大阪大学大学院基礎工学研究科

論文


2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004

2024年度


M. Nagai, S. Watanabe, R. Imamura, M. Ashida, K. Shimoyama, H. Li, A. N. Hattori and H. Tanaka,
Characterization of Ultrathin Conductive Films Using a Simplified Approach for Terahertz Time-Domain Spectroscopic Ellipsometry, , Journal of Infrared, Millimeter, and Terahertz Waves , , (2024.9).
DOI 10.1007/s10762-024-01011-x

2023年度


Y. Makino, Y. Saito, Y. Minowa, A. Tsurui, Y. Kishino, T. Kouuchi, Y. Takeuchi, G. Yamagishi, and M. Ashida,
Optical properties of negatively charged germanium-vacancy centers in detonation nanodiamonds with an average single-digit nanometer particle size,
Japanese Journal of Applied Physics 63 035003 (2024.3).
DOI 10.35848/1347-4065/ad2d0c

E. Matsubara, M. Nagai, and M. Ashida,
Multiple solid-plates compression for two-color excitation of air plasma emitting ultrabroadband infrared waves,
Applied Physics. Express 16 112003 (2023.11).
DOI 10.35848/1882-0786/ad08e4

K. Strecker, M. Otto, M. Nagai, J. F. O’Hara and R. Mendis,
Artificial dielectric beam-scanning prism for the terahertz region,
Scientific Reports, 13, 13793 (2023.8).
DOI 10.1038/s41598-023-41046-z

S. Sasaki, J. Naoi, M. Takamune, D. Kondo, Y. Takahashi, M. Kumakura, M. Ashida, and Y. Moriwaki,
Damped oscillation of a magnetically-trapped superconducting micro-particle in superfluid helium: measurement of viscosity based on a hydrodynamic analysis,
Applied Physics Express, 16, 082003(1-5) (2023.8).
DOI 10.35848/1882-0786/ace679

H. Takehara, M. Nagai, M. Ashida, Y. Okuyama, and Y. Kani,
Phonons Damped by Proton Doping in Barium Zirconate,
The Journal of Physical Chemistry C, 127, 10913–10921 (2023.6).
DOI:10.1021/acs.jpcc.3c00336

M. Nagai, Y. Higashitani, M. Ashida, K. Kusakabe, H. Niioka, A. N. Hattori, H. Tanaka, G. Isoyama & N. Ozaki,
Terahertz-induced martensitic transformation in partially stabilized zirconia,
Communications Physics 6, 88 (2023.4).
DOI:10.1038/s42005-023-01207-y

M. Nagai, Y. Furutani, H. Takehara, M. Ashida, Y. Okuyama, and Y. Kani,
Mechanisms of photoluminescence in cerium oxide pellets with different types of defects,
Journal of Luminescence, 260, 119859 (2023.8).
DOI:10.1016/j.jlumin.2023.119859


2022年度


H. Takehara, M. Nagai, M. Ashida, Y. Okuyama, and Y. Kani,
Determining the Atomic Arrangement near the Oxygen Vacancy in Yttrium-Doped Barium Zirconate by Photoluminescence Spectroscopy,
The Journal of Physical Chemistry C, 127, (2) 968-976 (2023.1).
DOI:10.1021/acs.jpcc.2c07521

Y. Makino, Y. Saito, H. Takehara, A. Tsurui, N. Okuyama, M. Ashida,
Effect of Particle Size on the Optical Properties of Silicon-Vacancy Centers in Nanodiamonds Fabricated by a Detonation Process,
Phys. Status Solidi A, 219, 2200342 (2022.8).
DOI:10.1002/pssa.202200342

Y. Makino, T. Yoshikawa, A. Tsurui, M. Liu, G. Yamagishi, M. Nishikawa, T. Mahiko, M. Ohno, M. Ashida, N. Okuyama,
Direct synthesis of group IV-vacancy center-containing nanodiamonds via detonation process using aromatic compound as group IV element source,
Diam. Relat. Mater., 130, 109493 (2022.12).
DOI:10.1016/j.diamond.2022.109493

蓑輪陽介、藤原秀紀、大戸達彦、山田亮、後藤穣、細井優、生田力三、鶴田篤史、横山知大、夛田博一,
物性物理学に関する学生実験のオンライン化の試み,
大学の物理教育, 28巻, 2号, 83-87 (2022).

Y. Minowa, K. Kato, S. Ueno, T. W. Penny, A. Pontin, M. Ashida and P. F. Barker,
Imaging-based feedback cooling of a levitated nanoparticle,
Review of Scientific Instruments, 93, 075109(1-5) (2022.7).
DOI:10.1063/5.0095614

H. Ren, A. I. Osaka, A. N. Hattori, B. Yu, M. Nagai, M. Ashida, B. Li, C. Zou, and H. Tanaka,
Controllable Strongly Electron-Correlated Properties of NdNiO3 Induced by Large-Area Protonation with Metal–Acid Treatment,
ACS Appl. Electron. Mater. 2022, 4, 7, 3495–3502 (2022.6).
DOI:10.1021/acsaelm.2c00473

T. Otabara, J. Tatebayashi, S. Hasegawa, D. Timmerman, S. Ichikawa, M. Ichimiya, M. Ashida and Y. Fujiwara,
Formation and optical characteristics of GaN:Eu/GaN core–shell nanowires grown by organometallic vapor phase epitaxy,
Japanese Journal of Applied Physics, 61, SD1022(1-5) (2022.5).
DOI:10.35848/1347-4065/ac4e4c

Y. Minowa, S. Aoyagi, S. Inui, T. Nakagawa, G. Asaka, M. Tsubota, M. Ashida,
Visualization of quantized vortex reconnection enabled by laser ablation,
Science Advances, 8, eabn1143(1-6) (2022.5).
DOI:10.1126/sciadv.abn1143

永井 正也，奥山 勇治，可児 幸宗,
コヒーレントテラヘルツパルスでみる燃料電池で用いられる 固体電解質内の高速イオン伝導,
レーザー研究, 50 (4), 198-201 (2022.4).

　　　　　　

2021年度


永井正也,
超短光パルスレーザー励起型高強度テラヘルツパルス発生技術の進展,
日本赤外線学会誌, 31 (2), 6-13 (2022.2).

Y. Minowa, X. Geng, K. Kokado, K. Sato, T. Kameyama, T. Torimoto, and M. Ashida,
Optical trapping of nanoparticles in superfluid helium,
Optica 9, 139-144 (2022.1).
DOI:10.1364/OPTICA.447557

M. Takamune, S. Sasaki, D. Kondo, J. Naoi, M. Kumakura, M. Ashida, and Y. Moriwaki,
In situ size measurement of a magnetically trapped single superconducting microparticle by Mie scattering,
Applied Physics Express 15, 012007(1-5) (2022.1).
DOI:10.35848/1882-0786/ac4206

坪内雅明, 山崎祥他, 保科宏道, 永井正也, 磯山悟朗,
テラヘルツ自由電子レーザーによる水中光音響波発生とその応用,
光学, 50, 509-516 (2022.1).

