Original Papers: 論文発表

  1. S. J. Oon, Y. Naruko, K. Yamaguchi, and Y. Mizugaki,
    “Quantum Dot Density Dependence of Physical Reservoir Performance in In-Plane InAs Quantum Dot Networks,”
    submitted to somewhere.

  2. Y. Mizugaki, K. Sato, and H. Shimada,
    “Operation of RSFQ Hardware Random Number Generator Comprising Two Josephson Oscillators,”
    IEICE Transactions on Electronics, vol. E108-C, no. 6, pp. 354–357, June, 2025.
    DOI: https://doi.org/10.1587/transele.2024SES0001
    C-RECS: https://uec.repo.nii.ac.jp/records/2000803

  3. T. Iizuka, J. Tanarom, Y. Mizugaki, and H. Shimada,
    “Lateral Phonon Propagation between superconducting devices on a Si/SiO2 substrate,”
    Journal of Applied Physics, vol. 137, no. 15, 155303 (10 pages), April, 2025.
    DOI: https://doi.org/10.1063/5.0260806

  4. Y. Hayashi, H. Shimada, and Y. Mizugaki,
    “Information Processing Capabilities of Two Parallel Gold-nanoparticle Reservoirs Dependent on Operation Temperatures,”
    Japanese Journal of Applied Physics, vol. 64, no. 2, 02SP42 (5 pages), February, 2025.
    DOI: https://doi.org/10.35848/1347-4065/adb29a
    C-RECS: https://uec.repo.nii.ac.jp/records/2000554

  5. 林 誠也, 島田 宏, 水柿義直,
    “単一磁束量子パルス周波数変調型D/A変換器のGHz信号生成回路への応用,”
    電子情報通信学会 和文論文誌C, vol. J107-C, no. 10, pp. 330–335, October, 2024.
    DOI: https://doi.org/10.14923/transelej.2024JCF6001
    C-RECS: https://uec.repo.nii.ac.jp/records/2000541

  6. K. Kobayashi, H. Shimada, and Y. Mizugaki,
    “Physical Reservoir Application of Random Network of Gold Nanoparticles Fabricated by Multi-Step Immersion in Gold Colloidal Solution,”
    Japanese Journal of Applied Physics, vol. 63, no. 6, 064501 (6 pages), June, 2024.
    DOI: https://doi.org/10.35848/1347-4065/ad4cca
    C-RECS: https://uec.repo.nii.ac.jp/records/2000543

  7. K. Watanabe, Y. Mizugaki, S. Moriya, H. Yamamoto, T. Yamashita, and S. Sato,
    “Numerical Study on Physical Reservoir Computing with Josephson Junctions,”
    IEEE Transactions on Applied Superconductivity, vol. 34, no. 3, 1700204 (4 pages), January, 2024.
    DOI: https://doi.org/10.1109/TASC.2024.3350576

  8. Y. Mizugaki, K. Fujikura, and H. Shimada,
    “Nonlinear Signal Conversion in Gold-Nanoparticle Random Array for Physical Reservoir Applications,”
    Japanese Journal of Applied Physics, vol. 63, no.1, 01SP35 (5 pages), January, 2024.
    DOI: https://doi.org/10.35848/1347-4065/acfefe
    C-RECS: https://uec.repo.nii.ac.jp/records/2000542

  9. 浦江哲也, 島田 宏, 水柿義直,
    “マイクロコントローラを利用した金ナノ粒子誘電泳動の自動停止機構,”
    電子情報通信学会 和文論文誌C, vol. J105-C, no. 11, pp. 339–341, November. 2022.
    DOI: https://doi.org/10.14923/transelej.2022JCF6001
    C-RECS: https://uec.repo.nii.ac.jp/records/10339

  10. Y. Mizugaki, N. Sega, and H. Shimada,
    “100 GHz operation of a 4-bit single-flux-quantum pulse-frequency modulator designed for bipolar D/A conversion,”
    IEICE Electronics Express (ELEX), vol. 19, no. 12, 20220194 (4 pages), June, 2022.
    DOI: https://doi.org/10.1587/elex.19.20220194
    C-RECS: https://uec.repo.nii.ac.jp/records/10337

