Search Results - "Matsubara, Eiichi"

Ultrabroadband coherent electric field from far infrared to 200 THz using air plasma induced by 10 fs pulses by Matsubara, Eiichi, Nagai, Masaya, Ashida, Masaaki

“…We generated an ultrabroadband infrared pulse ranging from far infrared to 200 THz through a plasma by focusing a hollow-fiber compressed intense 10-fs pulse…”
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Efficient carrier multiplication in CsPbI3 perovskite nanocrystals by de Weerd, Chris, Gomez, Leyre, Capretti, Antonio, Lebrun, Delphine M., Matsubara, Eiichi, Lin, Junhao, Ashida, Masaaki, Spoor, Frank C. M., Siebbeles, Laurens D. A., Houtepen, Arjan J., Suenaga, Kazutomo, Fujiwara, Yasufumi, Gregorkiewicz, Tom

“…The all-inorganic perovskite nanocrystals are currently in the research spotlight owing to their physical stability and superior optical properties—these…”
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High-efficiency terahertz pulse generation via optical rectification by suppressing stimulated Raman scattering process by Nagai, Masaya, Matsubara, Eiichi, Ashida, Masaaki

“…We experimentally demonstrate high-efficiency terahertz pulse generation via optical rectification in LiNbO3. The spectral broadening of an excitation pulse…”
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Direct Visualization and Determination of the Multiple Exciton Generation Rate by Timmerman, Dolf, Matsubara, Eiichi, Gomez, Leyre, Ashida, Masaaki, Gregorkiewicz, Tom, Fujiwara, Yasufumi

“…Multiple exciton generation (MEG) takes place in competition to other hot carrier cooling processes. While the determination of carrier cooling rates is well…”
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Generation of ultrashort optical pulses using multiple coherent anti-Stokes Raman scattering in a crystal at room temperature by Matsubara, Eiichi, Sekikawa, Taro, Yamashita, Mikio

“…We demonstrate Fourier synthesis of multiple coherent anti-Stokes Raman scattering signals in a Li Nb O 3 crystal at room temperature. The signals up to the…”
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Ultrafast near-infrared nonlinear absorption in a multiferroic single crystal of bismuth ferrite by Matsubara, Eiichi, Mochizuki, Takeshi, Nagai, Masaya, Ito, Toshimitsu, Ashida, Masaaki

“…We studied the ultrafast third-order optical nonlinearity in a single crystal of multiferroic bismuth ferrite (BiFeO3) in the near-infrared range of 0.5-1.0…”
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Coherent transitions between the shallow acceptor levels in germanium using intense THz pulses by Nagai, Masaya, Kamon, Yutaka, Minowa, Yosuke, Matsubara, Eiichi, Ashida, Masaaki

“…Nonlinear transmission spectroscopy was performed on a doped Ge:Ga semiconductor using intense THz pulses with different cycle numbers. When single-cycle…”
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Generation and detection of ultrabroadband infrared wave exceeding 200 THz by Matsubara, Eiichi, Nagai, Masaya, Ashida, Masaaki

“…By focusing a hollow-fiber compressed intense 10-fs pulse and its second harmonic in air, an ultrabroadband infrared pulse with a spectral range of 1-200 THz…”
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Dynamical symmetry breaking induced by ultrashort laser pulses in KTaO3 by MATSUBARA, Eiichi, INOUE, Kuon, HANAMURA, Eiichi

“…Raman selection rules were observed to be violated dynamically under resonant and coherent pumping of the Raman-active two-phonon mode in the cubic…”
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High-efficient THz electric pulse generation via optical rectification by suppressing stimulated Raman scattering by Nagai, M., Matsubara, E., Ashida, M.

“…We demonstrate high-efficient THz pulse generation with optical rectification in LiNbO 3 . Narrowed spectral bandwidth of subpicosecond optical excitation…”
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Luminescence due to peptide linkage observed in L-cysteine molecules irradiated by infrared laser light by Tsujibayashi, Toru, Matsubara, Eiichi, Ichimiya, Masayoshi, Ohno, Nobuhito

“…The sequence of amino acids in peptide chains consisting of proteins is the most fundamental information of living things. A direct and nondestructive method…”
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Sensitive monitoring of photocarrier densities in the active layer of a photovoltaic device with time-resolved terahertz reflection spectroscopy by Yamashita, Genki, Matsubara, Eiichi, Nagai, Masaya, Kim, Changsu, Akiyama, Hidefumi, Kanemitsu, Yoshihiko, Ashida, Masaaki

“…We demonstrate the sensitive measurement of photocarriers in an active layer of a GaAs-based photovoltaic device using time-resolved terahertz reflection…”
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Generation and Detection of THz Pulses With a Bandwidth Extending Beyond 4 THz Using a Subpicosecond Yb-Doped Fiber Laser System by Nagai, Masaya, Matsubara, Eiichi, Ashida, Masaaki, Takayanagi, Jun, Ohtake, Hideyuki

“…We experimentally demonstrate the generation and detection of broadband THz pulses with a bandwidth extending beyond 4 THz by using a 1.04- μm Yb-doped fiber…”
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High-efficiency terahertz pulse generation via optical rectification by suppressing stimulated Raman scattering process by Nagai, M., Matsubara, E., Ashida, M.

“…We demonstrate high-efficiency terahertz pulse generation via optical rectification in LiNbO 3 . We avoid the spectral broadening of an excitation pulse via…”
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Ultrabroadband Infrared Coherent Spectroscopy Using Solids as Nonlinear Media by Matsubara, Eiichi, Ashida, Masaaki

“…The use of multiple thin fused-silica plates for pulse compression and that of a single crystal of diamond for detection have been found to contribute to the…”
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Ultrabroadband coherent infrared spectroscopy using air-plasma based generation and detection by Matsubara, Eiichi, Nagai, Masaya, Ashida, Masaaki

“…We generated ultrabroadband coherent infrared pulses by focusing hollow-fiber compressed intense 10-fs pulses in air. We also coherently detected the…”
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Extended-drude response of photocarriers in InSb revealed with ultrabroadband infrared time-domain spectroscopy by Matsubara, Eiichi, Morimoto, Tomohide, Nagai, Masaya, Ashida, Masaaki

“…We visualized the extension of Drude response of photoexcited carriers by energy-dependent scattering time and effective mass of electrons in InSb, making full…”
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Generation of Ultrabroadband Coherent Infrared Pulses of the Frequency Range of 1-200 THz Using Multiplate-Compressed Driving Pulses by Matsubara, Eiichi, Ashida, Masaaki

“…Using intense ultrashort pulses produced with multiplate compression as light source for exciting air plasma, we generated ultrabroadband coherent infrared…”
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Dynamical Symmetry Breaking Induced by Ultrashort Laser Pulses in KTaO 3 by Matsubara, Eiichi, Inoue, Kuon, Hanamura, Eiichi

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Magnetic-field induced broadband THz absorption change in a multiferroic hexaferrite at room temperature by Matsubara, E., Onishi, Y., Ishikura, T., Kimura, T., Ashida, M.

“…In the present study, the magnetic field dependence of the THz optical absorption spectra of a powdered polycrystal of Sr 3 CO 2 Fe 24 O 41 at room temperature…”
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