Papers

Papers of FY2024

1. Dongxun Yang and Masayoshi Tonouchi, “ Quantifying Flat-Band Voltage in Si Metal-Oxide-Semiconductor Structures: An Evaluation via Terahertz Emission Spectroscopy (TES)”, International Journal of High Speed Electronics and Systems, (2024-4) ; https://doi.org/10.1142/S0129156424400184

2.Yaheng Wang,Jie Su,Hironaru Murakami,Masayoshi Tonouchi,"PointNet + + Based Concealed Object Classification Utilizing an FMCW Millimeter-Wave Radar",Journal of Infrared, Millimeter, and Terahertz Waves,(2024-10);https://doi.org/10.1007/s10762-024-01017-5

Papers of FY2023

1. Alfred Leitenstorfer, Andrey S Moskalenko, Tobias Kampfrath, Junichiro Kono, Enrique Castro-Camus, Kun Peng, Naser Qureshi, Dmitry Turchinovich, Koichiro Tanaka, Andrea Markelz, Martina Havenith, Cameron Hough, Hannah J Joyce, Willie Padilla, Binbin Zhou, Ki-Yong Kim, Xi-Cheng Zhang, Peter Uhd Jepsen, Sukhdeep Dhillon, Miriam Serena Vitiello, Edmund H Linfield, Alexander Giles Davies, Matthias Hoffmann, Roger Lewis, Masayoshi Tonouchi, Pernille Klarskov, Tom Seifert, Yaroslav Gerasimenko, Dragan D Mihailovic, Rupert Huber, Jessica Boland, Oleg Mitrofanov, Paul Dean, Brian Ellison, Peter Huggard, Simon Rea, Christopher Walker, David Leisawitz, Jian Rong Gao, Chong Li, Qin Chen, Gintaras Valusis, Vincent Patrick Wallace, Emma MacPherson, Xiaobang Shang, Jeffrey Hesler, Nick Ridler, Cyril Renaud, Ingmar Kallfass, Tadao Nagatsuma, Axel Zeitler, Don Arnone, Michael Johnston, John Cunningham, “The 2023 terahertz science and technology roadmap”, Journal of Physics D: Applied Physics, Vol.56, No.22, Pages223001(2023-4) ; https://doi.org/10.1088/1361-6463/acbe4c

2. Michael Wais, Filchito Renee G. Bagsican, Natsumi Komatsu, Weilu Gao, Kazunori Serita, Hironaru Murakami, Karsten Held, Iwao Kawayama, Junichiro Kono, Marco Battiato, and Masayoshi Tonouch, “Transition from Diffusive to Superdiffusive Transport in Carbon Nanotube Networks via Nematic Order Contro”, Nano Lett., Vol.23, No.10, Pages4448–4455(2023-5) ; doi.org/10.1016/B978-0-32-398384-6.00012-7

3. Ryota Ito, Hayato Sekiya, Iwao Kawayama, Michinori Honma, Masayoshi Tonouchi, and Toshiaki Nose, “Influence of dichroism on the optical properties of a twisted nematic liquid crystal cell in the terahertz region”, Applied Optics, Vol.62, No.15, Pages4052-4059(2023-5) ; https://doi.org/10.1364/AO.487770

4. Hiroto Honda, Soshi Umeda, Kanako Shojiki, Hideto Miyake, Shuhei Ichikawa, Jun Tatebayashi, Yasufumi Fujiwara, Kazunori Serita, Hironaru Murakami, Masayoshi Tonouchi, Masahiro Uemukai, Tomoyuki Tanikawa and Ryuji Katayama, “229 nm far-ultraviolet second harmonic generation in a vertical polarity inverted AlN bilayer channel waveguide”, Applied Physics Express, Vol.16, No.6, Pages062006(2023-6) ; 10.35848/1882-0786/acda79

5. Tomoaki Nambu, Tomohiro Nakahara, Yuma Yasuda, Yasufumi Fujiwara, Masayoshi Tonouchi, Masahiro Uemukai, Tomoyuki Tanikawa and Ryuji Katayama, “Second harmonic generation from a-plane GaN vertical monolithic microcavity pumped with femtosecond laser”, Appl. Phys. Express, Vol.16, Pages072005(2023-7) ; https://iopscience.iop.org/article/10.35848/1882-0786/ace242

6. Yaheng Wang, Jie Su, Taiga Fukuda, Masayoshi Tonouchi, Hironaru Murakami, “Precise 2D and 3D Fluoroscopic Imaging by Using an FMCW Millimeter-Wave Radar”, IEEE Access, Vol.11, Pages84027 - 84034(2023-8) ; 10.1109/ACCESS.2023.3302889

7. Keiko Kitagishi, Takayuki Kawai, Masayoshi Tonouchi, Kazunori Serita, “An Innovative Detection Technique for Capillary Electrophoresis: Localized Terahertz Emission-time Domain Spectroscopy”, Journal of Chromatography A, Pages464384(2023-11) ; https://doi.org/10.1016/j.chroma.2023.464384

8. Fumikazu Murakami, Atsushi Takeo, Brandon Mitchell, Volkmar Dierolf, Yasufumi Fujiwara, Masayoshi Tonouchi, “Enhanced luminescence efficiency in Eu-doped GaN superlattice structures revealed by terahertz emission spectroscopy”, Communications Materials, Vol.4, Pages100(2023-11) ; https://www.nature.com/articles/s43246-023-00428-6

9. Keiko Kitagishi, Takayuki Kawai, Masayoshi Tonouchi, and Kazunori Serita, “Terahertz-capillary electrophoresis (THz-CE) for direct detection of separated substances in solutions”, Optical Materials Express, Vol.14, No.2, Pages472-482(2024-1) ; https://doi.org/10.1364/OME.500594

10. Dongxun Yang, Jesse Henri Laarman, and Masayoshi Tonouchi, “Sensitive Characterization of the Graphene Transferred onto Varied Si Wafer Surfaces via Terahertz Emission Spectroscopy and Microscopy (TES/LTEM)”, Materials, Vol.17, No.7, Pages1497- 2024(2024-3) ; https://doi.org/10.3390/ma17071497

Papers of FY2022

1. H. Jiang, K. Wang,H. Murakami, M. Tonouchi, “Non-Drude-Type Response of Photocarriers in Fe-Doped β-Ga2O3 Crystal”, Photonics, Vol.9, No.4, Pages233(2022-4) ; https://doi.org/10.3390/photonics9040233

2. Toshimitsu Mochizuki, Iwao Kawayama, Masayoshi Tonouchi, Yoshihiko Nishihara, Msayuki Chikamatsu, Yuji Yoshida and Hidetaka Takato, “Instantaneous Photocarrier Transport at the Interface in Perovskite Solar Cells to Generate Photovoltage”, Photonics, Vol.9, No.5, Pages316(2022-5) ; https://doi.org/10.3390/photonics9050316

3. Fumikazu Murakami, Abdul Mannan, Kazunori Serita, Hironaru Murakami, and Masayoshi Tonouchi, “Slow optical response of semi-insulating GaN film studied by terahertz emission and photoluminescence spectroscopy”, Journal of Applied Physics, Vol.131, Pages185706(2022-5) ; https://aip.scitation.org/doi/10.1063/5.0086788

4. Kazunori Serita, Satoshi Kobatake and Masayoshi Tonouchi, “I-design terahertz microfluidic chip for attomole-level sensing”, Journal of Physics: Photonics, Vol.4, No.3, Pages034005(2022-6) ; https://doi.org/10.1088/2515-7647/ac691d

5. Ke Wang, Kazunori Serita, Hironaru Murakami, Masayoshi Tonouch, “Temperature Dependence of Anisotropic Complex Conductivity of β-Ga2O3”, Journal of Infrared, Millimeter, and Terahertz Waves, (2022-8) ; https://doi.org/10.1007/s10762-022-00868-0

6. Naoki Yokoyama, Yoshiki Morioka, Tomotaka Murata, Hiroto Honda, Kazunori Serita, Hironaru Murakami, Masayoshi Tonouchi, Shigeki Tokita, Shuhei Ichikawa, Yasufumi Fujiwara, Toshiki Hikosaka, Masahiro Uemukai, Tomoyuki Tanikawa, Ryuji Katayama, “Second harmonic generation in GaN transverse quasi-phase-matched waveguide pumped with femtosecond laser”, Applied Physics Express, Vol.15, Pages112002(2022-10) ; https://iopscience.iop.org/article/10.35848/1882-0786/ac9511/meta

7. Dongxun Yang, Abdul Mannan, Fumikazu Murakami & Masayoshi Tonouchi, “Rapid, noncontact, sensitive, and semiquantitative characterization of buffered hydrogen-fluoride-treated silicon wafer surfaces by terahertz emission spectroscopy”, Light: Science & Applications, Vol.11, Pages334(2022-11) ; https://www.nature.com/articles/s41377-022-01033-x

8. Yaheng Wang, Li Yi, Masayoshi Tonouchi, Tadao Nagatsuma , “High-Speed 600 GHz-Band Terahertz Imaging Scanner System with Enhanced Focal Depth”, Photonics 2022, Vol.9, No.12, Pages213(2022-11) ; https://www.mdpi.com/2304-6732/9/12/913

9. Hao Jiang, Ke Wang, Chen Gong, Hironaru Murakami and Masayoshi Tonouchi, “TO1 soft mode in Fe doped β-Ga2O3 studied by terahertz time-domain spectroscopy”, Japanese Journal of Applied Physics, Vol.62, No.1, Pages018003(2023-1) ; https://doi.org/10.35848/1347-4065/acae52

10. Dongxun Yang, Fumikazu Murakami, Shingo Genchi, Hidekazu Tanaka, and Masayoshi Tonouchi, “Noncontact evaluation of the interface potential in VO2/Si heterojunctions across metal–insulator phase transition”, Applied Physics Letters, Vol.122, No.4, Pages041601(2023-1) ; https://doi.org/10.1063/5.0136610

11. F. Murakami, K. Serita, I. Kawayama, H. Murakami, K. Bandopadhyay, A. Materna, A. M. Urbas, D. A. Pawlak, M. Tonouchi, “Probing photocarrier dynamics in a Bi2Te3?Te eutectic p?n junction with a laser terahertz emission microscope”, APL Materials, Vol.11, No.3, Pages031102(2023-3) ; https://doi.org/10.1063/5.0137862

Papers of FY2021

1. Jiangpeng Dong, Kazunori Serita, Fumikazu Murakami, Iwao Kawayama, Han Sun, Binbin Zhang, Masayoshi Tonouchi, Wanqi Jie, Yadong Xu, “Laser terahertz emission microscopy revealing the local fluctuation of terahertz generation induced by Te inclusion”, Appl. Phys. Letters, Vol.118, Pages131113(2021-4) ; https://doi.org/10.1063/5.0045266

2. Kosuke Okada, Quentin Cassar, Hironaru Murakami, Gaëtan MacGrogan, Jean-Paul Guillet, Patrick Mounaix, Masayoshi Tonouchi, and Kazunori Serita, “Label-Free Observation of Micrometric Inhomogeneity of Human Breast Cancer Cell Density Using Terahertz Near-Field Microscopy”, Photonics, Vol.8, No.5, Pages151(2021-5) ; 10.3390/photonics8050151