  11. K. Sato, N. Sega, Y. Somei, H. Shimada, T. Onomi, and Y. Mizugaki,
    “Evaluation of True Random Number Generator Utilizing Timing Jitters in RSFQ Logic Circuits,”
    IEICE Transactions on Electronics, vol. E105-C, no. 6, pp. 296–299, June, 2022.
    DOI: https://doi.org/10.1587/transele.2021SES0001
    C-RECS: https://uec.repo.nii.ac.jp/records/10338

  12. J. Tanarom, T. Watanabe, Y. Mizugaki and H. Shimada,
    “Sensitive phonon detection using a single Cooper-pair transistor,”
    Applied Physics Express (APEX), vol. 15, no. 6, 064001 (5 pages), June, 2022.
    DOI: https://doi.org/10.35848/1882-0786/ac6930
    supplementary information: http://stacks.iop.org/APEX/15/064001/mmedia

  13. S. Nagasawa, M. Tanaka, N. Takeuchi, Y. Yamanashi, S. Miyajima, F. China, T. Yamane, K. Yamazaki, Y. Somei, N. Sega, Y. Mizugaki, H. Myoren, H. Terai, M. Hidaka, N. Yoshikawa, and A. Fujimaki,
    “Planarized Nb 4-Layer Fabrication Process for Superconducting Integrated Circuits and Its Fabricated Device Evaluation,”
    IEICE Transactions on Electronics, vol. E104-C, no. 9, pp. 435–445, September, 2021.
    DOI: https://doi.org/10.1587/transele.2020SUP0001

  14. Y. Somei, H. Shimada, and Y. Mizugaki,
    “Enhanced Operation Frequencies of Bipolar Double-Flux-Quantum Amplifiers Fabricated Using 10-kA/cm2 Nb/AlOx/Nb Integration Process,”
    Japanese Journal of Applied Physics, vol. 60, no. 7, 073001 (7 pages), July, 2021.
    DOI: https://doi.org/10.35848/1347-4065/ac0450
    C-RECS: https://uec.repo.nii.ac.jp/records/10074

  15. J. Tanarom, Y. Mizugaki, and H. Shimada,
    “Scalability of supercurrent modulable with single Cooper-pair transistors connected in parallel,”
    Japanese Journal of Applied Physics, vol. 60, no. 7, 074003 (7 pages), July, 2021.
    DOI: https://doi.org/10.35848/1347-4065/ac099e

  16. H. Shimada, T. Koike, K. Kikkawa, H. Konno, N. Ito, R. Kobayashi, Y. Mizugaki, K. Kanomata, M. Miura, and F. Hirose,
    “Nanoscale Tunnel Junctions and Metallic Single-Electron Transistors Via Shadow Evaporation and in-situ Atomic Layer Deposition of Tunnel Barriers,”
    ACS Applied Nano Materials, vol. 4, no. 2, pp. 1401–1410, February, 2021.
    DOI: https://dx.doi.org/10.1021/acsanm.0c02937

  17. G. M. Kanyolo, K. Takeda, Y. Mizugaki, T. Kato, and H. Shimada,
    “Cooper-Pair Tunneling in Small Josephson Junction Arrays under Radio-Frequency-Microwave Irradiation,”
    Journal of Low Temperature Physics, vol. 200, pp. 269–284, November, 2020.
    DOI: https://doi.org/10.1007/s10909-020-02486-3

  18. T. Onomi and Y. Mizugaki,
    “Hardware Random Number Generator using Josephson Oscillation and SFQ Logic Circuits,”
    IEEE Transactions on Applied Superconductivity, vol. 30, no. 7, 130305 (5 pages), October, 2020.
    DOI: https://doi.org/10.1109/TASC.2020.2992248
    C-RECS: https://uec.repo.nii.ac.jp/records/9708

  19. Y. Mizugaki, K. Yamazaki, and H. Shimada,
    “Rapid Single-Flux-Quantum NOR Logic Gate Realized through the Use of Toggle Storage Loop,”
    IEICE Transactions on Electronics, vol. E103-C, no. 10, pp. 547–549, October, 2020.
    DOI: https://doi.org/10.1587/transele.2020ECS6005
    C-RECS: https://uec.repo.nii.ac.jp/records/9712