M. Nagai, Y. Furutani, H. Takehara, T. Morimoto, M. Ashida, Y. Okuyama, and Y. Kani,
Evaluation of the Oxygen Migration Energy in Doped Ceria by Terahertz Spectroscopy,
Phys. Rev. Applied 16, 064069 (2021.12).
DOI:10.1103/PhysRevApplied.16.064069

C. Zhou, X. Zhang, J. Ai, T. Ji, M. Nagai, Y. Duan, S. Che & L. Han,
Chiral hierarchical structure of bone minerals,
Nano Research, 15,(2), 1295–1302 (2021.8).
DOI:10.1007/s12274-021-3653-z


2020年度


S. Ichikawa, Y. Sasaki, T. Iwaya, M. Murakami, M. Ashida, D. Timmerman, J. Tatebayashi, and Y. Fujiwara,
Enhanced Red Emission of Eu,O-Codoped GaN Embedded in a Photonic Crystal Nanocavity with Hexagonal Air Holes,
Phys. Rev. Applied 15, 034086(1-12) (2021.3).
DOI:10.1103/PhysRevApplied.15.034086

K. Miyagawa, M. Nagai, M. Ashida, C. Kim, H. Akiyama,
Enhanced Magneto-Optical Kerr Effect of GaAs-Based P-N Junctions in the Terahertz Range,
Journal of Infrared, Millimeter, and Terahertz Waves 42, 325–337 (2021.2).
DOI:10.1007/s10762-021-00779-6

N. Tanimoto, M. Nagai, M. Ashida, Y. Okuyama and Y. Kani,
Assessing the atomic structure of the defect complex in a solid electrolyte by photoluminescence measurements,
Japanese Journal of Applied Physics, 60 032004 (2021.2).
DOI:10.35848/1347-4065/abdf7a

E. Matsubara, M. Nagai, M. Ashida,
Coherent detection of ultrabroadband infrared pulses using a single crystal of diamond,
Applied Physics Express, 14 032005(1)-(4) (2021.2).
DOI:10.35848/1882-0786/abdef4

Y. Makino, T. Mahiko, M. Liu, A. Tsurui, T. Yoshikawa, S. Nagamachi,
S. Tanaka, K. Hokamoto, M. Ashida, M. Fujiwara, N. Mizuochi, M. Nishikawa,
Straightforward Synthesis of Silicon Vacancy (SiV) Center-containing Single-digit Nanometer Nanodiamonds via Detonation Process,
Diamond and Related Materials, 112, 108248(1-8) (2021.2).
DOI:10.1016/j.diamond.2021.108248(1-8)

T. Handa, T. Yamada, M. Nagai, and Y. Kanemitsu,
Phonon, thermal, and thermo-optical properties of halide perovskites,
Phys. Chem. Chem. Phys. 22, 26069-26087 (2020.11).
DOI:10.1039/D0CP04426A.

M. Tsubouchi, H. Hoshina, M. Nagai and G. Isoyama,
Plane photoacoustic wave generation in liquid water using irradiation of terahertz pulses,
Scientific Reports 10, 18537 (2020.10).
DOI:10.1038/s41598-020-75337-6.

D. Timmerman, E. Matsubara, L. Gomez, M. Ashida, T. Gregorkiewicz, and Y. Fujiwara,
Direct Visualization and Determination of the Multiple Exciton Generation Rate,
ACS Omega 5, 21506−21512 (2020.8).
DOI:10.1021/acsomega.0c02067.

Y. Kanemitsu, T. Yamada, T. Handa, and M. Nagai,
Optical responses of lead halide perovskite semiconductors,
Semicond. Sci. Technol. 35, 093001 (2020.8).
DOI:10.1088/1361-6641/ab95b1.

D. Denier van der Gon, D. Timmerman, Y. Matsude, S. Ichikawa, M. Ashida, P. Schall, and Y. Fujiwara,
Size dependence of quantum efficiency of red emission from GaN:Eu structures for application in micro-LEDs,
Opt. Lett. 45, 3973-3976 (2020.7).
DOI:10.1364/OL.397848.

D. Timmerman, B. Mitchell, S. Ichikawa, M. Nagai, M. Ashida, and Y. Fujiwara,
Carrier dynamics and excitation of Eu3+ ions in GaN,
Phys. Rev. B 101, 245306(1-5) (2020.6).
DOI:10.1103/PhysRevB.101.245306.

Y. Minowa, S. Kuramoto, T. Kameyama, T. Torimoto, M. Ashida,
Synthesis of submicron-sized CdS particles using reverse micelles,
Journal of Nanophotonics, 14(2), 026013 (2020.5).
DOI:10.1117/1.JNP.14.026013.

2019年度


M. Ichimiya, T. Kameyama, T. Torimoto, T. Uematsu, S. Kuwabata, M. Ashida,
Temperature dependences of photoluminescence intensities observed from AgInGaS and AgInGaS/GaSx core–shell nanoparticles,
Journal of Nanophotonics, 14, 016010(1-8) (2020.3).
DOI:10.1117/1.JNP.14.016010.

K. Kawase, M. Nagai, K. Furukawa, M. Fujimoto, R. Kato, Y. Honda, and G. Isoyama,
Extremely high-intensity operation of a THz free-electron laser using an electron beam with a higher bunch charge,
Nuclear Inst. and Methods in Physics Research, A 960 (2020) 163582, in press, (2020.2).
DOI: 10.1016/j.nima.2020.163582.

D. Timmerman, B. Mitchell, S. Ichikawa, J. Tatebayashi, M. Ashida, and Y. Fujiwara,
Excitation Efficiency and Limitations of the Luminescence of Eu3+ Ions in GaN,
Phys. Rev. Appl. 13, 014044(1-6) (2020.1).
DOI: 10.1103/PhysRevApplied.13.014044.

M. Nagai, A. Nakane, H. Suzukawa, T. Morimoto, and M. Ashida,
Time-Domain Magnetic Field-Difference Spectroscopy for Semiconductors Using Circularly Polarized Terahertz Pulses,
IEEE Transactions on Terahertz Science and Technology, in press 10, (1), 51-57 (2020.1).
DOI: 10.1109/TTHZ.2019.2951055.

T. Matsuda, M. Ichimiya, M. Ashida, H. Ishihara,
Ultrafast thermal-free photoluminescence of coherently extended single quantum states,
Scientific Reports 9, 8453(1-8) (2019.11).
DOI: 10.1038/s41598-019-44940-7.

W. Zhang, A. Charous, M. Nagai,  D M. Mittelman, and R. Mendis,
Characteristics of resonance-induced optical vortices and spatial reshaping,
Optics Letters Vol. 44, 163-166 (2019.12).
DOI: 10.1364/OL.44.005800 https://doi.org/10.1364/OL.44.005800.

永井　正也,
高強度テラヘルツパルスによる有機固体のアブレーション,
光学,48,(10) 407-411 (2019.7).

M. Nagai,
Birefringent Metamaterials for THz Optics,
Electromagnetic Metamaterials, pp.89-98 (2019.7).
DOI: 10.1007/978-981-13-8649-7_6.

T. Morimoto, M. Nagai, Y. Minowa, M. Ashida, Y. Yokotani, Y. Okuyama & Y. Kani ,
Microscopic ion migration in solid electrolytes revealed by terahertz time-domain spectroscopy,
Nature Communications 10, 2662 (2019.6).
DOI:10.1038/s41467-019-10501-9.

