プロシーディング


2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004


2017年度


  • Masaaki Ashida, Yosuke Minowa, Mitsutaka Kumakura, Yuta Takahashi, Fusakazu Matsushima, and Yoshiki Moriwaki,

    Fabrication of Superconducting Micro Particles by Laser Ablation in Superfluid Helium,
    CLEO2017,(2017.5).
    DOI:10.1364/CLEO_SI.2017.STh1J.4


2016年度


  • E. Matsubara, M. Nagai, M. Ashida,
    Extension Of The High Frequency Limit Of Time Domain Spectroscopy Up To 200 THz Using Two-color Pumped Air Plasma,
    IRMMW-THz.2016,(2016.9).


  • R. Mendis, M. Nagai, Y. Wang, N. Karl, D. Mittleman,
    THz Artificial Dielectric Lens,
    DOI: 10.1038/step23023.

     
  • G. Yamashita, E. Matsubara, M. Nagai, C. Kim, H. Akiyama, Y. Kanemitsu, M. Ashida,
    Quantitative Evaluation Of Photocarriers In Semiconductor P-i-n Structures With Time-resolved Terahertz Reflection Spectroscopy,
    IRMMW-THz.2016,(2016.9).


     
  • M. Nagai, S. Aono, M. Ashida, K. Kawase, A. Irizawa, G. Isoyama,
    Anomalous Luminescence Of ZnO Nanoparticles Irradiated By The Nonresonant Intense THz Pulses,
    IRMMW-THz.2016,(2016.9)
    .


  • T. Morimoto, G. Yamashita, M. Nagai, M. Ashida,
    A Smart Method For Magneto-optical Spectroscopy With A Quarter-wave Plate,
    IRMMW-THz.2016,(2016.9).



  • M. Nagai, E. Matsubara, M. Ashida, M. Fuyuki, K. Kawase, A. Irizawa, G. Isoyama, J. Aoki, M. Toyoda,
    Desorption Via Large-amplitude Intermolecular Vibration Driven By The Intense Picosecond THz Pulses,
    IRMMW-THz.2016,(2016.9) .



2015年度


  • E. Matsubara, T. Morimoto, M. Nagai, M. Ashida,
    Visualization of Extended-Drude Response of Photoexcited Carriers in InSb by Ultrabroadband Infrared Time-Domain Spectroscopy,
    Conference Digest - 2015 The European Conference on Lasers and Electro-Optic, CC_P_15(2015.6).


  • S. Okamoto, S. Ichikawa, Y. Minowa, M. Ashida,
    Lasing Properties of Semiconductor Microspheres with High Sphericity Fabricated by Laser Ablation in Superfluid Helium,
    Conference Digest - 2015 The European Conference on Lasers and Electro-Optic, CE_11_5(2015.6).


  • E. Matsubara, T. Morimoto, M. Nagai, M. Ashida,
    Extended-Drude Response of Photocarriers in InSb Revealed with Ultrabroadband Infrared Time-Domain Spectroscopy,
    2015 CLEO: Science and Innovations, SM3H.1 (2015.05),


  • R. Mendis, M. Nagai, Y. Wang, N. Karl, D. Mittleman,
    THz Artificial Dielectric Lens,
    2015 CLEO: Science and Innovations, STu1H.3 (2015.05),



2014年度


  • Y. Sakasegawa, S. Saito, N. Sekine, A. Kasamatsu, M. Ashida and I. Hosako,
    A novel analytical model for optical injection in terahertz quantum cascade lasers,
    Conference Digest - IEEE International Semiconductor Laser Conference, (2014.12).
    DOI:10.1109/ISLC.2014.222


  • T. Mochizuki, E. Matsubara, M. Nagai, T. Ito and M. Ashida,
    Photoinduced absorption with ultrafast decay constants in a large single crystal of BiFeO3,
    CLEO: Applications and Technology, CLEO_AT 2014(2014.06),
    DOI:10.1364/CLEO_AT.2014.JW2A.113


  • E. Matsubara, M. Nagai and M. Ashida,
    Ultrabroadband coherent infrared spectroscopy using air-plasma based generation and detection,
    CLEO: Applications and Technology, CLEO_AT 2014(2014.06),
    DOI:10.1364/CLEO_AT.2014.JTh2A.44


  • I. Katayama, M. Bito, E. Matsubara and M. Ashida,
    Broadband terahertz generation approaching optical communication frequency using tilted DAST crystals,
    CLEO: Applications and Technology, CLEO_AT 2014(2014.06),
    DOI:10.1364/CLEO_AT.2014.JTu4A.86