3. A. Chaudhuri, R. Rakshit, K. Serita, M. Tonouchi and K. Mandal, “Electromagnetic Response of SiO₂@Fe₃O₄ Core–Shell Nanostructures in the THz Regime”, IEEE Transactions on Magnetics, Vol.57, No.5, Pages1-6(2021-5) ; 10.1109/TMAG.2021.3056575

4. Abdul Mannan, Filchito Renee G. Bagsican, Kota Yamahara, Iwao Kawayama, Hironaru Murakami, Heiko Bremers, Uwe Rossow, Andreas Hangleiter, Dmitry Turchinovich, and Masayoshi Tonouchi, “Ultrafast Terahertz Nanoseismology of GaInN/GaN Multiple Quantum Wells”, Advanced Optical Materials, Pages2100258(2021-5) ; https://doi.org/10.1002/adom.202100258

5. Tomoaki Nambu, Takumi Nagata, Soshi Umeda, Keishi Shiomi, Yasufumi Fujiwara, Toshiki Hikosaka, Abdul Mannan, Filchito Renee G Bagsican, Kazunori Serita, Iwao Kawayama, Masayoshi Tonouchi, Masahiro Uemukai, Tomoyuki Tanikawa, and Ryuji Katayama, “Monolithic microcavity second harmonic generation device using low birefringence paraelectric material without polarity-inverted structure”, Applied Physics Express, Vol.14, No.6, Pages61004(2021-5) ; https://doi.org/10.35848/1882-0786/abff9e

6. Chen Gong, Takahiro Teramoto, and Masayoshi Tonouch, “Observation of the Terahertz Pulse Shaping Due to Intensity-Induced Additional Phase in Two-Color Filaments”, Journal of Infrared, Millimeter, and Terahertz Waves, (2021-6) ; https://doi.org/10.1007/s10762-021-00797-4

7. Abdul Mannan, Kota Yamahara, Filchito Renee G. Bagsican, Kazunori Serita, , Hironaru Murakami, Iwao Kawayama, Masataka Higashiwaki, and Masayoshi Tonouchi, “Terahertz emission spectroscopy of GaN-based heterostructures”, Journal of Applied Physics, Vol.129, Pages245702(2021-6) ; https://doi.org/10.1063/5.0047402

8. Dongxun Yang and Masayoshi Tonouchi, “Understanding terahertz emission properties from a metal–insulator–semiconductor structure upon femtosecond laser illumination”, Journal of Applied Physics, Vol.130, Pages055701(2021-8) ; https://doi.org/10.1063/5.0055671

9. Hidetoshi Nakanishi, Tatsuhiko Nishimura, Iwao Kawayama, Masayoshi Tonouchi, Takuji Hosoi, Takayoshi Shimura, and Heiji Watanabe, “Probing the surface potential of SiO2/4H-SiC(0001) by terahertz emission spectroscopy”, Journal of Applied Physics , Vol.130, Pages115305(2021-9) ; https://doi.org/10.1063/5.0055671

10. Abdul Mannan, Ryotaro Inoue, Fumikazu Murakami, Kazunori Serita, Hironaru Murakami, and Masayoshi Tonouchi, “A better understanding of terahertz emission from semiconductor surfaces with a phased-array effect”, AIP Advances, Vol.11, Pages125021(2021-12) ; https://doi.org/10.1063/5.0077054

11. Kosuke Okada, Quentin Cassar, Hironaru Murakami, Gaëtan MacGrogan, Jean-Paul Guillet, Patrick Mounaix, Masayoshi Tonouchi, and Kazunori Serita, “Scanning point terahertz source microscopy of unstained comedo ductal carcinoma in situ”, Optics Continuum, Vol.1, No.3, Pages527-837(2022-3) ; https://doi.org/10.1364/osac.448444

Papers of FY2020

1. Kristof J.P. Jacobs, Hironaru Murakami, Fumikazu Murakami, Kazunori Serita, Eric Beyne, Masayoshi Tonouchi, “Characterisation of through-silicon vias using laser terahertz emission microscopy”, Nature Electronics, Vol.4, Pages202–207(2021-3)

2. Chen Gong, Iwao Kawayama, Hironaru Murakami, Takahiro Teramoto & Masayoshi Tonouchi, “Intensity-dependent self-induced dual-color laser phase modulation and its effect on terahertz generation”, Scientific Reports, Vol.11, Pages498(2021-1)

3. Can Cao, Kazunori Serita, Keiko Kitagishi, Hironaru Murakami, Zhao-Hui Zhang, and Masayoshi Tonouchi, “Terahertz Spectroscopy Tracks Proteolysis by a Joint Analysis of Absorptance and Debye Model”, Biophysical Journal, Vol.119, No.12, Pages2469-2482(2020-12)

4. Kosuke Okada, Kazunori Serita, Quentin Cassar, Hironaru Murakami, Gaëtan MacGrogan, Jean-Paul Guillet, Patrick Mounaix, Masayoshi Tonouchi, “Terahertz near-field microscopy of ductal carcinoma in situ (DCIS) of the breast”, Journal of Physics: Photonics, Vol.2, No.4, Pages044008 - 044008(2020-10)

5. Hao Jiang, Chen Gong, Tatsuhiko Nishimura, Hironaru Murakami, Iwao Kawayama, Hidetoshi Nakanishi and Masayoshi Tonouchi, “Terahertz Emission Spectroscopy and Microscopy on Ultrawide Bandgap Semiconductor -Ga2O3”, Photonics, Vol.7, No.3, Pages73(2020-9)

6. K.Yamahara, A. Mannan, I. Kawayama, H. Nakanishi,M. Tonouchi, “Ultrafast Spatiotemporal Photocarrier Dynamics near GaN Surfaces Studied by Terahertz Emission Spectroscopy”, Scientific Reports, Vol.10, Pages14633(2020-9)

7. Hironaru Murakami, Tomoya Takarada, and Masayoshi Tonouchi, “Low-temperature GaAs-based plasmonic photoconductive terahertz detector with Au nano-islands”, Photonics Research, Vol.8, 9, Pages1448-1456(2020-8)

8. M. Tonouchi, “Simplified formulas for the generation of terahertz waves from semiconductor surfaces excited with a femtosecond laser”, Journal of Applied Physics, Vol.127, Pages245703(2020-6)

9. Filchito Renee G. Bagsican, Michael Wais, Natsumi Komatsu, Weilu Gao, Lincoln W. Weber, Kazunori Serita, Hironaru Murakami, Karsten Held, Frank A. Hegmann, Masayoshi Tonouchi, Junichiro Kono, Iwao Kawayama, Marco Battiato, “Terahertz Excitonics in Carbon Nanotubes: Exciton Autoionization and Multiplication”, Nano Lett. 2020, Vol.20, 5, Pages3098–3105(2020-5)

Papers of FY2019

1. D.S.Rana, M.Tonouchi, “Terahertz Emission Functionality of High Temperature Superconductors and Similar Complex Systems(Invited Review)”, Advanced Optical Materials , Vol.8 , Issue3 , Pages1900892(2020-2)

2. Kadakuntla Santhosh Kumar, Gulloo Lal Prajapati, Rahul Dagar, Megha Vagadia, Dhanvir Singh Rana, Masayoshi Tonouchi, “Terahertz Electro-dynamics in Transition Metal Oxides (Invited Review)”, Advanced Optical Materials , Vol.8 , Issue3 , Pages1900958(2020-2)

3. Kosuke Okada, Kazunori Serita, Zirui Zang, Hironaru Murakami, Iwao Kawayama, Quentin Cassar, Gaëtan Macgrogan, Jean Paul Guillet, Patrick Mounaix and Masayoshi Tonouchi, “Scanning laser terahertz near-field reflection imaging system”, Applied Physics Express , Vol.12 , No.12 , Pages122005(2019-10)

4. Annick Dégardin; Vishal Jagtap; Manjakavahoaka Razanoelina; Xavier Galiano; Masayoshi Tonouchi; Alain Kreisler, “Y-Ba-Cu-O semiconducting pyroelectric thermal sensors: design and test of near-infrared amorphous thin film detectors and extension to antenna-coupled THz devices ”, SPIE Security + Defence , Vol.11164 , (2019-10)

5. T. Mochizuki, A. Ito, H. Nakanishi, K. Tanahashi, I. Kawayama, M. Tonouchi, K. Shirasawa, and H. Takato, “Noncontact evaluation of electrical passivation of oxidized silicon using laser terahertz emission microscope and corona charging”, Journal of Applied Physics , Vol.125 , No.151615 , (2019-4)

6. Hironaru Murakami, Kenta Mizui, and Masayoshi Tonouchi, “High-sensitivity photoconductive detectors with wide dipole electrodes for low frequency THz wave detection”, Journal of Applied Physics , Vol.125 , No.15 , (2019-4)

7. H. Mukuda, M. Yashima, T. Matsumura, S. Maki, Y. Kitaoka, K. Miyake , H. Murakami, P. Giraldo-Gallo, T. H. Geballe, I. R. Fisher, “125Te-NMR Study in Novel Superconductor Pb1?xTlxTe with Valence Skipping Dopants”, Journal of Superconductivity and Novel Magnetism , Vol.32 , Pages1629-1632(2019-4)

Papers of FY2018

1. Kazunori Serita, Hironaru Murakami, Iwao Kawayama and Masayoshi Tonouchi, “A Terahertz-Microfluidic Chip with a Few Arrays of Asymmetric Meta-Atoms for the Ultra-Trace Sensing of Solutions”, Photonics , Vol.6(1) , No.12 , (2019-1)

2. Yuri Avetisyan and Masayoshi Tonouchi, “Nearly Single-Cycle Terahertz Pulse Generation in Aperiodically Poled Lithium Niobate”, Photonics , Vol.6(1) , No.9 , (2019-1)

3. Yasushi Hotta, Iwao Kawayama, Shozo Miyake, Ikuya Saiki, Shintaro Nishi, Kota Yamahara, Koji Arafune, Haruhiko Yoshida, Shin-ichi Satoh, Naomi Sawamoto, Atsushi Ogura, Akira Ito, Hidetoshi Nakanishi, Masayoshi Tonouchi, Hitoshi Tabata, “Control of dipole properties in high-k and SiO2 stacks on Si substrates with tricolor superstructure”, Applied Physics Letters , Vol.113 , No.1 , Pages12103(2018-7)

Papers of FY2017

1. K. Serita, E. Matsuda, K. Okada, I. Kawayama. H. Murakami, and M. Tonouchi, “Terahertz microfluidic chips sensitivity-enhanced with a few arrays of meta-atoms”, APL Photonics , Vol.3 , No.5 , Pages51603(2018-2)

2. Y. Avetisyan, A. Makaryan, V. Tadevosyan, M. Tonouchi, “Design of a Multistep Phase Mask for High-Energy Terahertz Pulse Generation by Optical Rectification”, J Infrared Milli Terahz Waves , Vol.38 , Pages1439–1447(2017-8)

3. Manjakavahoaka Razanoelina, Shohei Ohashi, Iwao Kawayama, Hironaru Murakami, Annick F. Dégardin, Alain J. Kreisler, Masayoshi Tonouchi, “Measurable lower limit of thin film conductivity with parallel plate waveguide terahertz time domain spectroscopy”, Optics Letters , Vol.42 , No.15 , Pages3056-3059(2017-8)

4. S Sasa, Y Kinoshita, M Tatsumi, M Koyama, T Maemoto, S Hamauchi, I Kawayama, M Tonouchi, “Study for Enhancement of Terahertz Radiation Using GaSb/InAs Heterostructures”, Journal of Physics: Conference Series , Vol.906 , Pages12015(2017-7)

