Nanophotonics XIX 9361, 93611C, 2015
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