  • M. Ichimiya, H. Murata, T. Umakoshi, T. Kinoshita, H. Ishihara and M. Ashida,
    Ultrafast Resonant Optical Kerr Response due to Long-Range Coherent Coupling of Light and Multinode-Type Excitons,
    CLEO: Applications and Technology, CLEO_AT 2014(2014.06),
    DOI:10.1364/CLEO_AT.2014.JTh2A.109


2013年度


  • S. Fukushima, T. Furukawa, H. Niioka, M. Ichimiya, T. Nagata, J. Miyake, M. Ashida, T. Araki and M. Hashimoto,
    Towards multicolor correlative light and cathodoluminescence imaging with using upconversion nanophosphors,
    JSAP-OSA Joint Symposia, JSAP 2013 (2013.09).
    DOI:10.1364/JSAP.2013.19a_D4_2


  • E. Matsubara, M. Nagai and M. Ashida,
    Coherent detection of ultrabroadband coherent infrared pulses up to 150 THz using air,
    38th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2013, (2013.09).
    DOI: 10.1109/IRMMW-THz.2013.6665765


  • G. Yamashita, E. Matsubara, M. Nagai, Y. Kanemitsu and M. Ashida,
    Quantitative evaluation of the photoexcited carriers in bulk Si using optical pump-THz probe spectroscopy,
    38th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2013, (2013.09).
    DOI: 10.1109/IRMMW-THz.2013.6665810


  • M. Nagai, E. Matsubara and M. Ashida,
    Phase-sensitive THz nonlinear spectroscopy in high-Tc superconductor thin film,
    38th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2013, (2013.09).
    DOI: 10.1109/IRMMW-THz.2013.6665860


  • N. Mukai, M. Nagai, Y. Minowa and M. Ashida,
    Achromatic THz wave plate based on the structured parallel metal plates,
    38th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2013, (2013.09).
    DOI: 10.1109/IRMMW-THz.2013.6665875


  • E. Matsubara, M. Nagai and M. Ashida,
    Generation and detection of ultrabroadband coherent infrared pulses with frequencies up to 200 THz using air plasma and 10 fs pulses,
    10th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2013, (2013.07).
    DOI: 10.1109/CLEOPR.2013.6599983


  • M. Ichimiya, K. Kamizono, N. Okamoto, H. Ishihara and M. Ashida,
    Optical Kerr effect of confined excitons coherently coupled with radiation wave,
    10th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2013, (2013.07).
    DOI: 10.1109/CLEOPR.2013.6600520


  • Y. Sakasegawa, S. Saito, N. Sekine, M. Ashida and I. Hosako,
    Near-infrared pulse induced modulation of quantum cascade lasers,
    10th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2013, (2013.07).
    DOI: 10.1109/CLEOPR.2013.6600249


  • R. Kakimi, M. Fujita, M. Nagai, M. Ashida and T. Nagatsuma,
    Terahertz-wave absorbers using a photonic crystal slab,
    10th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2013, (2013.07).
    DOI: 10.1109/CLEOPR.2013.6600255


  • M. Nagai, Y. Kamon, Y. Minowa, E. Matsubara and M. Ashida,
    Coherent transitions in doped-germanium using intense few-cycle THz pulses,
    10th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2013, (2013.07).
    DOI: 10.1109/CLEOPR.2013.6599986


  • Y. Sakasegawa, S. Saito, N. Sekine, M. Ashida and I. Hosako,
    Near-infrared laser pulse induced amplitude modulation of terahertz quantum cascade lasers,
    2013 Conference on Lasers and Electro-Optics, CLEO 2013,
    CLEO: QELS_Fundamental Science, (2013.06).
    DOI: 10.1364/CLEO_QELS.2013.JTh2A.32


  • I. Katayama, M. Bito, E. Matsubara and M. Ashida,
    Near-infrared time-domain spectroscopy using broadband phase-locked electromagnetic pulses,
    CLEO: Science and Innovations, (2013.06).
    DOI: 10.1364/CLEO_SI.2013.CM3J.


  • E. Matsubara, M. Nagai and M. Ashida,
    Ultrabroadband infrared pulse ranging from terahertz region to near infrared using air for both generation and detection,
    2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013, (2013.05).
    DOI: 10.1109/CLEOE-IQEC.2013.6800786


  • M. Nagai, E. Matsubara, Y. Minowa and M. Ashida,
    Carrier envelope phase control of monocycle THz pulses using an artificial dispersive medium,
    2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013, (2013.05).