5. Kazunori Serita, Juraj Darmo, Iwao Kawayama, Hironaru Murakami, Masayoshi Tonouchi , “Direct Measurements of Terahertz Meta-atoms with Near-Field Emission of Terahertz Waves”, Journal of Infrared, Millimeter, and Terahertz Waves , Pages1-13(2017-7)

6. Caihong Zhang, Jingbo Wu, Biaobing Jin, Xiaoqing Jia, Lin Kang, Weiwei Xu, Huabing Wang, Jian Chen, Masoyoshi Tonouchi, and Peiheng Wu, “Tunable electromagnetically induced transparency from a superconducting terahertz metamaterial”, Appl. Phys. Lett. , Vol.110 , No.24 , Pages241105(2017-6)

7. Filchito Renee Bagsican, Andrew Winchester, Sujoy Ghosh, Xiang Zhang, Lulu Ma§, Minjie Wang, Hironaru Murakami, Saikat Talapatra, Robert Vajtai, Pulickel M. Ajayan, Junichiro Kono, Masayoshi Tonouchi, Iwao Kawayama, “Adsorption energy of oxygen molecules on graphene and two-dimensional tungsten disulfide”, Scientific Reports , Vol.7 , No.1774 , (2017-5)

8. Toshimitsu Mochizuki, Akira Ito, Jonathon Mitchell, Hidetoshi Nakanishi, Katsuto Tanahashi, Iwao Kawayama, Masayoshi Tonouchi, Katsuhiko Shirasawa, Hidetaka Takato, “Probing the surface potential of oxidized silicon by assessing terahertz emission”, Applied Physics Letters , Vol.110 , No.16 , Pages163502(2017-4)

9. Yuji Sakai, Iwao Kawayama, Hidetoshi Nakanishi, Masayoshi Tonouchi, “Polarization imaging of imperfect m-plane GaN surfaces”, APL Photonics , Vol.2 , No.4 , (2017-4)

Papers of FY2016

1. Rupali Rakshit, Kazunori Serita, Masayoshi Tonouchi and Kalyan Mandal, “THz conductivity of semi-insulating and magnetic CoFe2O4 nanohollow structures through thermally activated polaron”, Journal of Applied Physics , Vol.120 , No.20 , Pages203901(1-11) , 2016-11

2. Alexander Grib, Paul Seidel and Masayoshi Tonouchi, “Zero-field steps and coherent emission of externally heated long Josephson junctions”, Supercond. Sci. Technol. , Vol.30 , Pages014004(5pp) , 2016-11

3. Filchito Renee Bagsican, Xiang Zhang, Lulu Ma, Minjie Wang, Hironaru Murakami, Robert Vajtai, Pulickel M. Ajayan, Junichiro Kono, Masayoshi Tonouchi, Iwao Kawayama, “Effect of Oxygen Adsorbates on Terahertz Emission Properties of Various Semiconductor Surfaces Covered with Graphene”, Journal of Infrared, Millimeter, and Terahertz Waves , Pages1-9 , 2016-7

4 .Hironaru Murakami, Shogo Fujiwara, Iwao Kawayama, and Masayoshi Tonouchi , “Study of photoexcited-carrier dynamics in GaAs photoconductive switches using dynamic terahertz emission microscopy ”, Photonics Research , Vol.4 , No.3 , PagesA9-A15 , 2016-5

5. Nakanishi H, Ito A, Takayama K, Kawayama I, Murakami H, Tonouchi M, “Visualization of Photoexcited Carrier Responses in a Solar Cell Using Optical Pump-Terahertz Emission Probe Technique”, Journal of Infrared, Millimeter, and Terahertz Waves , Vol.37 , No.5 , Pages498-506 , 2016-5

6. Rupali Rakshit, Monalisa Pal, Kazunori Serita, Arka Chaudhuri, Masayoshi Tonouchi, and Kalyan Mandal, “Evaluation of SiO2@CoFe2O4 nano-hollow spheres through THz pulses”, AIP Conference Proceedings , Vol.1728 , Pages20084 , 20165

7. M. Razanoelina, F.R. Bagsican, I. Kawayama, X. Zhang, Lulu Ma, H. Murakami, R. Vajtai, P. M. Ajayan, J. Kono, D. M. Mittleman, M. Tonouchi, “Parallel plate waveguide time domain spectroscopy to study terahertz conductivity of utltrathin materials”, Advanced Applications in Industry and Defense , Vol.Proc. SPIE 9856 , Pages985605 , 2016-4

Papers of FY2015

1. Manjakavahoaka Razanoelina, Kazunori Serita, Eiki Matsuda, Iwao Kawayama, Hironaru Murakami and Masayoshi Tonouchi, “Magnetic resonance of terahertz metamaterials in parallel plate waveguides”, Applied Physics Express , Vol.9 , No.3 , pp.032002 , 2016-2

2. Manjakavahoaka. Razanoelina, Filchito Renee Bagsican, Iwao Kawayama, Xiang Zhang, Lulu Ma, Hironaru Murakami, Robert Vajtai, Pulickel M. Ajayan, Junichiro Kono, and Masayoshi Tonouchi, “Probing low-density carriers in a single atomic layer using terahertz parallel-plate waveguides ”, Optics Express , Vol.24 , No.4 , pp.3885-3893 , 2016-2

3. H. Nakanishi, A. Ito, K. Takayama, I. Kawayama, H. Murakami, M. Tonouchi, “Visualization of Photoexcited Carrier Responses in a Solar Cell Using Optical Pump—Terahertz Emission Probe Technique”, Journal of Infrared, Millimeter, and Terahertz waves , pp.1-9 , 2015-12

4. M Razanoelina, R. Kinjo, K. Takayama, I. Kawayama, H. Murakami, D. Mittleman, M. Tonouchi, “Parallel-Plate Waveguide Terahertz Time Domain Spectroscopy for Ultrathin Conductive Films”, Journal of Infrared, Millimeter, and Terahertz Waves , Vol.36 , No.12 , pp.1182-1194 , 2015-12

5. S. Roy, K. Serita, I. Kawayama, H. Murakami, Y. Avetisyan, M. Tonouchi, “Characterization of Teahertz Imagers Using a Narrowband Time-Domain Terahertz adiation and Detection System”, IEICE TRANSACTIONS on Electronics , Vol.E98-C , No.12 , pp.1128-1130 , 2015-12

6. Hidetoshi Nakanishi, Akira Ito, Kazuhisa Takayama, Iwao Kawayama, Hironaru Murakami, Masayoshi Tonouchi, “Comparison between laser terahertz emission microscope and conventional methods for analysis of polycrystalline silicon solar cell”, AIP Advances , Vol.5 , pp.117129-1-8 , 2015-11

7. Jingbo Wu, Xin Zhang, Biao Jin, Haitao Liu, Yuhui Chen, Zhi-Yuan Li, Caihong Zhang, Lin Kang, Weiwei Xu, Jian Chen, Huabing Wang, Masayoshi Tonouchi, Peiheng Wu, “The dynamic process and microscopic mechanism of extraordinary terahertz transmission through perforated superconducting films”, Scientific Reports , Vol.5 , pp.15588 , 2015-10

8. Yuji Sakai, Iwao Kawayama, Hidetoshi Nakanishi, Masayoshi Tonouchi, “Visualization of GaN surface potential using terahertz emission enhanced by local defects”, Scientific Reports , Vol.5 , pp.13860 , 2015-9

9. Rupali Rakshit, Debasish Sarkar, Monalisa Pal, Kazunori Serite, Masayoshi Tonouchi, Kalyan Mandal, “Acoustic vibration induced high electromagnetic responses of Fe3O4 nano-hollow spheres in the THz regime”, Journal of Physics D: Applied Physics , Vol.48 , No.24 , pp.245301 , 2015-6

10. M. Kozub, K. Nishisaka, T. Maemoto, S. Sasa, K. Takayama, M. Tonouchi “Reflection Layer Mediated Enhancement of Terahertz Radiation Utilizing Heavily-Doped InAs Thin Films” J. Infrared Milli. Terahz Waves , Vol.36 , No.5 , pp.423-429 , 2015-5

11. Bagsican Filchito Renee, Gonzales Jofferson, Zhang Xiang, Ma. Lulu, Kawayama Iwao, Murakami Hironaru, Vajtai Robert, Ajayan Pulickel, Kono Junichiro, Tonouchi Masayoshi, “Laser Terahertz Emission Spectroscopy of Graphene/InAs Junctions”, MRS Proceedings , Vol.1808 , pp.mrss15-2128096 , 2015-4

Papers of FY2014

1. M Kozub, K Nishisaka, T Maemoto, S Sasa, K Takayama, M Tonouchi, “Reflection Layer Mediated Enhancement of Terahertz Radiation Utilizing Heavily-Doped InAs Thin Films”, Journal of Infrared, Millimeter, and Terahertz Waves , Pages1-7 , 2015-2

2. Claus Grupen, Giovanni P Pepe, Roberto Cristiano, Flavio Gatti, Doris Maier, Michael Siegel, Dagmar Henrich, Masayoshi Tonouchi, Thomas Ortlepp, “Superconducting Radiation and Particle Detectors”, Applied Superconductivity: Handbook on Devices and Applications , Pages843-948 , 2015-1

3. C. Grupen, G. P. Pepe, R. Cristiano, F. Gatti, D. Maier, M. Siegel, D. Henrich, M. Tonouchi, T. Ortlepp “Superconducting Radiation and Particle Detectors” Applied Superconductivity: Handbook on Devices and Applications , pp.843-948 , 2015-1

4. Noriaki Kida, Masayoshi Tonouchi, “Visualization of photogenerated metallic inhomogeneity in the insulating phase of Pr $ _ {\ bf 0.7} $ Ca $ _ {\ bf 0.3} $ MnO $ _ {\ bf 3} $ thin film using spatiotemporal terahertz radiation imaging”, arXiv preprint arXiv:1412.2836 , , 2014-12

5. Jingbo Wu, Caihong Zhang, Lanju Liang, Biaobing Jin, Iwao Kawayama, Hironaru Murakami, Lin Kang, Weiwei Xu, Huabing Wang, Jian Chen, Masayoshi Tonouchi, Peiheng Wu, “Nonlinear terahertz superconducting plasmonics”, Applied Physics Letters , Vol.105 , No.16 , Pages162602 , 201410

6. Iwao Kawayama, Kenta Kotani, Mukul Misra, Hironaru Murakami, Masayoshi Tonoushi, “Dielectric properties of (Ba, Sr)TiO3 thin films in in MHz and THz frequency regions; Quantitative evaluation of the orientational polarization”, Jpn, J, Appl. Phys. , Vol.53 , Pages09PD06 , 2014-9

7. H. Murakami, K. Serita, Y. Maekawa, S. Fujiwara, E. Matsuda, S. Kim, I. Kawayama, M. Tonouchi, “Scanning laser THz imaging system”, Journal of Physics D: Applied Physics , Vol.47 , No.37 , Pages374007 , 2014-9

8. Y. Sano, I. Kawayama, M. Tabata, K. A. Salek, H. Murakami, M. Wang, R. Vajtai, P. M. Ajayan, J. Kono, and M. Tonouchi, “Imaging molecular adsorption and desorption dynamics on graphene using terahertz emission spectroscopy”, Scientific Reports , Vol.4 , Pages6046 , 2014-8