T. Kinoshita, T. Matsuda, T. Takahashi, M. Ichimiya, M. Ashida, Y. Furukawa, M. Nakayama, and H. Ishihara,
Synergetic Enhancement of Light-Matter Interaction by Nonlocality and Band Degeneracy in ZnO Thin Films,
Physical Review Letters. 122, 157401(1-5) (2019.4).
DOI:10.1103/PhysRevLett.122.157401.

2018年度



M. Ichimiya, T. Matsuda, T. Kinoshita, M. Nakayama, H. Ishihara, M. Ashida,
Femtosecond radiative decay of two excitons coupled via radiation-induced interaction in ZnO thin films,
Ultrafast Phenomena and Nanophotonics XXIII, 109160K (2019.3).
DOI:10.1117/12.2509409.

M. Kobayashi, Y. Arashida, G. Yamashita, E. Matsubara, M. Ashida, J. A. Johnson, and I.Katayama ,
Fast-frame single-shot pump-probe spectroscopy with chirped-fiber Bragg gratings,
Optics Letters Vol. 44, 012506 (2019.1).
DOI: 10.1364/OL.44.000163.

T. Omatsu, M. Ashida, Y. Arita,
Special Section Guest Editorial: Optical Manipulation and Structured Materials,
Journal of Nanophotonics, 13(1), 012501 (2019.2).
DOI:10.1117/1.JNP.13.012501.

W. Zhang, A. Charous, M. Nagai, D. M. Mittleman, and R. Mendis,
Characterizing optical resonances using spatial mode reshaping,
Optica 5, (11) 1414-1417 (2018.11).
DOI: 10.1364/OPTICA.5.001414.

W. Zhang, A. Charous, M. Nagai, D. M. Mittleman, and R. Mendis,
Extraordinary optical reflection resonances and bound states in the continuum from a periodic array of thin metal plates,
Optics Express 26, (10),13195-13204 (2018.5).
DOI:10.1364/OE.26.013195.

M. Nagai, T. Tomioka, M. Ashida, M. Hoyano, R. Akashi, Y. Yamada, T. Aharen, and Y. Kanemitsu,
Longitudinal Optical Phonons Modified by Organic Molecular Cation Motions in Organic-Inorganic Hybrid Perovskites,
Physical Review Letters 121, 145506 (2018.10).
DOI: 10.1103/PhysRevLett.121.145506.

C. de Weerd, L. Gomez, A. Capretti, D. M. Lebrun, E. Matsubara, J.Lin, M. Ashida, F. C. M. Spoor, L. D. A. Siebbeles, A. J. Houtepen, K. Suenaga, Y. Fujiwara,and T. Gregorkiewicz,
Efficient carrier multiplication in CsPbI3 perovskite nanocrystals,
Nature Communications 9, 4199 (2018.10).
DOI: 10.1038/s41467-018-06721-0.

K. Miyagawa, M. Nagai, G. Yamashita, M. Ashida, C. Kim, H. Akiyama, and Y. Kanemitsu,
Quantitative monitoring of the internal field in the depletion layer of a GaAs-based solar cell with terahertz radiation,
Applied Physics Letters, 113, 163501 (2018.10).
DOI: 10.1063/1.5037952.

Y. Minowa, T. Suzuki, K. Setoura, S. Ito, H. Miyasaka, M. Ashida,
Single-particle photoluminescence from cadmium selenide quantum dots fabricated via laser ablation in superfluid helium,
Journal of Nanophotonics, 13 012506(1-6)(2018.10).
DOI: 10.1117/1.JNP.13.012506.

2017年度
  • T. Inaba, t. Kojima, G. Yamashita, E. Matsubara, B. Mitchell, R. Miyagawa, O. Eryu, J. Tatebayashi, M. Ashida and Y. Fujiwara,
    Quantitative study of energy-transfer mechanism in Eu,O-codoped GaN by time-resolved photoluminescence spectroscopy,
    Journal of Applied Physics, 123, 161419 (2018.3).
    DOI: 10.1063/1.5011283

    山下元気、松原英一、永井正也、芦田昌明,
    テラヘルツ分光でみる太陽電池材料・デバイスの光励起キャリアダイナミクス,
    光アライアンス,28 ,(8) 43-47 (2017.8).

    R. Mendis, M. Nagai, W. Zhang and D. M. Mittleman,
    Artificial dielectric polarizing-beamsplitter and isolator for the terahertz region,
    Scientific Reports,7,5909 (2017.7).
    DOI:10.1038/s41598-017-06297-7.

    松原英一、永井正也、芦田昌明,
    テラヘルツ時間領域分光法の広帯域化と物性研究への応用,
    光アライアンス,28,(6) 30 (2017.6).

    Y. Minowa, Y. Toyota, and M.Ashida，
    In situ tuning of whispering gallery modes of levitated silica microspheres，
    Journal of the Optical Society of America B, Vol. 34, 6,C20-C24 (2017.5).
    DOI：10.1364/JOSAB.34.000C20.

    M. Nagai, S. Aono, M. Ashida, K. Kawase, A. Irizawa and G. Isoyama,
    Luminescence induced by electrons outside zinc oxide nanoparticles driven by intense terahertz pulse trains,
    New Journal of Physics,19, 053017 (2017.5).
    DOI:10.1088/1367-2630/aa6e19.

    Y. Minowa, Yuya Oguni, and M. Ashida,
    Inner structure of ZnO microspheres fabricated via laser ablation in superfluid helium,
    Optics Express, 25, 10449-10455 (2017.4).
    DOI:10.1364/OE.25.010449.

2016年度

    永井正也, 磯山悟朗,
    テラヘルツ自由電子レーザーによる分子固体のアブレーション,
    化学工業 68, (3) 190-194 (2017.3).　　　

    G. Yamashita, E. Matsubara, M. Nagai, C. Kim, H. Akiyama, Y. Kanemitsu, and M. Ashida,
    Sensitive monitoring of photocarrier densities in the active layer of a photovoltaic device with time-resolved terahertz reflection spectroscopy,
    Applied Physiscs Letters 110, 071108 (2017.2).
    DOI: 10.1063/1.4975631.

    Y. Sakasegawa, N. Sekine, S. Saito, M. Ashida, A. Kasamatsu,I. Hosako,
    Numerical study of terahertz quantum cascade lasers subjected to near-infrared optical pulse injection,
    J. Comput. Electron., 16, 382–391 (2017.2).
    DOI:10.1007/s10825-017-0962-2.

    Y. Takahashi, J. Suzuki, N. Yoneyama, Y. Tokawa, N. Suzuki, F. Matsushima, M. Kumakura, M. Ashida and Y. Moriwaki,
    Magnetic trapping of superconducting submicron particles produced by laser ablation in superfluid helium,
    Appl. Phys. Express 10, 022701(1-4) (2017.1).
    DOI:10.7567/APEX.10.022701.

    森本智英, 山下元気, 永井 正也, 芦田 昌明,
    位相板を用いた円偏光THz時間領域分光法,
    光アライアンス 28 (1) 44-47 (2017.1).

    永井正也,
    テラヘルツ周波数帯の分光応用　～テラヘルツ伝導を例に～,
    O plus E 38, (12) 1138-1141 (2016.12).