  20. Y. Tomioka, S. Takashima, M. Moriya, H. Shimada, F. Hirose, A. Hirano-Iwata, and Y. Mizugaki,
    “Capacitance extraction method of a free-standing bilayer lipid membrane formed over an aperture in a nanofabricated silicon chip,”
    Japanese Journal of Applied Physics, vol. 59, no. SI, pp. SIIK02-1–5, June, 2020.
    DOI: https://doi.org/10.35848/1347-4065/ab79f0
    C-RECS: https://uec.repo.nii.ac.jp/records/9714

  21. Y. Mizugaki, M. Moribayashi, T. Yagai, M. Moriya, H. Shimada, A. Hirano-Iwata, and F. Hirose,
    “Dielectrophoretic Assembly of Gold Nanoparticle Arrays Evaluated in Terms of Room-Temperature Resistance,”
    IEICE Transactions on Electronics, vol. E103-C, no. 2, pp. 62–65, February, 2020.
    DOI: https://doi.org/10.1587/transele.2019ECS6011
    C-RECS: https://uec.repo.nii.ac.jp/records/9720

  22. Y. Mizugaki, K. Higuchi, and H. Shimada,
    “Enhanced voltage swing of rapid-single-flux-quantum distributed output amplifier equipped with double-stack superconducting quantum interference devices,”
    IEICE Electronics Express (ELEX), vol. 16. no. 14, 20190331 (1–4), July, 2019.
    DOI: https://doi.org/10.1587/elex.16.20190331

  23. T. Yagai, K. Matsumoto, M. Moriyabashi, M. Moriya, H. Shimada, A. Hirano-Iwata, F. Hirose, and Y. Mizugaki,
    “Evaluation of inter-particle distance of gold nanoparticles dispersed on silane-treated substrates to fabricate dithiol-connected arrays,”
    Japanese Journal of Applied Physics, vol. 58, no. SD, pp. SDDF09-1–6, June, 2019. (published online May 21, 2019)
    DOI: https://doi.org/10.7567/1347-4065/ab1476
    C-RECS: https://uec.repo.nii.ac.jp/records/9370

  24. Y. Tomioka, S. Takashima, M. Moriya, H. Shimada, F. Hirose, A. Hirano-Iwata, and Y. Mizugaki,
    “Equivalent circuit model modified for free-standing bilayer lipid membranes beyond 1 TΩ,”
    Japanese Journal of Applied Physics, vol. 58, no. SD, pp. SDDK02-1–6, June, 2019. (published online April 26, 2019)
    DOI: https://doi.org/10.7567/1347-4065/ab088c
    C-RECS: https://uec.repo.nii.ac.jp/records/9369

  25. Y. Mizugaki, Y. Arai, T. Watanabe, and H. Shimada,
    “1000-fold double-flux-quantum voltage multiplier employing directional propagation of flux quanta through asymmetrically-damped junction branches,”
    IEEE Transactions on Applied Superconductivity, vol. 29, no. 5, pp. 1400105-1–5, August, 2019. (Date of Publication: 28 January 2019)
    DOI: https://doi.org/10.1109/TASC.2019.2895606
    C-RECS: https://uec.repo.nii.ac.jp/records/9368

  26. Y. Mizugaki, H. Shimada, A. Hirano-Iwata, and F. Hirose,
    “Numerical simulation of single-electron tunneling in random arrays of small tunnel junctions formed by percolation of conductive nanoparticles,”
    IEICE Transactions on Electronics, vol. E101-C, no. 10, pp. 836–839, October, 2018.
    DOI: https://doi.org/10.1587/transele.E101.C.836
    C-RECS: https://uec.repo.nii.ac.jp/records/8910

  27. Y. Mizugaki, K. Matsumoto, M. Moriya, H. Shimada, A. Hirano-Iwata, and F. Hirose,
    “One-dimensional array of small tunnel junctions fabricated using 30-nm-diameter gold nanoparticles placed in a 140-nm-wide resist groove,”
    Japanese Journal of Applied Physics, vol. 57, no. 9, pp. 098006-1–3, September, 2018. (online, August 8)
    DOI: https://doi.org/10.7567/JJAP.57.098006
    C-RECS: https://uec.repo.nii.ac.jp/records/8911

  28. Tran T. T. Huong, K. Matsumoto, M. Moriya, H. Shimada, Y. Kimura, A. Hirano-Iwata, and Y. Mizugaki,
    “Fabrication of Resistively-Coupled Single-Electron Device Using an Array of Gold Nanoparticles,”
    Applied Physics A (Materials Science & Processing), vol. 123, no. 8, 557 (7 pages), August, 2017. (on-line: July 31, 2017)
    DOI: http://dx.doi.org/10.1007/s00339-017-1171-3
    C-RECS: https://uec.repo.nii.ac.jp/records/8904

