White-noise quality evaluation in chaotic oscillation of Josephson junction for random-number generation D. Oikawa, H. Komatsu, K. Tsuzuki, H. Andoh Journal of Applied Physics, vol. 138, 143909, (2025).
Chaotic behavior in Josephson junction for high-quality random-number generation D. Oikawa, H. Komatsu, K. Tsuzuki, H. Andoh, T. Tsukamoto Journal of Applied Physics vol. 136(12) 123909, (2024).
BSCCO Terahertz Oscillators Controlled With Additional Heaters D. Oikawa, E. Dorsch, S. Guénon, D. Koelle, R. Kleiner IEEE Trans. Appl. Supercond. vol.34(4), 1100205, (2024).
Study of Superconducting System Under Hydrogen Demand for Carbon Neutral Port K. Tsuzuki, S. Yamada, Y. Matsumoto, D. Oikawa, T. Tsukamoto IEEE Trans. Appl. Supercond. vol.34(4), 3601804, (2024).
Improvement of Non-Uniform Temperature Distributions in Intrinsic Josephson Junction Stacks D. Oikawa, K. Tsuzuki, Y. Kumagai, H. Mitarai, H. Andoh, T. Sugiura, T. Tsukamoto IEEE Trans. Appl. Supercond. vol.31(5), 1500304, (2021).
Numerical analysis of temperature and current distributions in large-size intrinsic Josephson junctions with self-heating D. Oikawa, H. Mitarai, H. Tanaka, K. Tsuzuki, Y. Kumagai, T. Sugiura, H. Andoh, T. Tsukamoto AIP Advances vol.10(8), (2020).
Design of Bulk HTS Rotating Machine Using Closed-Circuit Magnetization K. Tsuzuki, Y. Suzuki, S. Yamamura, S. Kadowaki, D. Oikawa, H. Andoh, T. Tsukamoto IEEE Trans. Appl. Supercond. vol.29(5), 1-5, (2019).
Study on impedance matching and maximum wireless power transfer efficiency of circuits with resonant coupling based on simplified S-matrix H. Andoh, K. Tsuzuki, D. Oikawa, T. Sugiura, T. Tsukamoto, K. Maezawa IEICE Electronics Express, vol.16(11) 20190156, (2019).
Raman Spectroscopic Study of GaN Grown on (111)Si Using an AlInN Intermediate Layer by MOVPE T. Sugiura, S. Kawasaki, Y. Honda, T. Nonaka, D. Oikawa, T. Tsukamoto, H .Andoh, H. Amano, Book of abstracts ISGN-7(7th International Symposium on Growth of IIINitrides) Po01 (2018).
Experimental Evaluation of Self-Heating Effect in Intrinsic Josephson Junctions Using Pulse Current Measurements D. Oikawa, H. Tanaka, K. Tsuzuki, H. Andoh, T. Sugiura, T. Tsukamoto IEEE Trans. Appl. Supercond. vol.27(4) 9001005, (2017)
Heating Effect of Mesa-Type Intrinsic Josephson Junction Stacks using Pulse Current Measurement D. Oikawa, S. Iwatsuka, T. Sugiura, H. Andoh, T. Tsukamoto Physics Procedia vol.81, (2016).
Evaluation of Heating effect in Mesa-type Intrinsic Josephson Junctions Using Pulse Current Measurement Technique S. Iwatsuka, D. Oikawa, T. Sugiura, H. Andoh, T. Tsukamoto Proc. 5th International Symposium on Technology for Sustainability, Shah Alam, Paper ID:16 (2015).
Transport Properties of Melt-Cast-Processed Bi-2212 Bulk Superconductor D. Oikawa, Y. Higashi, H. Murotani, T. Sugiura, H. Andoh T. Tsukamoto IEEE Trans. Appl. Supercond., vol.25(3), 6800304, (2015).
Evaluation of self-heating effect in Bi-2212 intrinsic Josephson junctions stacks D. Oikawa, H. Murotani, T. Sugiura, H. Andoh, T. Tsukamoto Applied Superconductivity Conference (2014)
Size Dependence of Terahertz Electromagnetic Wave Radiation from Intrinsic Josephson Junctions D. Oikawa, A. Irie, K. Yamaki IEEE Trans. Appl. Supercond. vol. 23(3), 15000604,(2013).
Synthesis of BSCCO single crystal whiskers for terahertz em wave oscillators K. Yamaki, Ryosuke Fusegi, D. Oikawa, A. Irie IEEE Trans. Appl. Supercond. vol. 23(3), 15000504, (2013).
Terahertz electromagnetic radiation from Bi2 Sr2 CaCu2 Oy intrinsic Josephson junction stack D. Oikawa, A. Irie, K. Yamaki, G. Oya Physics Procedia vol.27, 312, (2012).