    E. M. L. D. de Jong, G. Yamashita, L. Gomez, M. Ashida, Y. Fujiwara, and T. Gregorkiewicz,
    Multiexciton Lifetime in All-Inorganic CsPbBr3 Perovskite Nanocrystals,
    Journal of Physical Chemistry C 121, 1941-1947 (2017) (2016.12).
    DOI:10.1021/acs.jpcc.6b10551.

    Y. Sakasegawa, S. Saito, N. Sekine, A. Kasamatsu, M. Ashida, and I. Hosako,
    Time-resolved intensity and spectral changes in a wide-ridge terahertz quantum cascade laser by optical pulse injection,
    Jpn. J. Appl. Phys. 55, 102701 (2016.9).
    DOI: 10.7567/JJAP.55.102701.

    E. Matsubara, T. Mochizuki, M. Nagai, and M. Ashida,
    Self-polarized terahertz magnon absorption in a single crystal of BiFeO3,
    Phys. Rev. B,94, 054426 (2016.8).
    DOI:10.1103/PhysRevB.94.054426.

    L. Q. Phuong, Y. Yamada, M. Nagai, N. Maruyama, A. Wakamiya, and Y. Kanemitsu,
    Free Carriers versus Excitons in CH2NH3PbI3 Perovskite Thin Films at Low Temperatures: Charge Transfer from the Orthorhombic Phase to the Tetragonal Phase,
    Journal of Physical Chemistry Letters 7, 2316–2321 (2016.6).
    DOI:10.1021/acs.jpclett.6b00781.

    H. Hoshina, H. Suzuki, C. Otani, M. Nagai, K. Kawase, A. Irizawa, G. Isoyama,
    Polymer Morphological Change Induced by Terahertz Irradiation,
    Scientific Reports 6, 27180 (2016.6).
    DOI:10.1038/srep27180.

    S. Fukushima, T. Furukawa, H. Niioka, M. Ichimiya, T. Sannomiya, N. Tanaka, D. Onoshima, H. Yukawa, Y. Baba, M. Ashida, J. Miyake, T. Araki and M. Hashimoto,
    Correlative near-infrared light and cathodoluminescence microscopy using Y2O3 :Ln, Yb (Ln = Tm, Er) nanophosphors for multiscale, multicolour bioimaging ,
    Scientific Reports 6, 25950 (2016.5).
    DOI:10.1038/srep25950.

    T. Adachi, Y. Nakamatsu, T. Kobayashi, S. Miyasaka, S. Tajima, M. Ichimiya, M. Ashida, H. Sagayama, H. Nakao, R. Kumai, and Y. Murakami,
    Effects of c/a Anisotropy and Local Crystal Structure on Superconductivity in AFe2(As1−xPx)2 (A = Ba1−ySry, Sr1−yCay and Eu),
    J. Phys. Soc. Jpn. 85, 063705(1-4) (2016.5) LETTERS.
    DOI:10.7566/JPSJ.85.063705.

2015年度


    • T. V. A. Nguyen, A. N. Hattori, M. Nagai, T. Nakamura, M. Ashida and H. Tanaka,
      Electrical transport properties of (La,Pr,Ca)MnO3 nanowires investigated using terahertz time domain spectroscopy,
      J. Appl. Phys. 119, 125102 (2016.3).
      doi:10.1063/1.4944601

    • R. Mendis, M. Nagai, Y. Wang, N. Karl, and D. M. Mittleman,
      Terahertz Artificial Dielectric Lens,
      Scientific Reports 6, 23023 (2016.3).
      doi:10.1038/srep23023

    • A. Ishikawa, K. Miyajima, M. Ashida, T. Itoh, and H. Ishihara ,
      Theory of Superfluorescence in Highly Inhomogeneous Quantum Systems,
      J. Phys. Soc. Jpn. 85, 034703 (2016.3).

    • S. Fukushima, T. Furukawa, H. Niioka, M. Ichimiya, T. Sannomiya, J. Miyake, M. Ashida, T. Araki, and M. Hashimoto,
      Synthesis of Y2O3 nanophosphors by homogeneous precipitation method using excessive urea for cathodoluminescence and upconversion luminescence bioimaging,
      Optical Materials Express, 6, 831-843 (2016.2).
      DOI: 10.1364/OME.6.000831

    • T. Morimoto, G. Yamashita, M. Nagai and M. Ashida,
      Evaluation of complex conductivity in a circularly polarized field by terahertz time-domain reflection spectroscopy with a phase shifter,
      Appl. Phys. Express 9(2), 022402 (2016.2).
      DOI: 10.7567/APEX.9.022402

    • 永井正也,
      メタマテリアルによる汎用THz光学素子,
      レーザー研究 44(1), 38-41 (2016.1).

    • T. Suzuki, M. Nagai, and Y. Kishi,
      Extreme-sensitivity terahertz polarizer inspired by an anisotropic cut-through metamaterial,
      Opt. Lett. 41(2), 325-328 (2016.1).
      DOI: 10.1364/OL.41.000325

    • L. Q. Phuong, M. Okano, G. Yamashita, M. Nagai, M. Ashida, A. Nagaoka, K. Yoshino and Y. Kanemitsu,
      Free-carrier dynamics and band tails in Cu2ZnSn(SxSe1-x)4: Evaluation of factors determining solar cell efficiency,
      Phys. Rev. B 92, 115204 (2015.9).
      DOI: 10.1103/PhysRevB.92.115204

    • E. Matsubara, T. Mochizuki, M. Nagai, T. Ito and M. Ashida,
      Ultrafast near-infrared nonlinear absorption in a multiferroic single crystal of bismuth ferrite,
      Jpn. J. Appl. Phys. 54, 092201 (1-5) (2015.8).
      DOI: 10.7567/JJAP.54.092201

    • A. N. Hattori, Y. Fujiwara, K. Fujiwara, T. V. A. Nguyen, T. Nakamura, M. Ichimiya, M. Ashida and H. Tanaka,
      Identification of Giant Mott Phase Transition of Single Electric Nanodomain in Manganite Nanowall Wire,
      Nano Lett. 15 (7) 4322-4328 (2015.06).
      DOI: 10.1021/acs.nanolett.5b00264

    • H. Fujiwara, T. Kiss, Y. K. Wakabayashi, Y. Nishitani, T. Mori, Y. Nakata, S. Kitayama, K. Fukushima, S. Ikeda, H. Fuchimoto, Y. Minowa, S. K. Mo, J. D. Denlinger, J. W. Allen, P. Metcalf, M. Imai, K. Yoshimura, S. Suga, T. Muro and A. Sekiyama,
      Soft X-ray angle-resolved photoemission with micro-positioning techniques for metallic V2O3,
      J. Synchrotron Rad. 22, 776-78 (2015.05).
      DOI: 10.1107/S1600577515003707

    • L. Q. Phuong, M. Okano, G. Yamashita, M. Nagai, M. Ashida, A. Nagaoka, K. Yoshino and Y. Kanemitsu,
      Photocarrier dynamics in undoped and Na-doped Cu2ZnSnS4 single crystals revealed by ultrafast time-resolved terahertz spectroscopy,
      Appl. Phys. Express, 8 (6) 062303 (1-4) (2015.05).
      DOI: 10.7567/APEX.8.062303