    DOI: 10.1109/CLEOE-IQEC.2013.6800804


2012年度


  • M. Nagai, E. Matsubara and M. Ashida,
    High-efficiency terahertz pulse generation via optical rectification by suppressing stimulated Raman scattering process,
    37th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2012, (2012.09).
    DOI: 10.1109/IRMMW-THz.2012.6380305


  • M. Nagai, M. Kimura, Y. Minowa and M. Ashida,
    Phase compensation in THz frequency region using the mirror with metal disk array,
    37th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2012, (2012.09).
    DOI: 10.1109/IRMMW-THz.2012.6380304


  • Y. Sakasegawa, S. Saito, N. Sekine, M. Ashida and I. Hosako,
    Emission intensity from terahertz quantum cascade lasers under near-infrared optical pulse injection,
    37th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2012, (2012.09).
    DOI: 10.1109/IRMMW-THz.2012.6380462


  • E. Matsubara, M. Nagai and M. Ashida,
    Generation and detection of ultrabroadband coherent infrared pulse with 200 THz bandwidth,
    37th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2012, (2012.09).
    DOI: 10.1109/IRMMW-THz.2012.6380145


  • T. Ishigaki, M. Fujita, M. Nagai, M. Ashida and T. Nagatsuma,
    Photonic-crystal slab for terahertz-wave integrated circuits,
    2012 IEEE Photonics Conference, IPC 2012, 6358852, 774-775, (2012.09).
    DOI: 10.1109/IPCon.2012.6358852


  • R. Kakimi, M. Fujita, M. Nagai, M. Ashida and T. Nagatsuma,
    Trapping a terahertz wave in a photonic-crystal slab,
    2012 IEEE Photonics Conference, IPC 2012, 6358744, 562-563, (2012.09).
    DOI: 10.1109/IPCon.2012.6358744


  • M. Nagai, E. Matsubara and M. Ashida,
    High-efficient THz electric pulse generation via optical rectification by suppressing stimulated Raman scattering,
    2012 Conference on Lasers and Electro-Optics, CLEO 2012, (2012.05).
    CLEO: Science and Innovations, CLEO_SI 2012,Pages JW2A.54, (2012.05).
    CLEO: Applications and Technology, CLEO_AT 2012 Quantum Electronics and Laser Science Conference, QELS 2012, Code 102633, (2012.05).
    DOI: 10.1364/CLEO_AT.2012.JW2A.54

  • E. Matsubara, M. Nagai and M. Ashida,
    Generation of ultrabroadband coherent infrared wave with 200 THz bandwidth using air plasma driven by intense sub 10 fs pulses,
    2012 Conference on Lasers and Electro-Optics, CLEO 2012, (2012.05).
    Code 93993, Article number 6325691
    CLEO: Science and Innovations, CLEO_SI 2012, Pages CM2L.3, (2012.05).
    DOI: 10.1364/CLEO_SI.2012.CM2L.3


2011年度


  • S. Saito, Y. Sakasegawa, N. Sekine, M. Ashida and I. Hosako,
    The intensity modulation of THz-quantum cascade lasers by NIR optical pulse injection,
    Progress in Electromagnetics Research Symposium, PIERS 2012, 1040-1042, (2012.03).

  • E. Matsubara and M. Ashida,
    Ultrabroadband coherent electric field generation from far infrared to 200 THz using air plasma induced by sub 10 fs pulses,
    36th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2011, Article number 6105224, (2011.10).
    DOI: 10.1109/irmmw-THz.2011.6105224


  • S. Saito, N. Sekine, M. Ashida and I. Hosako,
    The intensity modulaton of THz-quantum cascade lasers by optical pulse,
    36th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2011, Article number 6105179, (2011.10).
    DOI: 10.1109/irmmw-THz.2011.6105179


  • E. Matsubara, Y. Onishi, T. Ishikura, T. Kimura and M. Ashida,
    Magnetically controlled broadband THz absorption in a multiferroic hexaferrite at room temperature,
    CLEO: Science and Innovations, CLEO_SI 2011, (2011.05),
    CLEO: Applications and Technology, CLEO_AT 2011, (2011.05),
    CLEO 2011:Technical Digest, JThB110, (2011.05).
    2011 Conference on Lasers and Electro-Optics, CLEO 2011, Article number 5950857, (2011.05).
    DOI:10.1364/CLEO_AT.2011.JThB110

  • K. Miyajima, Y. Kagotani, K. Maeno, T. Sumino, S. Saito and M. Ashida,
    Transition from Amplified Spontaneous Emission to Superfluorescence from Biexcitons in Semiconductor Quantum Dots,
    Quantum Electronics and Laser Science Conference, QELS 2011, (2011.05),
    2011 Conference on Lasers and Electro-Optics, CLEO 2011, Article number 5951358, (2011.05),
    CLEO 2011:Technical Digest, (2011.05).
    DOI: 10.1364/QELS.2011.QMH4