Thermionic energy converter system using heat flux in divertor region D. Oikawa, N. Ohno, S. Kajita, Makoto Takagi, Suguru Masuzaki, MasaY. Tokitani, K. Asano Plasma and Fusion Research vol.7 1405050, (2012)
Generation and detection of THz radiation using intrinsic Josephson junctions A. Irie, D. Oikawa, G. Oya Superconductivity Centlal Conference 2011 vol. 36, 199, (2012).
Terahertz electromagnetic radiation from Bi2Sr2CaCu2Oy intrinsic Josephson junction stack D. Oikawa, A. Irie, K. Yamaki, G. Oya Advances in Superconductivity XXIV vol.27, 312, (2012).
Generation and detection of THz radiation using intrinsic Josephson junctions A. Irie, D. Oikawa, G. Oya Physics Procedia, vol.36, 199, (2012).
2-D PIC Simulation on Electron Sheath Formation in Magnetized Plasmas K. Asano, S. Kajita, D. Oikawa, N. Ohno Journal of Plasma and Fusion Research Series vol.9 563, (2010).
編集中
国際会議
Fast Random-Number Generation using Chaos in Intrinsic Josephson Junction under Irradiation with High Frequency, D. Oikawa, H. Komatsu, K. Tsuzuki, H. Andoh, 17th European Conference on Applied Superconductivity (ECUAS2025), 2EP-JJ1-15, Porto, (2025).
Electromagnetic Design of kW-Class HTS Rotating Machines for Carbon-Neutral Ports, K. Tsuzuki, M. Izumi, T. Ida, D. Oikawa, 17th European Conference on Applied Superconductivity (ECUAS2025), 2LP-RM2-15, Porto, (2025).
Chaotic behaviour in intrinsic Josephson junction toward high speed random number generator, D. Oikawa, H. Komatsu, K. Tsuzuki, H. Andoh, T. Tsukamoto, 17th International Symposium on Superconductivity (ISS2024), EDP2-8, Kanazawa, (2024).
Evaluation of Port Energy Systems with HTS Generators and Hydrogen Integration Using MATLAB-Based Optimization, K. Tsuzuki, Yamato Miwa, D. Oikawa, H. Andoh, T. Tsukamoto, 37th International Symposium on Superconductivity (ISS2024), APP1-10, Kanazawa, (2024).
Bi2Sr2CaCu2Oy Terahertz Oscillators Controlled With Additional Heaters, D. Oikawa, E. Dorsch, S. Guénon, D. Koelle, R. Kleiner, 16th European Conference on Applied Superconductivity (EUCAS2023), 2-EP-JJ-13S, Bologna, (2023).
Synchronization of intrinsic Josephson junctions in terahertz electromagnetic wave oscillators with non‐uniform temperature distributions, D. Oikawa, K. Tsuzuki, Y. Kumagai, H. Mitarai, H. Andoh, T. Sugiura, T. Tsukamoto, the 15th European Conference on Applied Superconductivity (EUCAS2021), #320, (Moskva) virtual (2021).
Experimental study on magnetic field distribution of high temperature superconducting stacked‐tape curved magnet for rotating machine, K. Tsuzuki, D., Oikawa, H. Andoh, T. Tsukamoto, the 15th European Conference on Applied Superconductivity (EUCAS2021), #573, (Moskva) virtual (2021).
Enhancement of Trapped Flux Property using Stacked 12 mm Gd123 Tape for Field-pole Magnet, Takahiro Iwatsuki, K. Tsuzuki, Norihito Kambe, D. Oikawa, T. Tsukamoto, H. Andoh, 33th International symposium on Superconductivity, WB6-3, Fukuoka, (2020).
Study of Decision-Making Algorithm using Monte Carlo Tree Search for RoboCup Soccer Small Size Robots, Y. Naito, T. Sugiura, M. Watanabe, D. Oikawa, T. Tsukamoto, H. Andoh, International Conference on Engineering and Industrial Technology (ICEIT2020), Pattaya Thailand, P71-T4A (2020).
Application of Artificial Voice to the Game Reporter System in RoboCup Soccer Small Size League, A. Odanaka, T. Sugiura, D. Oikawa, T. Tsukamoto, H. Andoh, International Conference on Engineering and Industrial Technology (ICEIT2020), Pattaya Thailand, P74-T4A (2020).
Non-Uniform Temperature Distributions in Intrinsic Josephson Junction Stacks, D. Oikawa, K. Tsuzuki, Y. Kumagai, H. Mitarai, H. Andoh, T. Sugiura, T. Tsukamoto, Applied Superconductivity Conference 2020., Wk2EPo3B-07, (Tampa) virtual (2020).
Evaluation of 2G Magnetizing coil and stacked field-pole for Fully HTS Radial Machines, K. Tsuzuki, S. Kadowaki, Takahiro Iwatsuki, D. Oikawa, H. Andoh, T. Tsukamoto, Applied Superconductivity Conference 2020., Wk1LPo3E-08, (Tampa) virtual (2020)
Impedance matching based on simplified S-matrix for maximizing wireless power transfer efficiency, H. Andoh, K. Tsuzuki, D. Oikawa, T. Sugiura, T. Tsukamoto, K. Maezawa, International Conference on Engineering and Industrial Technology 2020, P86-T4A (2020).