2014年度


    • Y. Minowa, R. Kawai and M. Ashida,
      Optical levitation of a microdroplet containing a single quantum dot,
      Optics Lett. 40, (6) 906-909 (2015.3).
      DOI: 10.1364/OL.40.000906

    • M. Nagai, Y. Kamon, E. Matsubara, Y. Minowa and M. Ashida,
      Pulse shaping of the intense few-cycle terahertz pulses for nonlinear spectroscopy,
      Ultrafast Phenomena and Nanophotonics XIX, Proceedings of SPIE - The International Society for Optical Engineering Volume 9361, 936107 (1-6) (2015.03).
      DOI: 10.1117/12.2079005

    • M. Ichimiya, T. Umakoshi, H. Murata, T. Kinoshita, H. Ishihara and M. Ashida,
      Resonant Optical Kerr Response with Ultrashort Decay Time by Nonlocal Wave Coupling of Light and Excitons,
      Ultrafast Phenomena XIX, Proceedings of the 19th International Conference, (Springer), 348-351 (2015.02).
      DOI: 10.1364/UP.2014.08.Tue.P2.47

    • M. Nagai, N. Mukai, Y. Minowa, M. Ashida, T. Suzuki, J. Takayanagi and H. Ohtake,
      Achromatic wave plate in THz frequency region based on parallel metal plate waveguides with a pillar array,
      Optics Express, 23, (4) 4641–4649 (2015.02).
      DOI: 10.1364/OE.23.004641

    • Y. Kishi, M. Nagai, J. C. Young, K. Takano, M. Hangyo and T. Suzuki,
      Terahertz laminated-structure polarizer with high extinction ratio and transmission power,
      Appl. Phys. Express, 8 (3) 032201 (1-4) (2015.02).
      DOI: 10.7567/APEX.8.032201

    • S. Okamoto, S. Ichikawa, Y. Minowa and M. Ashida,
      Fabrication and Lasing Properties of Single-Crystalline Semiconductor Microspheres with Anisotropic Crystal Structures,
      MRS Online Proceedings Library, 1736, mrsf14-1736-t08-02 (1-6) (2015.02).
      DOI: 10.1557/opl.2015.103

    • G. Yamashita, E. Matsubara, M. Nagai, Y. Kanemitsu and M. Ashida,
      Intrinsic carrier multiplication efficiency in bulk Si crystals evaluated by optical-pump/terahertz-probe spectroscopy,
      Appl. Phys. Lett. 105, 231118 (1-4) (2015.2).
      DOI: 10.1063/1.4906455

    • K. Dung T.Doan, S. Fukushima, H. Niioka , M. Ichimiya, M. Ashida, T. Araki, M. Hashimoto, J. Miyake,
      Multimodal Imaging Probing Platform Based on Upconverting Rare-Earth Doped Gd2O3 Nanocrystals,
      Biophysical Journal,Volume 108, Issue 2, Supplement 1, 27 January 2015, Pages 171a-172a,
      DOI:10.1016/j.bpj.2014.11.946.

      • L. Q. Phuong, M. Okano, Y. Yamada, G. Yamashita, T. Morimoto, M. Nagai, M. Ashida, A. Nagaoka, K. Yoshino and Y. Kanemitsu,
        Ultrafast free-carrier dynamics in Cu2ZnSnS4 single crystals studied using femtosecond time-resolved optical spectroscopy,
        Appl. Phys. Lett. 105, 231902 (1-4) (2014.12).
        DOI: 10.1063/1.4903802

      • 永井正也, 高柳順,
        金属板でテラヘルツ光の偏光を制御する～平行平板導波路を用いたアクロマート波長板～,
        光アライアンス, 25, (11) 21-23 (2014.11).

      • 蓑輪陽介, 芦田昌明,
        半導体ナノ粒子の光輸送,
        レーザー研究, 42, (10) 771-775 (2014.10).

      • T. V. A. Nguyen, A. N. Hattori, M. Nagai, T. Nakamura, K. Fujiwara, M. Ashida and H. Tanaka,
        Estimation of dc transport dynamics in strongly correlated (La,Pr,Ca)MnO3 film using an insulator-metal composite model for terahertz conductivity,
        Appl. Phys. Lett. 105, 023502 (1-4) (2014.07).
        DOI: 10.1063/1.4890109

      • S. Fukushima, T. Furukawa, H. Niioka, M. Ichimiya, J. Miyake, M. Ashida, T. Araki and M. Hashimoto,
        Y2O3:Tm,Yb nanophosphors for correlative upconversion luminescence and cathodoluminescence imaging,
        Micron, 67, 90-95 (2014.07).
        DOI: 10.1016/j.micron.2014.07.002

      • M. Nagai, E. Matsubara, M. Ashida, J. Takayanagi and H. Ohtake,
        Generation and Detection of THz Pulses with a Bandwidth Extending Beyond 4 THz Using a Sub-picosecond Yb-doped Fiber Laser System,
        Terahertz Science and Technology, IEEE Transactions on, 4, (4) 440-446 (2014.06).
        DOI: 10.1109/TTHZ.2014.2327377

      • R. Kakimi, M. Fujita, M. Nagai, M. Ashida and T. Nagatsuma,
        Capture of a terahertz wave in a photonic-crystal slab,
        Nature Photonics, 8, (8) 657-663 (2014.07).
        DOI: 10.1038/nphoton.2014.150

      • S. Okamoto, K. Inaba, T. Iida, H. Ishihara, S. Ichikawa and M. Ashida,
        Fabrication of single-crystalline microspheres with high sphericity from anisotropic materials,
        Sci. Rep. 4, 5186 (1-4) (2014.06).
        DOI: 10.1038/srep05186

    2013年度


      • Ultra-broadband IR and THz generation and detection with ultrashort pulses,
        Proceedings of SPIE - The International Society for Optical Engineering, 8964, (2014.02).
        DOI: 10.1117/12.2042829

      • T. Kawano, I. Katayama, J. Ohara, M. Ashida and J. Takeda,
        Intermolecular THz Vibrations Relevant to Optically and Thermally Induced Magnetic Phase Transitions in the Strongly Correlated Organic Radical TTTA,
        J. Phys. Soc. Jpn. 83, 014713 (1-6) (2014.01).
        DOI: 10.7566/JPSJ.83.014713

      • M. Nagai, N. Mukai, Y. Minowa, M. Ashida, J. Takayanagi and H. Ohtake,
        Achromatic THz wave plate composed of stacked parallel metal plates,
        Opt. Lett. 39, (1) 146-149 (2014.01).
        DOI: 10.1364/OL.39.000146

      • S. Okamoto, S. Ichikawa, Y. Minowa and M. Ashida,
        Optical fabrication of semiconductor single-crystalline microspheres in superfluid helium,
        MRS Proceedings, 1635, 103-108 (2013.12).
        DOI: 10.1557/opl.2014.100

      • T. Furukawa, H. Niioka, M. Ichimiya, T. Nagata, M. Ashida, T. Araki and M. Hashimoto,
        High-resolution microscopy for biological specimens via cathodoluminescence of Eu- and Zn-doped Y2O3nanophosphors,
        Optics Express, 21, (22) 25655-25663 (2013.11).
        DOI: 10.1364/OE.21.025655.