  • E. Matsubara, Y. Onishi, T. Ishikura, T. Kimura and M. Ashida,
    Magnetic-Field Induced Broadband THz Absorption Change in a Multiferroic Hexaferrite at Room Temperature,
    Europe CLEO/Europe EQEC 2011:Technical Digest, CC3.2, (2011.05).
    DOI: 10.1109/CLEOE.2011.5942522

2010年度


  • I. Katayama, H. Shimosato, M. Bito, K. Furusawa, M. Adachi, M. Shimada, H. Zen, S. Kimura, N. Yamamoto, M. Hosaka, M. Katoh and M. Ashida,
    Coherent synchrotron terahertz radiation using electron bunch slicing,
    35th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2010, (2010.09).
    DOI: 10.1109/ICIMW.2010.5613033


  • E. Matsubara, M. Bitoh, H. Shimosato and M. Ashida,
    Ultrabroadband electric field generation and detection from far infrared to optical communication frequency,
    35th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2010, (2010.09).
    DOI: 10.1109/ICIMW.2010.5612745


  • I. Katayama, H. Shimosato, M. Bito, K. Furusawa, M. Adachi, M. Shimada, H. Zen, S. Kimura, N. Yamamoto, M. Hosaka, M. Katoh and M. Ashida,
    THz Field Detection of the Coherent Synchrotron Radiation Produced by Laser Bunch Slicing,
    Conference on Lasers and Electro-Optics, CLEO 2010, (2010.05),
    CLEO-QELS:Technical Digest, CMF6, (2010.05).
    DOI: 10.1364/CLEO.2010.CMF6


  • I. Katayama, H. Aoki, J. Takeda, H. Shimosato, M. Ashida, R. Kinjo, I. Kawayama, M. Tonouchi, M. Nagai and K. Tanaka,
    Nonlinear THz Spectroscopy on the Dielectric Thin Films,
    Conference on Lasers and Electro-Optics, CLEO 2010, (2010.05),
    CLEO-QELS: Technical Digest, CTuBB1, (2010.05).
    DOI: 10.1364/CLEO.2010.CTuBB1


  • M. Ichimiya, K. Mochizuki, M. Ashida, H. Yasuda, H. Ishihara and T. Itoh,
    Confined Excitons with Ultrafast Radiative Decay Time Less Than 100 fs Enabling Survival at Room Temperature,
    CLEO/QELS: Technical Digest, QWG1, (2010.05).
    DOI: 10.1364/QELS.2010.QWG1


2009年度


  • M. Ashida, M. Bito, H. Shimosato and I. Katayama,
    Ultra-broadband field-resolved detection using photoconductive antenna from sub-THz to near-infrared,
    CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference 2009, (2009.06).
    DOI:10.1109/CLEOE-EQEC.2009.5191486


  • M. Ichimiya, M. Ashida, H. Yasuda, H. Ishihara and T. Itoh,
    Room Temperature Degenerate Four-Wave Mixing Due to Ultrafast Radiative Decay of Confined Excitons,
    CLEO/IQEC, Technical Digest, IWA1, (2009.05).
    DOI: 10.1364/IQEC.2009.IWA1


2008年度


  • M. Ashida, R. Akai, H. Shimosato, I. Katayama, K. Miyamoto and H. Ito,
    Ultrabroadband THz wave detection using photoconductive antenna,
    33rd International Conference on Infrared and Millimeter Waves, 2008, IRMMW-THz 2008, (2008.09).
    DOI: 10.1109/ICIMW.2008.4665720


  • M. Ashida, R. Akai, H. Shimosato, I. Katayama, T. Itoh, K. Miyamoto and H. Ito,
    Ultrabroadband THz Field Detection beyond 170THz with a Photoconductive Antenna,
    Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS 2008, (2008.05).
    DOI: 10.1109/CLEO.2008.4551804


2007年度


  • H. Shimosato, I. Katayama, S. Saito, M. Ashida, T. Itoh, Y. Kadoya and K. Sakai,
    Role of low-temperature-grown GaAs substrate of photoconductive antenna in broadband terahertz time domain spectroscopy,
    Joint 32nd International Conference on Infrared and Millimetre Waves, and 15th International Conference on Terahertz Electronics, IRMMW-THz2007, (2007.09).


  • H. Yasuda, M. Ichimiya, M. Ashida, T. Itoh and H. Ishihara,
    Real time analysis of ultrafast radiative decay of nondipole-type excitonic states in a thin film,
    Conference on Lasers and Electro-Optics - Pacific Rim, CLEO/PACIFIC RIM, (2007.08),
    DOI: 10.1109/CLEOPR.2007.4391229
    Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2007, (2007.08).