9. K. A. Salek, K. Takayama, I. Kawayama*, H. Murakami, M. Tonouchi, “Evaluation of Surface Carrier Recombination of Optically Excited Silicon using Terahertz Time-Domain Spectroscopy”, Terahertz Science and Technology , Vol.7 , No.2 , Pages100-107 , 2014-6

Papers of FY2013

1. L. Ren, Q. Zhang, C. L. Pint, A. K. Wójcik, M. Bunney, Jr, T. Arikawa, I. Kawayama, M. Tonouchi, R. H. Hauge, A. A. Belyanin, and J. Kono, “Collective antenna effects in the terahertz and infrared response of highly aligned carbon nanotube arrays”, Physical eview B , Vol.87 , No.16 , Pages161401-1～161401-5 , 2013-4

2. Zhihua Zhu, Xu Yang, Jianqiang Gu, Jun Jiang, Weisheng Yue, Zhen Tian, Masayoshi Tonouchi, Jiaguang Han and Weili Zhang, “Broadband plasmon induced transparency in terahertz metamaterials ”, Nanotechnology , Vol.24 , No.21 , Pages214003 , 2013-5

3. Caihong Zhang, Biaobing Jin, Jiaguang Han, Iwao Kawayama, Hironaru Murakami, Xiaoqing Jia, Lanju Liang, Lin Kang, Jian Chen, Peiheng Wu, Masayoshi Tonouchi, “Nonlinear response of superconducting NbN thin film and NbN metamaterial induced by intense terahertz pulses”, New Journal of Physics , Vol.15 , No.5 , Pages055017 , 2013-5

4. Anna Demming, Masayoshi Tonouchi, John L Reno, “Terahertz nanotechnology”, Nanotechnology , Vol.24 , No.21 , Pages210201 , 2013-5

5. Rakesh Rana, Parul Pandey, DS Rana, KR Mavani, I Kawayama, H Murakami, M Tonouchi, “Anisotropy-induced crossover from Drude conductivity to charge-density-wave excitations in a stripe-type charge-ordered manganite”, Physical Review B , Vol.87 , No.22 , Pages224421 , 2013-6

6. Iwao Kawayama, Caihong Zhang, Huabing Wang, Masayoshi Tonouchi, “Study on terahertz emission and optical/terahertz pulse responses with superconductors”, Superconductor Science and Technology , Vol.26 , No.9 , Pages093002 , 2013-9

7. Wei Cao, Ranjan Singh, Caihong Zhang, Jiaguang Han, Masayoshi Tonouchi, Weili Zhang, “Plasmon-induced transparency in metamaterials: Active near field coupling between bright superconducting and dark metallic mode resonators”, Applied Physics Letters , Vol.130 , No.10 , Pages101106 , 2013-9

8. Lu Ding, Qing Yang Steve Wu, Jun Feng Song, Kazunori Serita, Masayoshi Tonouchi, Jing Hua Teng, “Perfect Broadband Terahertz Antireflection by Deep‐Subwavelength, Thin, Lamellar Metallic Gratings”, Advanced Optical Materials , Vol.1 , No.12 , Pages910–914 , 2013-10

9. Yukihiro Tominari, Ryotaro Inoue, Iwao Kawayama, Hironaru Murakami, Masayoshi Tonouchi, “Terahertz-Pulse Radiation Properties of Oxygen-Deficient YBa2Cu3O7− δ Thin Films”, Journal of Infrared, Millimeter, and Terahertz Waves , Vol.34 , No.10 , Pages573-585 , 2013-10

10. Khandoker Abu Salek, Hidetoshi Nakanishi, Akira Ito, Iwao Kawayama, Hironaru Murakami, Masayoshi Tonouchi, “Laser terahertz emission microscopy studies of a polysilicon solar cell under the illumination of continuous laser light”, Optical Engineering , Vol.53 , No.3 , Pages031204-031204 , 2014-3

11. Satoshi Yamauchi, Sakura Hatakeyama, Yoh Imai, Masayoshi Tonouchi, “Nondestructive evaluation of crystallized-particle size in lactose-powder by terahertz time-domain spectroscopy”, Optical Engineering , Vol.53 , No.3 , Pages031203-031203 , 2014-3

12. Kazunori Serita, Hironaru Murakami, Iwao Kawayama, Yoshinori Takahashi, Masashi Yoshimura, Yusuke Mori, Masayoshi Tonouchi, “Evaluation of human hairs with terahertz wave”, Optical Engineering , Vol.53 , No.3 , Pages031205-031205 , 2014-3

13. Anwar M , Melinger JS, Ozbay E, Tonouchi M, “Terahertz Physics and Applications ”, Optical Engineering , Vol.53 , No.3 , Pages031201 , 2014-3

14. Hironaru Murakami, Caihong Zhang, Iwao Kawayama, Biaobing Jin, Jian Chen, Peihen Wu, Masayoshi Tonouchi, “Pair-breaking of the superconducting thin films induced by the intense terahertz pulses”, Bulletin of the American Physical Society , Vol.59 , , 2014-3

15. Iwao Kawayama, Makoto Ohshiro, Yuki Sano, Hironaru Murakami, James Allred, Minjie Wang, Junichiro Kono, Robert Vajtai, Pulickel Ajayan, Masayoshi Tonouchi, “Terahertz time-domain spectroscopy of large-area graphene on various substrates”, Bulletin of the American Physical Society , Vol.59, 2014-3

Papers of FY2012

1. Caihong Zhang, Yuri Avetisyan, Andreas Glosser, Iwao Kawayama,Hironaru Murakami, and Masayoshi Tonouchi, “Bandwidth tunable THz wave generation in large-area periodically poled lithium niobat”, Optics Express , Vol.20 , No.8 , Pages8784-8790 , 2012-4

2. Kazunori Serita, Shori Mizuno, Hironaru Murakami, Iwao Kawayama, Yoshinori Takahashi, Masashi Yoshimura, Yusuke Mori, Juraj Darmo, Masayoshi Tonouchi, “Scanning laser terahertz near-field imaging system”, Optics Express , Vol.20 , No.12 , Pages12959-12965 , 2012-6

3. Lei Ren, Qi Zhang, Jun Yao, Zhengzong Sun, Ryosuke Kaneko, Zheng Yan, Sébastien L. Nanot, Zhong Jin, Iwao Kawayama, Masayoshi Tonouchi, James M. Tour, and Junichiro Kono, “Terahertz and Infrared Spectroscopy of Gated Large-Area Graphene”, Nano Letters , Vol.12 , No.7 , Pages3711-3715 , 2012-6

4. Takayuki Kumagai, Ryouta Ito, Kei Takeya, Hiroyuki Yoshida, Hitoshi Kubo, Akihiko Fujii, Toshiaki Nose, Masayoshi Tonouchi & Masanori Ozaki, “Tunable Terahertz Filter Using an Etalon with a Nematic Liquid Crystal Layer and its Response Speed”, Molecular Crystals and Liquid Crystals , Vol.561 , No.1 , Pages82-88 , 2012-6

5. Lei Ren, Qi Zhang, Sébastien Nanot, Iwao Kawayama, Masayoshi Tonouchi, Junichiro Kono, “Te-rahertz Dynamics of Quantum-Confined Electrons in Carbon Nanomaterials”, Journal of Infrared, Millimeter, and Terahertz Waves , Vol.33 , No.8 , Pages846-860 , 2012-6
6. Christophe Fumeaux, Hungyen Lin, Kazunori Serita, Withawat Withayachumnankul, Thomas Kaufmann, Masayoshi Tonouchi, and Derek Abbott, “Distributed source model for the full-wave electromagnetic simulation of nonlinear terahertz generation”, Optics Express , Vol.20 , No.16 , Pages18397-18414 , 2012-6

7. Takayuki Kumagai, Ryouta Ito, Kei Takeya, Hiroyuki Yoshida, Hitoshi Kubo, Akihiko Fujii, Toshiaki Nose, Masayoshi Tonouchi, Masanori Ozaki, “Tunable Terahertz Filter Using an Etalon with a Nematic Liquid Crystal Layer and its Response Speed”, Molecular Crystals and Liquid Crystals , Vol.561 , No.1 , Pages82-88 , 2012-8

8. Yuri Avetisyan and Masayoshi Tonouchi, “Terahertz generation in quasi-phase-matching structure formed by a phase mask”, Optics Letters , Vol.37 , No.19 , Pages4155-4157 , 2012-9

9. Yuri Avetisyan, Caihong Zhang, and Masayoshi Tonouchi, “Analysis of Linewidth Tunable Terahertz Wave Generation in Periodically Poled Lithium Niobate”, J Infrared Milli Terahz Waves , Vol.33 , No.10 , Pages989-998 , 2012-10

10. H. Nakanishi, S. Fujiwara, K. Takayama, I. Kawayama, H. Murakami and M. Tonouchi, “Imaging of a polycrystalline silicon solar cell using a Laser Terahertz Emission Microscope”, Applied Physics Express , Vol.5 , No.11 , Pages112301-1-3, DOI:10.1143/APEX.5.112301 , 2012-10

11. Caihong Zhang, Biaobing Jin, Andreas Glossner, Lin Kang, Jian Chen, Iwao Kawayama, Hironaru Murakami, Paul Müller, Peiheng Wu, and Masayoshi Tonouchi, “Pair-breaking in superconducting NbN films induced by intense THz field”, J Infrared Milli Terahz Waves , Vol.33 , No.11 , Pages1071-1075 , 2012-11

12. Yuri Avestisyan, Caihong Zhang, Iwao Kawayama, Hironaru Murakami, Toshihiro Somekawa, Haik Chosrowjan, Masayuki Fujita, and Masayoshi Tonouchi, “Terahertz generation by optical rectification in lithium niobate crystal using a shadow mask”, Optics Express , Vol.20 , No.23 , Pages25752-25757 , 2012-11

13. Rakesh Rana, D. S. Rana, K. R. Mavani, I. Kawayama, H. Murakami, and M. Tonouchi, “Charge density wave excitations in stripe-type charge ordered Pr0.5Sr0.5MnO3 manganite”, Applied Physics Letter , Vol.101 , No.25 , Pages252401-1-4 , 2012-12

14. Caihong Zhang, Biaobing Jin, Jiaguang Han, Iwao Kawayama, Hironaru Murakami, Jingbo Wu, Lin Kang, Jian Chen, Peiheng Wu, and Masayoshi Tonouchi , “Terahertz nonlinear superconducting metamaterials ”, Applied Physics Letter , Vol.102 , No.8 , Pages081121 , 2013-3

15. Ryuhei Kinjo, Iwao Kawayama, Hironaru Murakami, Masayoshi Tonouchi, “Thickness Dependence of Dielectric Characteristics of SrTiO3 Thin Films on MgAl2O4 Substrates”, Advances in Materials Physics and Chemistry , Vol.3 , Pages58-61 , 2013-3

16. Caihong Zhang, Yuri Avetisyan, Gevorg Abgaryan, Iwao Kawayama, Hironaru Murakami, and Masayoshi Tonouchi, “Tunable narrowband terahertz generation in lithium niobate crystal using a binary phase mask”, Optics Letter , Vol.38 , No.6 , Pages953-955 , 2013-3

 