      • M. Ichimiya, L. Q. Phuong, M. Ashida and T. Itoh,
        Growth of high-quality CuCl thin films by a technique involving electron-beam irradiation,
        J. Cryst. Growth, 378, 372-375 (2013.09).
        DOI: 10.1016/j.jcrysgro.2012.12.103

      • 一宮正義, 芦田昌明, 石原 一,
        I－VII族化合物の精密薄膜制御による極限光学応答の発現,
        スマートプロセス学会誌, 2, (5) 245-250 (2013.09).

      • I. Katayama, R. Akai, M. Bito, E. Matsubara and M. Ashida,
        Electric field detection of phase-locked near-infrared pulses using photoconductive antenna,
        Optics Express, 21, (14) 16248-16254 (2013.06).
        DOI: 10.1364/OE.21.016248

      • E. Matsubara, M. Nagai and M. Ashida,
        Coherent infrared spectroscopy system from terahertz to near infrared using air plasma produced by 10-fs pulses,
        J. Opt. Soc. Am. B, 30, 1627-1630 (2013.06).
        DOI: 10.1364/JOSAB.30.001627

      • M. Nagai, Y. Kamon, Y. Minowa, E. Matsubara and M. Ashida,
        Coherent transitions between the shallow acceptor levels in germanium using intense THz pulses,
        New J. Phys. 15, 065012-065021 (2013.06).
        DOI: 10.1088/1367-2630/15/6/065012

    　2012年度

      • L.Q. Phuong, K. Miyajima, K. Maeno, T. Itoh and M. Ashida,
        Transitions from spontaneous emission to stimulated emission and superfluorescence of biexcitons confined in CuCl quantum dots,
        J. Luminescence, 133, 77-80 (2013.01).
        DOI: 10.1016/j.jlumin.2011.10.001

      • L. Q. Phuong, M. Ichimiya, H. Ishihara and M. Ashida,
        Multiple light-coupling modes of confined excitons observable in photoluminescence spectra of high-quality CuCl thin films,
        Phys. Rev. B, 86, 235449 (1-5) (2012.12).
        DOI: 10.1103/PhysRevB.86.235449

      • A. N. Hattori, M. Ichimiya, M. Ashida and H. Tanaka,
        ZnO nanobox luminescent source fabricated by three-dimensional nanotemplate pulsed-laser deposition,
        Appl. Phys. Express, 5, 125203 (1-3) (2012.11).
        "Nature Photonics 7, 92 (2013)"で紹介
        DOI: 10.1143/APEX.5.125203

      • M. Ando, S. Uozumi, I. Katayama, M. Ichimiya, M. Ashida and J. Takeda,
        Photoluminescence dynamics in CuCl thin films under high-dense one-and two-photon excitations,
        Phys. Status Solidi C, 9, (12) 2493-2496 (2012.10).
        DOI: 10.1002/pssc.201200278

      • 岡本慎也, 市川 聡, 蓑輪陽介, 芦田昌明,
        超流動ヘリウム中でのレーザーアブレーションによるZnO微小球の作製ー構造と光学特性,
        ナノ学会, ナノ学会会報, 11, (1) 11-14 (2012.10).

      • M. Ichimiya, H. Yasuda, M. Ashida, H. Ishihara and T. Itoh,
        Room temperature superradiance due to coherent coupling between light and extended single quantum state,
        J. Non-Cryst. Solids, 358, 2357-2361 (2012.09).
        DOI: 10.1016/j.jnoncrysol.2012.02.019

      • M. Tsubouchi, M. Nagai and Y. Ohshima,
        Terahertz tomography of a photo-induced carrier based on pump-probe spectroscopy using counterpropagation geometry,
        Opt. Lett. 37, (17) 3528-3530 (2012.09).
        DOI: 10.1364/OL.37.003528.

      • K. Katayama, K. Miyajima, M. Ashida and T. Itoh,
        The photoexcited spin-aligned state of high-density exciton magnetic polarons and the effect of magnetic field in semimagnetic semiconductor Cd 0.8Mn 0.2Te,
        J. Phys. Condens. Matter, 24, (32) 5801(1-6) (2012.08).
        DOI: 10.1088/0953-8984/24/32/325801

      • E. Matsubara, M. Nagai and M. Ashida,
        Generation and detection of ultrabroadband infrared wave exceeding 200 THz,
        18th International Conference on Ultrafast Phenomena, UP 2012(2012.07).
        DOI: 10.1051/epjconf/20134109001

      • E. Matsubara, M. Nagai and M. Ashida,
        Ultrabroadband coherent electric field from far infrared to 200 THz using air plasma induced by 10 fs pulses,
        Appl. Phys. Lett. 101, 011105 (1-4) (2012.07).
        DOI: 10.1063/1.4732524

    2011年度


      • M. Nagai, E. Matsubara, and M. Ashida,
        High-efficiency terahertz pulse generation via optical rectification by suppressing stimulated Raman scattering process,
        Optics Express, 20, (6) 6509-6514 (2012.03).
        DOI: 10.1364/OE.20.006509

      • 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,
        Electric field detection of coherent synchrotron radiation in a storage ring generated using laser bunch slicing,
        Appl. Phys. Lett. 100, 111112 (1-4) (2012.03).
        DOI: 10.1063/1.3694049

      • I. Katayama, H. Aoki, J. Takeda, H. Shimosato, M. Ashida, R. Kinjo, I. Kawayama, M. Tonouchi, M. Nagai and K. Tanaka,
        Ferroelectric soft mode in a SrTiO3 thin film impulsively driven to the anharmonic regime using intense picosecond Terahertz pulses,
        Phys. Rev. Lett. 108, 097401 (1-5) (2012.02).
        DOI: 10.1103/PhysRevLett.108.097401

      • S. Okamoto, Y. Minowa and M. Ashida,
        White-light lasing in ZnO microspheres fabricated by laser ablation,
        Proc. of SPIE, 8263, 82630K(1-7) (2012.02).
        DOI: 10.1117/12.907595

      • 永井正也, 廣理英基, 田中耕一郎,
        高強度テラヘルツパルスが創る物性,
        日本物理学会誌, 66, (12) 919-922 (2011.12).