Raman Spectroscopic Study of GaN Grown on (111)Si Using an AlInN Intermediate Layer by MOVPE, T. Sugiura, S. Kawasaki, Y. Honda, T. Nonaka, D. Oikawa, T. Tsukamoto, H. Andoh and H. Amano, 7th International Symposium on Growth of IIINitrides, Warsaw, Po01, (2018).
THz electromagnetic wave radiation from intrinsic Josephson junction stacks in Bi2212 whisker, D. Oikawa, Tanaka H., Tsuzuki K., Andoh H., Sugiura T., Tsukamoto T., Applied Superconductivity Conference 2018., 3EPo2C-08, Seattle (2018).
Study of Closed-Circuit Magnetization with Trapezoidal-shaped Bi2223 Winding for Rotating Machin, K. Tsuzuki, Y. Suzuki, S. Yamamura, S. Kadowaki, D. Oikawa, H. Andoh, T. Tsukamoto, Applied Superconductivity Conference 2018., 1LPo2K-08, Seattle (2018).
Raman Spectroscopic Study of GaN Grown on (111)Si Using an AlInN In- termediate Layer by MOVPE, T. Sugiura, S. Kawasaki, Y.Honda, T.Nonaka, D. Oikawa, T. Tsukamoto, H. Andoh, Hiroshi Amano, Book of abstracts ISGN-7(7th International Symposium on Growth of IIINitrides) Po01 (2018).
Experimental Evaluation of Self-heating Effect in Intrinsic Josephson Junctions using Pulse Current Measurement, D. Oikawa, H. Andoh, T. Sugiura, T. Tsukamoto, Applied Superconductivity Conference 2016, 4EPo1E-01, Denver (2016)[invited]
Effect of Pr Additions to Li-doped Bi2212 Bulk Superconductors Sintered at Low Temperature, Akihiro Miura, D. Oikawa, H. Andoh, T. Sugiura, T. Tsukamoto, International Superconductivity Symposium 2015, PCP-54Funabori (2015).
Heating Effect of Mesa- Type Intrinsic Josephson Junction Stacks using Pulse Current Measurement, D. Oikawa, T. Sugiura, H. Andoh and T. Tsukamoto, International Superconductivity Symposium 2015, FDP-09, Funabori (2015).
Quench Properties of Bi-2212 Bulk Superconductors Doped with K2CO3 Using Melt Casting Process, D. Oikawa, Y. Shimoie, T. Sugiura, H. Andoh, T. Tsukamoto, International Superconductivity Symposium 2015, PCP-53, Funabori (2015).
Evaluation of Heating effect in Mesa- type Intrinsic Josephson Junctions Using Pulse Current Measurement Technique, S. Iwatsuka, D. Oikawa, T. Sugiura, H. Andoh, T. Tsukamoto, 5th International Symposium on Technology for Sustainability, Shah Alam, Paper ID:16 (2015).
Transport Properties of Melt Cast Pro-cessed Bi2212 Bulk Superconductor Bars, D. Oikawa, Y. Higashi, H. Murotani, T. Sugiura, H. Andoh, T. Tsukamoto, Applied Superconductivity Conference 2014, Charlotte, (2014).
Evaluation of self-heating effect in Bi-2212 intrinsic Josephson junctions stacks, D. Oikawa, H. Murotani, T. Sugiura, H. Andoh, T. Tsukamoto, Applied Superconductivity Conference 2014, Charlotte, (2014).
Size dependence of terahertz electromagnetic radiation from intrinsic Josephson junctions, D. Oikawa, A. Irie and K. Yamaki, Applied Superconductivity Conference 2012, Portland, (2012).
Synthesize of BSCCO Single Crystal Whiskers for Terahertz EM Wave oscil- lators, K. Yamaki, Ryosuke Fusegi, D. Oikawa and A. Irie, Applied Superconductivity Conference 2012, Portland, (2012).
Synthesize of BSCCO single crystal whiskers for S/F hybrid spin transistor, K. Yamaki, Ryosuke Fusegi, Masakazu Nakamura, D. Oikawa, A. Irie, 11th International Symposium on High Temperature Superconductors in High Frequency Field, Matsushima, (2012).
Terahertz electromagnetic wave emission and detection using mesa-type intrinsic Josephson junctions, D. Oikawa, A. Irie, K. Yamaki and G. Oya, The 6th East Asia Symposium on Superconductor Electronics, Yonezawa, (2011).
Terahertz electromagnetic radiation from Bi2Sr2CaCu2Oy intrinsic Josephson junction stack, D. Oikawa, A. Irie, K. Yamaki and G. Oya, 24th International Symposium on Superconductivity, Funabori, (2011).
Generation and detection of THz radiation using intrinsic Josephson junctions, A. Irie, D. Oikawa and G. Oya, Superconductivity Central Conference, Hague, (2011).