Papers of FY2011

1. K. Takeya,Y. Takemoto ,I. Kawayama, H. Murakami, T. Matsukawa, M. Yoshimura, Y. Mori, M. Tonouchi,, “Terahertz Generation and Optical Properties of Lithium Ternary Chalcogenide Crystals ”, JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES , Vol.32 , No.4 , Pages426-433 , 2011-4

2. M. Yamashita, C. Otani, T. Matsumoto, Y. Midoh, K. Miura, K. Nakamae, K. Nikawa, S. Kim, H. Murakami, M. Tonouchi, “THz emission characteristics from p/n junctions with metal lines under non-bias conditions for LSI failure analysis”, OPTICS EXPRESS , Vol.19 , No.11 , Pages10864-10873 , 2011-5

3. C. Otani, M. Tonouchi, I. Hosako, “Special Issue on Terahertz Technology-2nd International Workshop on Terahertz Technology (Teratech 2009) Preface ”, JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES , Vol.32 , No.5 , Pages551-552 , 2011-5

4. S. Sasa, S. Umino, Y. Ishibashi, T. Maemoto, M. Inoue, K. Takeya, M. Tonouchi, “Intense Terahertz Radiation from InAs Thin Films”, JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES , Vol.32 , No.5 , Pages646-654 , 2011-5

5. Yasuyuki Hirakawa , Yoshitomo Ohno , Toyohiko Gondoh , Tetsuo Mori ,Kei Takeya , Masayoshi Tonouchi , Hideyuki Ohtake , Tomoya Hirosumi, “Nondestructive Evaluation of Rubber Compounds by Terahertz Time-Domain Spectroscopy”, Journal of Infrared, Millimeter, and Terahertz Waves , Vol.32 , No.12 , Pages1457-1463 , 2011-12

6. Ryuhei Kinjo, Iwao Kawayama, Hironaru Murakami and Masayoshi Tonouchi, “Strain-Induced Ferroelectricity of a SrTiO3 Thin Film on a MgAl2O4 Substrate Observed by Terahertz Time-Domain Spectroscopy”, Journal of Infrared, Millimeter, and Terahertz Waves , Vol.33 , No.1 , Pages67-73 , 2012-1

7. C. H. Zhang, J. B. Wu, B. B. Jin, Z. M. Ji, L. Kang, W. W. Xu, J. Chen, M. Tonouchi, and P. H. Wu, “Low-loss terahertz metamaterial from superconducting niobium nitride films”, Optics Express , Vol.20 , No.1 , Pages42-47 , 2012-1

8. Withawat Withayachumnankul,Hungyen Lin, Kazunori Serita, Charan M.Shah,Sharath Sriram, Madhu Bhaskaran, Masayoshi Tonouchi, Christophe Fumeaux,and Derek Abbott, “Sub-diffraction thin-film sensing with planar terahertz metamaterials”, OPTICS EXPRESS , Vol.20 , No.3 , Pages3345-3352 , 2012-1

9. Lei Ren,Cary L. Pint,Takashi Arikawa,Kei Takeya,Iwao Kawayama, Masayoshi Tonouchi,Robert H. Hauge, and Junichiro Kono, “Broadband Terahertz Polarizers with Ideal Performance Based on Aligned Carbon Nanotube Stacks”, Nano Letters , Vol.12 , No.2 , Pages787-790 , 2012-2

10. A. Gauthier-Brun, J. H. Teng, E. Dogheche, W. Liu, A. Gokarna, M. Tonouchi, S. J. Chua, D. Decoster, “Properties of InxGa1-xN films in terahertz range ”, APPLIED PHYSICS LETTERS , Vol.100 , No.7 , Pages071913 , 2012-2

11. I. Katayama, H. Aoki, J. Takeda, H. Shimosato, M. Ashida, R. Kinjo, I. Kawayama, M. Tonouchi, M. Nagai, K. Tanaka, “Ferroelectric Soft Mode in a SrTiO3 Thin Film Impulsively Driven to the Anharmonic Regime Using Intense Picosecond Terahertz Pulses ”, PHYSICAL REVIEW LETTERS , Vol.108 , No.9 , Pages097401 , 2012-2

Papers of FY2010

1. R. Kaneko, I. Kawayama, H. Murakami and M. Tonouchi, “Detection of Pulsed Terahertz Waves Using High-Temperature Superconductor Josephson Junction”, Applied Physics Express , Vol.3 , No.4 , Pages42701 , 2010-4

2. T. Kiwa, Y. Kondo, Y. Minami, I. Kawayama, M. Tonouchi and K. Tsukada, “Terahertz chemical microscope for label-free detection of protein complex”, Applied Physics Letters , Vol.96 , No.21 , Pages211114 , 2010-5

3. Takeshi Matsukawa, Masashi Yoshimura, Yoshinori Takahashi, Yoshiaki Takemoto, Kei Takeya, Iwao Kawayama, Shuji Okada, Masayoshi Tonouchi, Yasuo Kitaoka, Yusuke Mori, Takatomo Sasaki, “Bulk Crystal Growth of Stilbazolium Derivatives for Terahertz Waves Generation”, Jpn. J. Appl. Phys. , Vol.49 , Pages075502 , 2010-7

4. Shigehiko Sasa, Shinya Umino, Yutaro Ishibashi, Toshihiko Maemoto, Masataka Inoue, Kei Takeya, Masayoshi Tonouchi, “Intense Terahertz Radiation from InAs Thin Films”, Journal of Infrared, Millimeter, and Terahertz Waves , , 2010-8

5. Kei Takeya, Yoshiaki Takemoto, Iwao Kawayama, Hironaru Murakami, Takeshi Matsukawa, Masashi Yoshimura, Yusuke Mori, Masayoshi Tonouchi , “Terahertz emission from coherent phonons in lithium ternary chalcopyrite crystals illuminated by 1560 nm femtosecond laser pulses”, EPL(Europhysics Letters) , Vol.91 , Pages20004-20007 , 2010-8

6. Kei Takeya, Iwao Kawayama, Hironaru Murakami, Kazunari Ohgaki, Masayoshi Tonouchi, “Terahertz Spectroscopy of Gas Hydrates”, Proceedings of the 12th International Conference on the Physics and Chemistry of Ice: PCI-2012 , , 2010-9

7. Kei Takeya, Atsushi Tani, Takeshi Sugahara, Kazunari Ohgaki, “Thermal Stability of Radicals Induced in Xenon Hydrate”, Proceedings of the 12th International Conference on the Physics and Chemistry of Ice: PCI-2013 , , 2010-9

8. Atsushi Tani, Kenji Takato, Takeshi Sugahara, Kazunari Ohgaki, Kei Takeya, “In-situ ESR Observation of Methyl Radical in Gamma-Irradiated Methane Hydrate Under High Pressure”, Proceedings of the 12th International Conference on the Physics and Chemistry of Ice: PCI-2010 , , 2010-9

9. Kenji Takato, Atsushi Tani, Takeshi Sugahara, Kei Takeya, Kazunari Ohgaki, “Decay Mechanisms of Radiation-Induced Radicals in Sulfur Hexafluoride Clathrate Hydrate”, Proceedings of the 12th International Conference on the Physics and Chemistry of Ice: PCI-2011 , , 2010-9

10. Kei Takeya, Yoshiaki Takemoto, Iwao Kawayama, Hironaru Murakami, Takeshi Matsukawa, Masashi Yoshimura, Yusuke Mori, Masayoshi Tonouchi, “Terahertz Generation and Optical Properties of Lithium Ternary Chalcogenide Crystals”, Journal of Infrared, Millimeter, and Terahertz Waves , , 2011-2

Papers of FY2009

1. D.S. Rana, I. Kawayama, K.R. Mavani, K. Takahashi, H. Murakami, M. Tonouchi , “Understanding the nature of ultrafast polarization dynamics of ferroelectric memory in the multiferroic BiFeO3 thin films”, Advanced Materials , Vol.21 , Pages2881-2885 , 2009-4

2. M. Yamashita, C. Otani, K. Kawase, T. Matsumoto, K. Nikawa, S. Kim, H. Murakami and M. Tonouchi, “Backside observation of large-scale integrated circuits with multilayered interconnections using laser terahertz emission microscope”, Applied Physics Letters , Vol.94 , No.19 , Pages191104-1-191104-3 , 2009-5

3. Kitamura R, Murakami H, Kawayama I , Tonouchi M, “Detection of Magnetic Signal in High-Tc Superconductor Devices by Scanning Laser Magneto-Optical Microscope”, IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY , Vol.19 , No.3 , Pages745-748 , 2009-6

4. Lei Ren, Cary L. Pint, Layla G. Booshehri, William D. Rice, Xiangfeng Wang, David J. Hilton, Kei Takeya, Iwao Kawayama, Masayoshi Tonouchi, Robert H. Hauge, Junichiro Kono, “Carbon Nanotube Terahertz Polarizer”, Nano Letters , Vol.9 , No.7 , Pages2610-2613 , 2009-6

5. Yamashita Masatsugu, Otani Chiko, Kim Sunmi, Murakami Hironaru, Tonouchi Masayoshi, Matsumoto Toru, Midoh Yoshihiro, Miura Katsuyoshi, Nakamae Koji, Nikawa Kiyoshi, “Laser THz emission microscope as a novel tool for LSI failure analysis”, MICROELECTRONICS RELIABILITY , Vol.49 , No.9-11 , Pages1116-1126 , 2009-7

6. Rana DS, I Kawayama, K. Mavani, K Takahashi, H Murakami, M Tonouchi, “Understanding the Nature of Ultrafast Polarization Dynamics of Ferroelectric Memory in the Multiferroic BiFeO3”, ADVANCED MATERIALS , Vol.21 , No.28 , Pages2881 , 2009-7

7. Matsuoka T, Fujimoto T, Tanaka K, Miyasaka S, Tajima S, Fujii K, Suzuki M, Tonouchi M, “Terahertz time-domain reflection spectroscopy for high-T-c superconducting cuprates”, PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS , Vol.469 , No.15-20 , Pages982-984 , 2009-8

8. Masayoshi Tonouchi, “Galore New Applications of Terahertz Science and Technology”, International Journal of Terahertz Science and Technology , Vol.2 , No.3 , Pages90-101 , 2009-9

9. Zhang Caihong, Jin Biaobing, Chen Jian, Wu Peiheng, Tonouchi Masayoshi, “Noncontact evaluation of nondoped InP wafers by terahertz time-domain spectroscopy”, JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS , Vol.26 , No.9 , PagesA1-A5 , 2009-9

10. Inoue Ryotaro, Takayama Kazuhisa, Tonouchi Masayoshi, “Angular dependence of terahertz emission from semiconductor surfaces photoexcited by femtosecond optical pulses”, JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS , Vol.26 , No.9 , PagesA14-A22 , 2009-9

11. R. Kinjo, I. Kawayama, K. Takeya, H. Murakami, T. Matsukawa, Y. Takahashi, M. Yoshimura, Y. Kitaoka, Y. Mori, T. Sasaki, M. Tonouchi, “Observation of Strain Effects of SrTiO3 Thin Films by Terahertz Time-Domain Spectroscopy with a 4-Dimethylamino-N-methyl-4-stilbazolium Tosylate Emitter”, Japanese Journal of Applied Physics , Vol.48 , No.9 , Pages09KA16-1-4 , 2009-9

12. H. Murakami, R. Kitamura, I. Kawayama, M. tonouchi, “Magneto-optical detection of single flux quantum signals in superconducting quantum interference device”, Applied Physics Letters , Vol.95 , No.19 , Pages192503 , 2009-11