  • I. Katayama, H. Shimosato, M. Ashida, I. Kawayama, M. Tonouchi and T. Itoh,
    Observation of soft-mode hardening and broadening in SrTiO3 thin films by broadband terahertz time-domain spectroscopy,
    Conference on Quantum Electronics and Laser Science, QELS 2007, (2007.05),
    DOI: 10.1109/QELS.2007.4431007
    Conference on Lasers and Electro-Optics, 2007, CLEO 2007, (2007.05).
    DOI: 10.1109/CLEO.2007.4453230


  • K. Miyajima, Y. Kagotani, K. Sakurai, S. Saito, M. Ashida and T. Itoh,
    Superfluorescence of Biexcitons in CuCl Quantum Dots under Two-Photon Resonant Excitation,
    Conference on Quantum Electronics and Laser Science (QELS) 2007, (2007.05).
    DOI: 10.1109/QELS.2007.4431591


  • K. Miyajima, H. Sawada, M. Ashida and T. Itoh,
    Transition between Rydberg 1s and 2p Exciton states of Biexcitons in Semiconductor Quantum Dots,
    Conference on Lasers and Electro-Optics, 2007, CLEO 2007, (2007.05),
    DOI: 10.1109/CLEO.2007.4453365
    Conference on Quantum Electronics and Laser Science, QELS 2007, (2007.05).
    DOI: 10.1109/QELS.2007.4431142


  • M. Ichimiya, M. Ashida, H. Yasuda, H. Ishihara and T. Itoh,
    Ultrafast Radiative Decay of Confined Excitons Due to Long-Range Coherent Coupling with Radiation Wave,
    Conference on Quantum Electronics and Laser Science, QELS 2007, (2007.05).
    DOI: 10.1109/QELS.2007.4431822


2006年度


  • K. Miyajima, H. Sawada, M. Ashida and T. Itoh,
    Infrared transient absorption spectra of excitons and biexcitons confined in CuCl quantum dots,
    Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, CLEO/QELS 2006, (2006.05).
    DOI: 10.1109/CLEO.2006.4628978


  • M. Ashida, A. Doi, T. Itoh, S. Saito and K. Sakai,
    Ultrabroadband THz Wave Detection beyond 80THz Using Photoconductive Antenna,
    Conference on Laser and Electro-Optics, CLEO 2006, 2114-2116 Vol.3, (2006.05).

2005年度


  • M. Ichimiya, M. Hasagawa, H. Ishihara, M. Ashida and T. Itoh,
    Enhancement of Degenerate Four-Wave Mixing Signal in CuCl Nanostructures with High Crystalline Quality,
    International Quantum Electronics Conference 2005, IQEC/CLEO-PR, 775-776, (2005.07).
    DOI: 10.1109/IQEC.2005.1560999

  • M. Ashida, A. Doi, H. Shimosato, S. Saito, K. Sakai and T. Itoh,
    Sensitivity of Photoconductive Antenna for Ultrabroadband Terahertz Radiation: Feasibility of detection over 100THz,
    International Quantum Electronics Conference 2005, IQEC/CLEO-PR, 1471-1472, (2005.07).
    DOI: 10.1109/IQEC.2005.1561108

  • K. Miyajima, Y. Kagotani, S. Saito, M. Ashida and T. Itoh,
    Highly Efficient Biexcitonic Lasing of Semiconductor Quantum Dots under Resonant Two-Photon Excitation,
    International Quantum Electronics Conference 2005, IQEC/CLEO-PR, 35-36, (2005.07).
    DOI: 10.1109/IQEC.2005.1560831

  • M. Ashida, A. Doi, T. Itoh, S. Saito and K. Sakai,
    Ultrabroadband THz Wave Detection beyond 80THz Using Photoconductive Antenna,
    Conference on Laser and Electro-Optics, CLEO 2005, 2114-2116, (2005.05).
    10.1109/CLEO.2005.202386


2004年度


  • M. Minamiguchi, M. Ashida and T. Itoh,
    Enhancement of quasi-phase-matched second harmonic generation with use of photonic band structure by optimizing densities of light modes,
    NLO, Technical Digest, (2004.08).


  • K. Miyajima, Y. Kagotani, M. Ashida, T. Itoh, G. Oohata, K. Edamatsu and S. Saito,
    Two-photon excitation of biexcitons and their lasing in semiconductor quantum dots,
    International Quantum Electronics Conference, IQEC2004, (2004.05).