      • Y. Minowa, M. Nagai, H. Tao, K. Fan, A. C. Strikwerda, X. Zhang, R. D. Averitt and K. Tanaka,
        Extremely thin metamaterial as slab waveguide at terahertz frequencies,
        IEEE Transactions on Terahertz Science and Technology, 1, (2) 441-449 (2011.12).
        DOI: 10.1109/TTHZ.2011.2167832

      • H. Niioka, T. Furukawa, M. Ichimiya, M. Ashida, T. Araki and M. Hashimoto,
        Multicolor Cathodoluminescence Microscopy for Biological Imaging with Nanophosphors,
        Appl. Phys. Express, 4, (11) 112402(1-3) (2011.11).
        "Virtual Journal of Nanoscale Science & Technology, 24, (22) (2011)" に採択
        DOI: 10.1143/APEX.4.112402

      • K. Tanaka, H. Hirori and M. Nagai,
        THz Nonlinear Spectroscopy of Solids,
        IEEE Transactions on Terahertz Science and Technology, 1, (1) 60, 301-312 (2011.09).
        DOI: 10.1109/TTHZ.2011.2159535

      • E. Abraham, Y. Ohgi, M. Minami, M. Jewariya, M. Nagai, T. Araki and T. Yasui,
        Real-time line projection for fast terahertz spectral computed tomography,
        Opt. Lett. 36, (11) 2119-2121 (2011.06).
        DOI: 10.1364/OL.36.002119

      • H. A. Nguyen, K. Miyajima, T. Itoh, T.C. Dao, T.A. Cao, T.Q.N. Luong and M. Ashida,
        The effect of the etching process on the morphology and photoluminescence of porous amorphous SiC,
        Advances in Natural Sciences: Nanoscience and Nanotechnology, 2, (2) 025009 (1-5) (2011.06).
        DOI: 10.1088/2043-6262/2/2/025009

    2010年度


      • M. Ichimiya, K. Mochizuki, M. Ashida, H. Yasuda, H. Ishihara and T. Itoh,
        Efficient radiative recombination of multinode-type excitons up to room temperature in CuCl thin films,
        J. Luminescence, 131, 498-501 (2011.03).
        DOI: 10.1016/j.jlumin.2010.09.009

      • M. Ichimiya, K. Mochizuki, M. Ashida, H. Yasuda, H. Ishihara and T. Itoh,
        Room temperature degenerate four-wave mixing in CuCl thin films,
        Phys. Status Solidi B, 248, 456-459 (2011.02).
        DOI: 10.1002/pssb.201000813

      • K. Miyajima, K. Maeno, S. Saito, M. Ashida and T. Itoh,
        Biexcitonic superfluorescence from CuCl quantum dots under resonant two-photon excitation,
        Phys. Status Solidi C, 8, (1) 209-212 (2011.01).
        DOI: 10.1002/pssc.201000668

      • 一宮正義, 望月敬, 芦田昌明, 保田英樹, 石原 一, 伊藤 正,
        ナノからバルクへのクロスオーバー領域における励起子超放射,
        ナノ学会, ナノ学会会報, 9, (1) 29-32 (2010.10).

      • I. Katayama, R. Akai, M. Bito, H. Shimosato, K. Miyamoto, H. Ito and M. Ashida,
        Ultrabroadband terahertz generation using 4-N,N-dimethylamino-4'-N'-methyl-stilbazolium tosylate single crystals,
        Appl. Phys. Lett. 97, 021105-021107 (2010.07).
        "Virtual Journal of Ultrafast Science, 9, (8) (2010)"に採択
        DOI: 10.1063/1.3463452

      • M. Ashida, M. Ichimiya, K. Mochizuki, H. Yasuda, H. Ishihara and T. Itoh,
        Coherent Nonlinear Response Surviving at Room Temperature Caused by Ultrafast Radiative Decay of Confined Excitons,
        Ultrafast Phenomena XVII, Proceedings of the 17th International Conference, (Oxford University Press), (2010.07).
        DOI: 10.1364/UP.2010.ThE43

      • 片山 郁文, 芦田 昌明,
        広帯域テラヘルツ分光法とその薄膜評価への応用,
        Journal of the Vacuum Society of Japan, 53, (5) 301-308 (2010.06).
        DOI: 10.3131/jvsj2.53.301

    2009年度


      • M. Ichimiya, M. Ashida, H. Yasuda, H. Ishihara and T. Itoh,
        Observation of Superradiance by Nonlocal Wave Coupling of Light and Excitons in CuCl Thin Films,
        Phys. Rev. Lett. 103, 257401, (2009.12).
        DOI: 10.1103/PhysRevLett.103.257401
        "Virtual Journal of Ultrafast Science, 9, (1) (2010)"に採択
        "Laser Focus World Japan 2010年1月号 " World News 欄にて紹介記事

      • K. Miyajima, S. Saito, M. Ashida and T. Itoh,
        Superfluorescent pulsed emission from biexcitons in an ensemble of CuCl quantum dots,
        Materials Research Society Symposium Proceedings, 1208, 2010, 154-159, (2009.11).
        DOI: 10.1557/PROC-1208-O09-21

      • M. Ashida, R. Akai, H. Shimosato, I. Katayama, K. Miyamoto, and H. Ito,
        Electric Field Detection of Near-Infrared Light Using Photoconductive Sampling,
        Ultrafast Phenomena XVI (Springer Series in Chemical Physics), 92, 979-981 (2009.07).
        DOI: 10.1007/978-3-540-95946-5_317

      • K. Miyajima, Y. Kagotani, S. Saito, M. Ashida and T. Itoh,
        Superfluorescent pulsed emission from biexcitons in an ensemble of semiconductor quantum dots,
        J. Phys. Condens. Matter, 21, (19) 195802 (1-6) (2009.05).
        DOI: 10.1088/0953-8984/21/19/195802

    2008年度


      • K. Miyajima, Y. Umemura, K. Katayama, M. Ashida and T. Itoh,
        Magnetic-field induced mixing of singlet and triplet excitons confined in CuCl quantum dots,
        Phys. Status Solidi C, 6, (1) 53-56 (2009.01).
        DOI: 10.1002/pssc.200879872

      • K. Inaba, T. Saito,Y. Saito, M. Ichimiya, M. Ashida, S. Ichikawa, S. Takeda and T. Itoh,
        Optical fabrication of wide-gap semiconductor nanoparticles in seperfluid helium,
        Phys. Status Solidi C, 6, (1) 217-220 (2009.01).
        DOI: 10.1002/pssc.200879831

      • K. Katayama, K. Miyajima, M. Ashida and T. Itoh,
        Polarization memory effect on nonlinear photoluminescence of semimagnetic semiconductor Cd0.8Mn0.2Te,
        Phys. Status Solidi C, 6, (1) 34-37 (2009.01).
        DOI: 10.1002/pssc.200879848

      • T. Yoshioka, K. Miyajima, M. Ashida and T. Itoh,
        Infrared transient absorption spectra for excited transition of excitons and biexcitons in CuCl,
        Phys. Status Solidi C, 6, (1) 296-299 (2009.01).
        DOI: 10.1002/pssc.200879905

      • M. Ashida
        Ultra-broadband Terahertz Wave Detection Using Photoconductive antenna,
        Jpn. J. Appl. Phys. 47, (10) 8221-8225 (2008.10).
        DOI: 10.1143/JJAP.47.8221

        　　　　　　　
      • I. Katayama, H. Shimosato, D. S. Rana, I. Kawayama, M. Tonouchi and M. Ashida,
        Hardening of the ferroelectric soft mode in SrTiO3 thin films,
        Appl. Phys. Lett. 93, (13) 132903 (1-3) (2008.9).
        DOI: 10.1063/1.2991442

      • M. Ichimiya, M. Ashida, H. Yasuda, H. Ishihara and T. Itoh,
        Femtosecond-class radiative decay of multinode-type excitons in nano-to-bulk crossover regime,
        J. Luminescence, 128, (5-6) 1062-1064 (2008.05).
        DOI: 10.1016/j.jlumin.2007.11.001

      • H. Yasuda, M. Ichimiya, M. Ashida, T. Itoh and H. Ishihara,
        Real-time analysis of nonlinear transient response of weakly confined excitons,
        J. Luminescence, 128, (5-6) 814-817 (2008.05).
        DOI: 10.1016/j.jlumin.2007.11.016

      • K. Katayama, K. Miyajima, M. Ashida and T. Itoh,
        Oscillatory Structures Originating from the Faraday Rotation of a New Nonlinear Photoluminescence Band of Co0.8Mn0.2Te ,
        J. Korean Physical Society, 52, (5) 1558-1561 (2008.05).