13. Kei Takeya, Caihong Zhang, Iwao Kawayama, Hironaru Murakami, Peter Uhd Jepsen, Jian Chen, Peiheng Wu, Kazunari Ohgaki, and Masayoshi Tonouchi, “Terahertz Time Domain Spectroscopy for Structure-II Gas Hydrates”, Applied Physics Express , No.2 , Pages122303-122305 , 2009-11

14. Katayama Ikufumi, Shimosato Hiroshi, Ashida Masaaki, Kawayama Iwao, Tonouchi Masayoshi, Itoh Tadashi, “Thickness dependence of the soft ferroelectric mode in SrTiO3 thin films deposited on MgO(修正）”, JOURNAL OF LUMINESCENCE , Vol.130 , No.1 , Pages190-190 , 2010-1

15. H. Murakami, M. tonouchi, “High-sensitive scanning laser magneto-optical imaging ”, Review of Scientific Instrument , Vol.81 , No.1 , Pages013701 , 2010-1

16. Ito, Ryouta, Nose, Toshiaki, Ozaki, Masanori, Takeya, Kei, Tonouchi, Masayoshi, “THz Wave Transmission Properties of LC Composite Membrane Films”, MOLECULAR CRYSTALS AND LIQUID CRYSTALS , Vol.516 , Pages144-151 , 2010-2

17. L. Ren, C. L. Pint, A. K. Wόjcik, T. Arikawa, Y. Takemoto, K. Takeya, I. Kawayama,A. A. Belyanin, M. Tonouchi, R. H. Hauge, and J. Kono, “Anisotropic Terahertz Dynamics of Highly-Aligned Single-Walled Carbon Nanotubes”, International Journal of Terahertz Science and Technology , Vol.3 , No.1 , Pages26-32 , 2010-3

Papers of FY2008

1. K. Nakayama, T. Sato, T. Takahashi, and H. Murakami,, “Doping Induced Evolution of Fermi Surface in Low Carrier Superconductor Tl-Doped PbTe”, Phys. Rev. Lett. , Vol.100 , Pages227004 , 2008-4

2. S. Kim, H. Murakami and M. Tonouchi, “Transmission-type laser THz emission microscope using a solid immersion lens”, IEEE Journal Of Selected Topics In Quantum Electronics , Vol.14 , No.2 , Pages498-504 , 2008-4

3. T. Ikegami, I. Kawayama, M. Tonouchi, S. Nakao, Y. Yamashita and H. Tada, “Planar-type spin valves based on low-molecular-weight organic materials with La0.67Sr0.33MnO3 electrodes”, Applied Physics Letters , Vol.92 , No.15 , Pages153304-1-153304-3 , 2008-4

4. Tomonori Ikegami, Iwao Kawayama, Masayoshi Tonouchi, Satoru Nakao, Yoshiro Yamashita and Hirokazu Tada, “Planar-type Spin-valves Based on Organic Materials with La0.67Sr0.33MnO3 Electrodes”, Applied Physics Letters , Vol.92 , Pages153304 , 2008-4

5. Toshihiko Kiwa, Junichi Kondo, Shohei Oka, Iwao Kawayama, Hironobu Yamada, Masayoshi Tonouchi, Keiji Tsukada, “Chemical sensing plate with a laser-terahertz monitoring system”, Applied Optics , Vol.47 , No.18 , Pages3324-3327 , 2008-6

6. Kei Takeya, Masayoshi Tonouchi, Kazunari Ohgaki, “THz Time Domain Spectroscopy of Tetrahydrofuran Hydrate”, Proceedings of the 6th International Conference on Gas Hydrates , Pages5631 , 2008-7

7. Yamashita M, Otani C, Kawase K, et al, “Noncontact inspection technique for electrical failures in semiconductor devices using a laser terahertz emission microscope”, APPLIED PHYSICS LETTERS , Vol.93 , No.4 , Pages041117 , 2008-7

8. H. Murakami, R. Kitamura, I. Kawayama, M. Tonouchi, “Development of a high-speed and a high-sensitive laser scanning magneto-optical imaging system”, Journal of Physics , Vol.150 , Pages012029-012033 , 2008-8

9. Ikufumi Katayama, Hiroshi Shimosato, Dhanvir Singh Rana, Iwao Kawayama, Masayoshi Tonouchi and Masaaki Ashida, “Hardening of the ferroelectric soft mode in SrTiO3 thin films”, Applied Physics Letters , Vol.93 , Pages132903 , 2008-9

10. D.S. Rana, I. Kawayama, K. Takahashi, K.R. Mavani, H. Murakami, M. Tonouchi, T. Yanagida, H. Tanaka and T. Kawai, “Implications of Phase-segregation on the structure, magnetism and THz-emission of multiferroic Bi(Fe1-xMnx)O3 (0≤x≤0.5) thin films”, Europhysics Letters , Vol.84 , Pages67016 , 2008-12

11. Terai Y, Hidaka K, Fujii K, et al., “O-codoped GaAs/GaInP laser diodes grown by organometallic vapor phase epitaxy, Ultrafast carrier capturing in GaInP/Er”, APPLIED PHYSICS LETTERS , Pages231117 , 2008-12

12. K. R. Mavani, M. Nagai, D. S. Rana, H. Yada, I. Kawayama, M. Tonouchi, and K. Tanaka, “Effects of disorder and scaling of optical conductivity in Nd0.5Ca0.5−xBaxMnO3 „x=0 and 0.02… thin films as observed by terahertz time-domain spectroscopy”, Applied Physics Letters , Vol.93 , Pages231908 , 2008-12

13. K. Shimada, Y. Terai, S. Takemoto, K. Hidaka, and Y. Fujiwara, M. Suzuki, and M. Tonouchi, “Terahertz radiation from Er,O-codoped GaAs surface grown by organometallic vapour phase epitaxy”, Applied Physics Letters, Vol.92, pp. 111115-1-3, 2008, DOI: 10.1063/1.2901025

14. Takeshi Matsukawa, Yoshinori Takahashi, Ryo Miyabara, Hiroki Koga, Hirohito Umezawa, Iwao Kawayama, Masashi Yoshimura, Shuji Okada, Masayoshi Tonouchi, Yasuo Kitaoka, Yusuke Mori, and Takatomo Sasaki, “Development of DAST-derivative crystals for terahertz waves generation”, Journal of Crystal Growth , Vol.311 , Pages568-571 , 2009-1

Papers of FY2007

1. Y. Doda, I. Kawayama, H. Murakami, M. Tonouchi, “Optical Responses of Josephson Vortex Flow Transistor under Irradiation of Femtosecond Laser Pulses”, Jpn. J. Appl. Phys. , Vol.46 , No.4B , Pages2381-2384 , 2007-4

2. Lee Y, Tanaka S, Uetake N, Fujisaki S, Inoue R, Tonouchi M, “Terahertz time-domain spectrometer with module heads coupled to photonic crystal fiber”, Appl. Phys. B , Vol.87 , No.3 , Pages405-409 , 2007-5

3. K.R. mavani, D. S. Rana, S. Rayaprol, R. N. Parmar, D. G. Kuberkar, Ravi Kumar, M. Tonouchi, J. John, R. Nagarajan, “200 Mev Ag+15 ion irradiation created columnar defects and enhanced critical current density of La-2125 type superconducting thin films”, Solid State Communications , Vol.142 , No.8 , Pages462-465 , 2007-5

4. I. Kawayama, R. Kinjo, T. Kiwa, H. Murakami and M. Tonouchi, “Detection of Photomixing signals with a YBCO Josephson junction Coupled to a Coplanar Waveguide”, IEEE Trans. Appl. Supercond. , Vol.17 , No.2 , Pages321-323 , 2007-6

5. D. S. Rana, K. Takahashi, K. R. Mavani, I. Kawayama, H. Murakami, M. Tonouchi, “Visualization of photoassisted polarization switching and its consequences in BiFeO3 thin films probed by terahertz radiation”, Applied Physics Letters , Vol.91 , No.3 , Pages031909 , 2007-7

6. Murakami H, Uchida N, Inoue R, Kim S , Kiwa T, Tonouchi M , “Laser terahertz emission microscope”, Proceedings of the IEEE , Vol.95 , No.8 , Pages1646-1657 , 2007-8

7. Sunmi Kim, Hiroki Koga, Hironaru Murakami, Masayoshi Tonouchi, “Recent progress in laser terahertz emission microscopy toward high-resolution imaging”, Proceedings of IEEE , Vol.1-4244-1439-3 , Pagessubmitted , 2007-9

8. H. Murakami, I. Kawayama , M. Tonouchi, “Fabrication of a prototype laser-magneto-optical imaging system, Physica C: Superconductivity, Vol.460-462, Pages1489-1490 , 2007-9

9. H. Murakami, Y. Tominari and M. Tonouchi, “Terahertz-pulse radiation phenomena of high-TC superconductors by ultrashort optical pulse illumination”, Physica C: Superconductivity , Vol.460-462 , Pages1493-1494 , 2007-9

10. T. Kiwa, S. Oka, J. Kondo, I. Kawayama, H. Yamada, M. Tonouchi and K. Tsukada, “A Terahertz Chemical Microscope to Visualize Chemical Concentrations in Microfluidic Chips”, JJAP Express Letter , Vol.46 , No.44 , PagesL1052–L1054 , 2007-11

11. Noriaki Kida, Kouhei Takahashi, and Masayoshi Tonouchi, “Photoinduced phase transition in Pr0.7Ca0.3MnO3 thin films probed via ultrafast switching characteristics of terahertz radiation”, Physical Review B , Vol.76 , Pages184437-1-7 , 2007-11

12. K.R. Mavani., D.S. Rana, K. Takahashi, I. Kawayama, H. Murakami, M. Tonouchi, “Effects of cation disorder on terahertz emission from half-doped manganite thin films ”, Europhysics Letters , Vol.81 , No.1 , Pages17009-1-6 , 2007-12

13. Ikufumi Katayama, Hiroshi Shimosato, Masaaki Ashida, Iwao Kawayama, Masayoshi Tonouchi, Tadashi Itoha, “Thickness dependence of the soft ferroelectric mode in SrTiO3 thin films deposited on MgO”, Journal of Luminescence , Vol.128 , Pages998–1000 , 2007-12

14. Y. Fujiwara, S. Takemoto, K. Nakamura, K. Shimada, M. Suzuki, K. Hidaka, Y. Terai, M. Tonouchi, “Ultrafast carrier trapping in Er-doped and Er,O-codoped GaAs revealed by pump and probe technique”, Physica B , Vol.401–402 , Pages234–237 , 2007-12

15. Sunm Kim, Hironaru Murakami, Masayoshi Tonouchi, “LSI imaging using Transmission-mode Laser THz emission”, Proceedings of LSI Testing Symposium (LSITS) , Pages341-345 , 2007-1

16. D.S. Rana, K. Takahashi, K.R. Mavan., I. Kawayama, H. Murakami, M. Tonouchi, “Structural depedence of Terhertz radiation from multiferroic BiFeO3 thin films”, Physical Review B , Vol.77 , Pages24105 , 2008-1

17. H. Murakami, M. Tonouchi, “Laser terahertz emission microscopy”, Comptes Rendus Physique (Elsevier Science) , Vol.9 , No.2 , Pages169-183 , 2008-1