    2007年度


      • I. Katayama, H. Shimosato, M. Ashida, I. Kawayama, M. Tonouchi and T. Itoh,
        Thickness dependence of the soft ferroelectric mode in SrTiO3 thin films deposited on MgO,
        J. Luminescence, 128, 998-1000 (2008.01).
        DOI: 10.1016/j.jlumin.2007.12.026

      • H. Shimosato, M. Ashida, T. Itoh, S. Saito and K. Sakai,
        Ultrabroadband Detection of Terahertz Radiation from 0.1 to 100 THz with Photoconductive Antenna,
        Ultrafast Optics V, Springer Series in Optical Sciences, 132, 317-323 (2007).
        DOI: 10.1007/978-0-387-49119-6_41

      • K. Miyajima, M. Ashida and T. Itoh,
        Quantum confined Biexcitons in CuCl quantum dots and their unconventional optical properties,
        J. Phys. Condens. Matter, 19 (44) 445006 (1-21) (2007.11).
        DOI: 10.1088/0953-8984/19/44/445006

      • K. Miyajima, M. Ashida and T. Itoh,
        Size-selective excitation of biexcitons in CuCl quantum dots un-der two-photon resonant excitation,
        Phys. Status Solidi B, 244, (9) 3297-3302 (2007.09).
        DOI: 10.1002/pssb.200642588

    2006年度


      • M. Ashida, K. Inaba and T. Itoh,
        Optical manipulation of semiconductor quantum dots in superfluid helium,
        SPIE Proceedings, 6468, Photonics with Single-Quantum-Dot Devices XV, (2007.03).
        DOI: 10.1117/12.717243

      • H. Minami, M. Kusunoki, M. Minamiguchi, M. Ichimiya, M. Ashida and T. Itoh,
        Modification of photonic band structure in an ordered polystyrene particle layer by controlling interparticle light-mode interaction,
        J. Luminescence, 122-123, 747-749, (2007.01-04).
        DOI: 10.1016/j.jlumin.2006.01.277

      • K. Inaba, K. Imaizumi, K. Katayama, M. Ichimiya, M. Ashida, T. Iida, H. Ishihara and T. Itoh,
        Optical manipulation of CuCl nanoparticles under an excitonic resonance condition in superfluid helium,
        Phys. Status Solidi B, 243, (14) 3829-3833, *Editor's Choice (2006.11).
        DOI: 10.1002/pssb.200672125

      • Y. Sawada, M. Ichimiya, M. Ashida, S. Shimomura, S. Hiyamizu and T. Itoh,
        Cathodoluminescence properties of GaAs/AlGaAs pyramidal cap structures with high spatical resolution,
        Phys. Status Solidi C, 3, (10) 3553-3556, (2006.11).
        DOI: 10.1002/pssc.200672150

      • H. Shimosato, T. Katashima, S. Saito, M. Ashida, T. Itoh and K. Sakai,
        Ultrabroadband THz spectroscopy using rapid scanning method,
        Phys. Status Solidi C, 3, 10, 3484-3487, (2006.11).
        DOI: 10.1002/pssc.200672154

      • K. Inaba, K. Imaizumi, K. Katayama, M. Ichimiya, M. Ashida, T. Iida, H. Ishihara and T. Itoh,
        Optical manipulation of CuCl nanoparticles under an excitonic resonance condition in superfluid helium,
        Phys. Status Solidi B, 243, (14) 3829-3833, (2006.11).
        DOI: 10.1002/pssc.200672125

      • M. Ichimiya, M. Ashida, H. Yasuda, H. Ishihara and T. Itoh,
        Ultrafast degenerate four-wave mixing in CuCl ultrathin films,
        Phys. Status Solidi B, 243, (14) 3800-3805, (2006.11).
        DOI: 10.1002/pssb.200672122

      • K. Katayama, K. Miyajima, M. Ashida and T. Itoh,
        High-density selective excitation effect on excitons in semimagnetic semiconductor CdMnTe,
        Phys. Status Solidi B, 243, (14) 3806-3811, (2006.11).
        DOI: 10.1002/pssb.200672133

      • K. Miyajima, Y. Kagotani, S. Saito, M. Ashida and T. Itoh,
        Ultrafast emission under two-photon excitation of biexcitons in CuCl quantum dots,
        Phys. Status Solidi B, 243, (14) 3795-3799, (2006.11).
        DOI: 10.1002/pssb.200672142

      • Y. Kagotani, K. Miyajima, S. Saito, M. Ashida and T. Itoh,
        Temporal behavior of biexciton luminescence under two-photon excitaiton in CuCl quantum dots,
        J. Luminescence, 119-120, Spec Iss. 33-37 (2006.07-10).
        DOI: 10.1016/j.jlumin.2005.12.008

    2005年度


      • M. Ichimiya, Y. Sawada, M. Ashida and T. Itoh,
        Free exciton luminescence of ZnO:Zn microcrystals under electron beam excitation,
        Phys. Status Solidi C, 3, (4) 1189-1192 (2006.03).
        DOI: 10.1002/pssc.200564702

      • M. Ichimiya, T. Horii, T. Hirai, Y. Sawada, M. Minamiguchi, N. Ohno, M. Ashida and T. Itoh,
        Nano-scale distribution of ZnO free exciton luminescence in ZnO:Zn microcrystals, and its modification under electron beam excitation,
        J. Phys. Condens. Matter, 18, (6) 1967-1975 (2006.02).
        DOI: 10.1088/0953-8984/18/6/012

      • 芦田昌明
        「物理科学，この１年」　光科学
        パリティ 21, (01) 15-17 (2006.01)

      • 芦田昌明
        「連載 光物性の基礎と応用　第15回　物質・現象・新技術（３）強相関電子系」
        OPTRONICS, 24, 280 (2005.08).

      • Y. Kagotani, K. Miyajima, G. Oohata, S. Saito, M. Ashida, K. Edamatsu and T. Itoh,
        Two-photon absorption and lasing due to biexciton in CuCl quantum dots,
        J. Luminescence, 112, (1) 113-116 (2005.04).
        DOI: 10.1016/j.jlumin.2004.09.007

    2004年度

      • G. Oohata, Y. Kagotani, K. Miyajima, M. Ashida, S. Saito, K. Edamatsu and T. Itoh,
        Stable Biexcitonic Lasing of CuCl Quantum Dots Under Two-Photon Resonant Excitation,
        Physica E, 26, (1-4) 347-350 (2005.02).
        DOI: 10.1016/j.physe.2004.08.074
      • K. Miyajima, G. Oohata, Y. Kagotani, M. Ashida, K. Edamatsu and T. Itoh,
        Two-Photon Excitation of Confined Biexcitons in CuCl Quantum Dots,
        Physica E, 26, (1-4) 33-36 (2005.02).
        DOI: 10.1016/j.physe.2004.08.018