18. Yasufumi Fujiwara, Shouichi Takemoto, Takehiro Tokuno, Keiji Hidaka, Hideki Ichida, Masato Suzuki, Yoshikazu Terai, Yasuo Kanematsu, and Masayoshi Tonouchi, “Mechanism of excitation and relaxation in Er,O-codoped GaAs for 1.5 μm light-emitting devices with extremely stable wavelength”, phys. stat. sol. (a) , Vol.205 , No.1 , Pages64–67 , 2008-1

19. K. Shimada, Y. Terai, S. Takemoto, K. Hidaka, Y. Fujiwara, M. Suzuki, M. Tonouchi, "Terahertz radiation from Er,O-codoped GaAs surface grown by organometallic vapour phase epitaxy”, Applied Physics Letters , Vol.92 , Pages111115 , 2008-3

Papers of FY2006

1. K. Nakamura, S. Takemoto, Y. Terai, M. Suzuki, A. Koizumi, Y. Takeda, M. Tonouchi and Y. Fujiwara, “Direct observation of trapping of photoexcited carriers in Er,O-codoped GaAs”, Physica B , Vol.376-377 , Pages556-559 , 2006-4

2. K. Kotani, I. Kawayama, M. Tonouchi, Y. Hotta, H. Tabata, “Dielectric and ferroelectric properties of c-axis oriented strontium bismuth tantalate thin films applied transverse electric fields”, Journal of Applied Physics , Vol.99 , No.12 , Pages124106-1-6 , 2006-6

3. K. Takahashi and M. Tonouchi, “Influence of Mn Doping on Ferroelectric-Antiferromagnet BiFeO3 Thin Films Grown on (LaAlO3)0:3(Sr2AlTaO6)0:7 Substrates”, Jpn. J. Appl. Phys. , Vol.45 , No.29 , PagesL755-L757 , 2006-7

4. R. Inoue, N. Uchida and M. Tonouchi, “Scanning Probe Laser Terahertz Emission Microscope”, Japanese Journal of Applied Physics , Vol.45 , No.31 , PagesL824-L826 , 2006-8

5. H. Murakami, K.Ueno, I.Kawayama and M. Tonouchi, “Development of a prototype laser magneto-optical imaging system”, Supercond. Sci. Technol. , Vol.19 , Pages941–944 , 2006-8

6. Masato Suzuki, Masayoshi Tonouchi, Ken-ichi Fujii, Hideyuki Ohtake and Tomoya Hirosumi, “Excitation wavelength dependence of terahertz emission from semiconductor surface”, Applied Physics Letters , Vol.89 , No.9 , Pages091111 , 2006-8

7. R. Inoue, Y. Ohno and M. Tonouchi, “Development of Fiber-Coupled Compact Terahertz Time-Domain Spectroscopy Imaging Head”, Japanese Journal of Applied Physics , Vol.45 , No.10A , Pages7928-7932 , 2006-10

8. Nobuya Hiroshiba, Ryotaro Kumashiro, and Katsumi Tanigaki, Taishi Takenobu and Yoshihiro Iwasa, Kenta Kotani, Iwao Kawayama, and Masayoshi Tonouchi, “Rubrene single crystal field-effect transistor with epitaxial BaTiO3 high-k gate insulator”, Applied Physics Letters , Vol.89 , No.15 , Pages152110 , 2006-10

9. M. Inoue, T. Nishitani, A. Fujimaki, T. Yamada, K. Sawaki, I. Kawayama and M. Tonouchi, “Study on the optical input interface for Nb single-flux-quantum logic circuits”, Applied Physics Letters , Vol.89 , No.25 , Pages252511 , 2006-12

10. M. Tonouchi, “Optical magnetic flux generation in superconductor”, Pramana-Journal Of Physics , Vol.58 , No.5&6 , Pages1153-1157 , 2006-12

11. K. Takahashi and M. Tonouchi, “Observation of photoassisted polarization switching in BiFeO3 thin films probed by terahertz radiation”, Applied Physics Letters , Vol.90 , No.5 , Pages052908 , 2007-1

12. D. S. Rana, K. Takahashi, K. R. Mavani, I. Kawayama, H. Murakami, M. Tonouchi, T. Yanagida, H. Tanaka and T. Kawai, “Thickness dependence of structure and magnetization of BiFeO3 films on (LaAlO3)0.3(Sr2AlTaO6)0.7 (001) substrate”, Physical Review B Rapid Comm. , Vol.75 , No.6 , Pages060405R , 2007-2

13. M. Tonouchi, “Cutting-edge terahertz technology”, Nature Photonics , Vol.1 , No.2 , Pages97-105 , 2007-2

14. DS Rana, K. Takahashi, K. Mavani, I. Kawayama, H. Murakami, M. Tonouchi, T. Yanagida, H. Tanaka and T. Kawai, “Thickness dependence of the structure and magnetization of BiFeO3 thin films on (LaAlO3)0.3(Sr2AlTaO6)0.7 (001) substrate”, Physical Review B , Vol.75 , No.6 , Pages060405-1-060405-4 , 2007-2

15. I. Kawayama, Y. doda, R. Kinjo, T. Kiwa, H. Murakami and M. Tonouchi, “Study on Sub-THz Signal Input for Superconducting Electronic Devices”, IEICE Trans. Electron. , Vol.E90-C , No.3 , Pages588-594 , 2007-3

16. Takahashi K, Tonouchi M, “Influence of manganese doping in multiferroic bismuth ferrite thin films ”, J. Mag. Mag. Mat. , Vol.310 , No.2 , Pages1174-1176 , 2007-3

17. D.S. Rana, D.G. Kuberkar, M. Tonouchi and S.K. Malik, “Specific heat of Phase-separated (La0.7-2xEux)(Ca0.3Srx)MnO3 manganite compounds”, Journal of Magnetism and Magnetic Materials , Vol.310 , No.2 , PagesE184-E186 , 2007-3

Papers of FY2005

1. M. Yamashita, K. Kawase, C. Otani, T. Kiwa, M. Tonouchi, “Imaging of large-scale integrated circuits using laser terahertz emission microcopy”, Optics Express Vol. 13, No. 1, 10 January (2005) 115-120.

2. H. Murakami, Y.Tominari, M.Tonouchi, “Investigation of Terahertz emission phenomena of high-Tc superconductors”, Japanese Journal of Applied PhysicsVol.44,No.5A(2005)2998-3001.

3. Suzuki M, Tonouchi M, “Fe-implanted InGaAs terahertz emitters for 1.56 mu m wavelength excitation”, Appl. Phys. Lett., vol. 86, no.5, Art. No. 051104 JAN 31 2005

4. M. Suzuki, M. Tonouchi, “Fe-implanted InGaAs photoconductive terahertz detectors triggered by 1.56 mu m femtosecond optical pulses“, Appl. Phys. Lett., vol. 86, no.16, Art. No. 163504 (APR 18 2005)

5. H. .Murakami, Y.Tominari, M.Tonouchi, T.Uchiyama, I.Iguchi, Z.Wang, “Investigation of Terahertz emission phenomena of high-Tc superconductors”, Jpn. J. Appl. Phys. Vol. 44, No. 5A, (2005)2998-3001

6. Shimakage H, Tsujimoto K, Wang Z, et al., “All-MgB2 tunnel junctions with aluminum　nitride barriers“, APPLIED PHYSICS LETTERS 86 (7): Art. No. 072512 FEB 14 2005

7. M. Misra, K. Kotani, I. Kawayama, H. Murakami and M. Tonouchi, “Observation of TO1 Soft Mode in SrTiO3 Film by Terahertz Time Domain Spectroscopy”, Appl. Phys. Lett., Vol. 87 pp182909-1-182909-3 (October 10, 2005)

8. T. Kiwa, K. Tsukada, M. Suzuki, M. Tonouchi, S. Migitaka, K. Yokosawa, “Laser terahertz emission system to investigate hydrogen gas sensors”, Appl. Phys. Lett. Vol. 86 No. 26 pp261102-1-3 (June 27, 2005)

Papers of FY2004

1. I. Kawayama , K. Kotani, and M. Tonouchi, "Initial Growth of SrBi2Ta2O9 Thin Films on Various Substrates", Thin Solid Films, Vol. 464-465C (2004), pp 160-163.

2. K. Takahashi, N. Kida, M. Tonouchi, "Effects of photo-induced insulator-metal transition on terahertz radiation characteristics of Pr0.7Ca0.3MnO3", J. Magn. Magn. Mater., Vol272-276 ,2004 , 415

3. Y. Tominari, H. Murakami, M. Tonouchi, "Terahertz radiation properties of underdoped YBa2Cu3O7-x thin films", Chinese Journal Physics, Vol.42, No. 4-II, August 2004, 561-566.

4. Y. Doda, T. Kiwa, I. Kawayama, H. Murakami and M. Tonouchi, "Pulse current response of high-TC superconducting vortex flow transistors", Chinese Journal Physics, Vol. 42, No. 4-II, August (2004), pp. 458-462.

5. K. Ueno, H. Murakami, Y. Doda, M. Tonouchi, N. Chikumoto, "Magneto-optical Imaging of Magnetic Flux Distribution in High-Tc Superconductor", Physica C, 412-414 (2004) 1343-1348.

6. K. Ueno, H. Murakami, Y. Doda, I. Kawayama, M. Tonouchi, N. Chikumoto, "Magneto-Optical Imaging System to Study Vortex Dynamics in High-Tc Superconductor Devices", Chinese Journal Physics, VOL. 42, NO. 4-II (2004)567-571

7. T. Miyadera, T. Kiwa, I. Kawayama, H. Murakami, and M. Tonouchi, "Ultrafast optical study of amorphous Ge thin films for superconductor/semiconductor hybrid devices", Physica C, Vol. 412-414, Part2, October (2004), pp. 1602-1606

8. N. Kida, K. Takahashi, and M. Tonouchi, "Effect of charge ordering and disordering on terahertz radiation characteristics of magnetoresistive Pr0.7Ca0.3MnO3 thin films", OPTICS LETTERS, Vol. 29, No. 21, November 1 (2004) 2554-2556

9. T. Kiwa and M. Tonouchi, "Real-time monitoring of a photomixing signal using a high-Tc Josephson junction", Superconductor Science and Technology, Vol.17 No.8 pp. 998-1002 (August 2004)

10. Iwao Kawayama, K. Kotani, and M. Tonouchi, “Initial Growth of SrBi2Ta2O9 Thin Films on Various Substrates”, Thin Solid Films, Vol. 464-465C, October (2004) 160-163,

11. K. Ueno, H. Murakami, Y. Doda, I. Kawayama, M. Tonouchi, and N. Chikumoto, “Magneto-Optical Imaging System to Study Vortex Dynamics in High- Tc Superconductor Devices”, Chinese Journal Physics, Vol. 42, No. 4-II, August (2004) 567-571

12. T. Miyadera, T. Kiwa, I. Kawayama, H. Murakami, and M. Tonouchi , “Ultrafast optical study of amorphous Ge thin films for superconductor/semiconductor hybrid devices”, Physica C, Vol. 412-414, Part2, October (2004) 1602-1606.

13. M. Misra, K. Kotani, T. Kiwa, I. Kawayama, H. Murakami, and M. Tonouchi, “THz time domain spectroscopy of pulsed laser deposited BaTiO3 thin films”, Applied Surface Science, Vol. 237, Issues 1-4, 15 October (2004) 421-426

14. K. Ueno, H. Murakamia, I. Kawayama, Y. Doda, M. Tonouchi, N. Chikumoto, “Magneto-optical imaging of magnetic .flux distribution in high-Tc superconductors”, Physica C 412-414 (2004) 1343-1348

15. Masato Suzuki, Toshihiko Kiwa, Masayoshi Tonouchi, Yoji Nakajima, Shigehiko Sasa and Masataka Inoue, “Terahertz Radiation from InAs/AlxGa1-xSb (x = 0.5) heterostructures”, Physica E 22, 574-577 (2004)

16. Y. Tominari, H. Murakami, and M. Tonouchi, "Terahertz Radiation Properties of Underdoped YBa2Cu3O7-δ Thin Films,", Chinese Journal of Physics Vol. 42, No. 4-II, August (2004) 561-566.

17. H. Shimakage, A. Saito, A. Kawakami, and Z. Wang, “Fabrication condition dependence of as-grown MgB2 thin films by co-evaporation method,”, Phisica C, vol. 408-410, pp. 891?893, 2004.

18. H. Shimakage, K. Tsujimoto, Z. Wang, and M. Tonouchi, "Characteristics of MgB2/AlN/NbN Josephson Junctions with optimized conditions,", Supercond. Sci. Technol., vol. 17, pp. 1376?1380, 2004.

Papers of FY2003

1. 紀和利彦，斗内政吉，“高温超伝導体ジョセフソン接合を用いたフォトミキシング光－マイクロ波変換システム”，低温工学, Vol. 38, No. 1, Jan. (2003) 9-14

2. M. Tonouchi and H. Saijo “Terahertz Radiation From YBCO Thin Film Log-periodic Antennas”Journal of Superconductivity: Incorporating Novel Magnetism, 16 (5) (2003) 867-871

3. M Misra, N D Kataria, H Murakami and M Tonouchi“Analysis of a flip-chip bonded tunable high-temperature superconducting coplanar waveguide resonator using the conformal mapping technique”Superconductor Science and Technology Vol. 16 Feb. 24 (2003) 492-497

4. H. Murakami, T. Fukui, and M. Tonouchi “Ultrafast optical magnetic flux generation and the improved THz-imaging” Physica C 392-396 (2003) 401-405.

5. H. Murakami, Y. Tominari, M. Tonouchi, T. Yasuda, H. Wald, P. Seidel, H. Schneidewind “Ultrafast optical response of TBCCO(2212) thin films” Physica C 388-389(2003) 467-468.

6. H. Murakami, T. Kiwa, M. Tonouchi, T. Yasuda “THz imaging of supercurrent distribution in Meissner state of LPE-BSCCO film”Physica C 388-389(2003) 479-480.

7. I. Kawayama, T. Miyadera, Y. Doda, T. Kiwa, H. Murakami, and M. Tonouchi “Optical response of amorphous Ge photoconductive switches with YBCO transmission lines” Superconductor Science and Technology, Vol. 16, 7 November 2003, pp. 1475-1478

8. N. Kida and M. Tonouchi,“Reversible and bistable terahertz radiation from magnetoresistive Pr0.7Ca0.3MnO3 thin films” Appl. Phys. Lett., Vol. 82, No. 20, 19 May (2003) 3412- 3414

9. N. Kida , M. Tonouchia “THz spectroscopic evidence for a charge-density-wave formation in a charge-ordered manganite Pr0.7Ca0.3MnO3” Physica B 329-333(2003)842-843

10. T. Kiwa, Y. Kamata, M. Misra, H. Murakami, and M. Tonouchi “Backscattered Terahertz Radiation Imaging System to Visualize Supercurrent Distributions” IEEE Transaction on Applied Superconductivity, Vol. 13, No. 2, June (2003) 3675-3678

11. T. Kiwa, M. Tonouchi, M. Yamashita, and K. Kawase “Laser terahertz-emission microscope for inspecting electrical faults in integrated circuits” Optics Letters, Vol. 28, No. 21, Nov. (2003) 2058-2060

12. T. Kiwa, H. Murakami, and M. Tonouchi“Generation of sub-terahertz waves using a semiconductorphotomixer”Superconductor Science and Technology, Vol. 16, No.12, Dec. (2003) 1540-1543

13. M. Misra, H. Murakami, and M. Tonouchi“Electrically tunable compact high-Tc superconducting CPW resonator”IEE Electronic Lett., Vol.39, No.13 (2003) 990-991

14. M Misra, N D Kataria, H Murakami, and M Tonouchi "Analysis of a flip-chip bonded tunable high-temperature superconducting coplanar waveguide resonator using the conformal mapping technique" Superconductor Science and Technology Vol. 16 Feb. 24 (2003) 492-497

15. Y. Tominari, T. Kiwa, H. Murakami, M. Tonouchi, H. Wald, P. Seidel, H. Schneiderwind “Coherent THz radiation from Tl-2212 thin films excited by optical laser pulse under magnetic field” Physica C Vol. 388-389, 2003, 481-482

16. Y. Tominari, T. Kiwa, H. Murakami, M. Tonouchi, H. Wald, P. Seidel, H. Schneiderwind“THz Radiation Properties of Tl2Ba2CaCu2O8+d Thin Films Excited by Femtosecond Laser Pulses” IEEE Transaction on applies superconductivity Vol. 13, No. 2, June 2003, 3730-3733

17. H. Shimakage, A. Saito, A. Kawakami, Z. Wang “Preparation of As-Grown MgB2 Thin Films by Co-Evaporation Method at Low Substrate Temperature” IEEE Transactions on Applied Superconductivity, Volume 13 Issue 2 , June 2003, pp. 3309 -3312

18. H. Shimakage, A. Saito, A. Kawakami, Z. Wang “Optimizing preparation of as-grown MgB2 thin films made using the co-evaporation method” Physica C, Volume 392-396 Part 2 , October 2003, pp. 1291 -1295

19. K.Takahashi, N. Kida, M. Tonouchi “Fabrication and magneto-transport properties of La2-2xSr1+2xMn2O7 (x = 0.3) thin films” Physica B, Vol. 329-333, May 2003, pp. 912-913

20. K. Takahashi, N. Kida, M. Tonouchi, "Observation of a pseudogap at terahertz frequencies in the ferromagnetic metallic phase of La2-2xSr1+2xMn2O7 (x = 0.3)", Appl. Phys. Lett., Vol. 83, 24 November 2003, pp.4303-4305

21. K. Takahashi, N. Kida, M. Tonouchi, "Optical evidence of a pseudogap in the ferromagnetic metallic phase of the bilayered manganite", J. Magn. Magn. Mater., ,Vol272-276, 2004, E669.

22. Y.Doda, T. Kiwa, I. Kawayama, H. Murakami, M. Tonouchi, "Characteristics of superconducting flux flow transistors under irradiation of femtosecond laser pulses", Physica C 392-396 (2003)1504-1508

Papers of 2002

1. M. Tonouchi“Laser Power Dependence of Optical Magnetic Flux Generation in YBCO Thin Film Loops”Singapore Journal of Physics, 18(1) July (2002) 153-159

2. M. Tonouchi, N. Kawasaki, T. Yoshimura, H. Wald, P. Seidel “Pump and Probe Terahertz Generation Study of Ultrafast Carrier Dynamics in Low-Temperature Grown GaAs”Japanese Journal of Applied Physics Vol. 41 Part 2, No. 6B, 15 June (2002) L 706-L 709

3. H. Murakami, T. Kiwa, N. Kida, M. Tonouchi, T. Uchiyama, I. Iguchi, and Z. Wang “Partial and macroscopic phase coherence in underdoped Bi2Sr2CaCu2O8+δ thin film”Europhysics Letter 60 (2), (October. 15, 2002) 288-294.

4. H. Murakami, M. Tonouchi, T. Uchiyama, I. Iguchi, and Z. Wang“Ultrafast phase coherence in normal state of underdoped Bi2Sr2CaCu2O8+d”Journal of the Superconductivity, Vol.15, No.5, October. (2002) 345-350

5. H. Murakami, T.Yasuda, Y.Tominari, T. Kiwa, M. Tonouchi, T. Uchiyama, I. Iguchi, and Z. Wang“Relaxation dynamics of optically excited quasi-particles in BSCCO”

6. H. Murakami, T. Kiwa, M. Misra, M. Tonouchi, T. Uchiyama, I. Iguchi, and Z. Wang “THz pulse radiation properties of a HTS Bi2Sr2CaCu2O8+δ bow-tie antenna by optical pulse illumination”Jpn. J. Appl. Phys. Vol.41,?No.4A, April. (2002)1992-1997

7. Iwao Kawayama K. Kotani, and M. Tonouchi" Time-domain terahertz spectroscopy of SrBi2Ta2O9 thin films on MgO substrates "Jpn. J. Appl. Phys, Part 1, 11B (2002) 6803-6805 /li>

8. M. Misra, A. Moto, H. Murakami, M. Hangyo, and M. Tonouchi “Supercurrent distribution imaging system for HTS thin films utilizing femtosecond fiber laser”Physica C 378-381 (2002) 1287-1290

9. N. Kida and M. Tonouchi “Spectroscopic evidence for a charge-density-wave condensate in a charge-ordered manganite:Observation of a collective excitation mode in Pr0.7Ca0.3MnO3-d by using THz time-domain spectroscopy”, Phys. Rev. B, Vol.66, No.2 (2002) 244011-244018

10. H. Wald, F Schmidt, P Seidel, and M Tonouchi, “Terahertz radiation emitted by dipole antennas of YBa2Cu3O7-δ/PrBa2Cu3O7 multilayers” Supercondor Science and Technology 15 (2002) 1494-1498

11. H. Wald, P. Seidel, H. Schneidewind, Y. Tominari, H. Murakami, and M. Tonouchi,“Laser induced picosecond electrical pulse emission from Tl2Ba2CaCu2O8 thin film devices”Physica C 378-381 (2002) 372-376

12. T. Yasuda, T. Kawae. Yamashita, T. Uchiyama,I. Iguchi, M. Tonouchi, and S. Takano“Superconducting properties of Bi2Sr2CaCu2Ox films grown by liquid phase epitaxy”Physica C 378-381 (2002) 1265-1269

13. K. Sakuta, T. Fujii, K. Ogawa, H. Tamai, T. Kobayashi, M. Tonouchi, H. Itozaki, T. Nagaishi , andF. Kamitani“Design and feasibility test of unshielded HTS-SQUID system for magnetocardiogram diagnosis”Physica C 378-381 (2002) 1391-1395

14. T. Kiwa, T. Yoshimura, H. Murakami, and M. Tonouchi “Terahertz Emission Properties of Josephson Junction under Small Magnetic Field”Singapore Journal of Physics, Vol. 18, No. 1 July (2002) 161-164

15. Y. Tominari, T. Kiwa, H. Murakami, M. Tonouchi, H. Wald, P. Seidel, H. Schneiderwind “Resonant terahertz radiation from thin films Tl2Ba2CaCu2O8+d by ultrafast optical pulse excitation” Applied Physics Letters Vol. 80, No. 17, April 29, 2002, 3147-3149

16. K. Kotani, I. Kawayama and M. Tonouchi “Dielectric response of SrBi2Ta2O9 epitaxial thin films observed with interdigital electrodes” Japanese. Journal of Applied Physics, Vol. 41 Part 1, No. 11B, November (2002) 6790-6792.