  29. Tran T. T. Huong, K. Matsumoto, M. Moriya, H. Shimada, Y. Kimura, A. Hirano-Iwata, and Y. Mizugaki,
    “Gate-tuned negative differential resistance observed at room temperature in an array of gold nanoparticles,”
    Applied Physics A (Materials Science & Processing), vol. 123, no. 4, 268 (5 pages), April, 2017. (on-line: March 22, 2017)
    DOI: http://dx.doi.org/10.1007/s00339-017-0891-8
    C-RECS: https://uec.repo.nii.ac.jp/records/8908

  30. Y. Mizugaki, T. Watanabe, H. Shimada, and M. Moriya,
    “Single-Flux-Quantum Bipolar Digital-to-Analog Converter Comprising Polarity-Switchable Double-Flux-Quantum Amplifier,”
    IEEE Transactions on Applied Superconductivity, vol. 27, no. 4, 1400104 (4 pages), June, 2017 (on line: November 24, 2016).
    DOI: http://dx.doi.org/10.1109/TASC.2016.2625739
    C-RECS: https://uec.repo.nii.ac.jp/records/8909
    UEC e-Bulletin http://www.ru.uec.ac.jp/e-bulletin/research-highlights/2017/digital-to-analog-convertors.html

  31. M. Takiguchi, H. Shimada, and Y. Mizugaki,
    “Sharp Switching Characteristics of Single Electron Transistor with Discretized Charge Input,”
    Applied Sciences, vol.6, no.8, 214 (8 pages), August, 2016. (on-line: July 29, 2016)
    DOI: http://dx.doi.org/10.3390/app6080214

  32. M. Moriya, Tran T. T. Huong, K. Matsumoto, H. Shimada, Y. Kimura, A. Hirano-Iwata, and Y. Mizugaki,
    “Fabrication of single electron devices using dispersed nanoparticles and fitting experimental results to values calculated based on percolation model,”
    Applied Physics A (Materials Science & Processing), vol.122, no.8, 756 (7 pages), August, 2016.
    DOI: http://dx.doi.org/10.1007/s00339-016-0285-3
    C-RECS: https://uec.repo.nii.ac.jp/records/9007

  33. Y. Mizugaki, K. Sawada, T. Watanabe, and H. Shimada,
    “Experimental demonstration of single-flux-quantum sequential-access mask ROM,”
    IEICE Electronics Express (ELEX), vol.13, no.12, pp.20160342-1–6, May, 2016.
    DOI: http://doi.org/10.1587/elex.13.20160342

  34. H. Shimada, S. Katori, S. Gandrothula, T. Deguchi, and Y. Mizugaki,
    “Bloch oscillation in a one-dimensional array of small Josephson junctions,”
    Journal of Physical Society of Japan, vol. 85, no. 7, 074706 (6 pages), July 2016. (on line: June 20, 2016)
    DOI: http://dx.doi.org/10.7566/JPSJ.85.074706

  35. Y. Mizugaki and T. Watanabe,
    “Design and Operation of a Double-Flux-Quantum Amplifier Excluding Flux Bias Lines,”
    IEEE Transactions on Applied Superconductivity. vol. 26, no. 5, 1301104 (4 pages), August, 2016 (on line: June 3, 2016).
    DOI: http://dx.doi.org/10.1109/TASC.2016.2565602

  36. Y. Mizugaki, T. Watanabe, and H. Shimada,
    “Superconducting bipolar digital-to-analog converter equipped with dual double-flux-quantum amplifier,”
    IEICE Electronics Express (ELEX), vol.13, no.10, pp.20160242-1–6, May, 2016.
    DOI: http://dx.doi.org/10.1587/elex.13.20160242

  37. Y. Mizugaki, Y. Mutoh, Y. Urai, K. Sawada, and T. Watanabe,
    “Three Parallel Generation of a 4-bit M-Sequence Using Single-Flux-Quantum Digital Circuits,”
    IEEE Transactions on Applied Superconductivity, vol. 26, no. 5, 1300504 (4 pages), August, 2016 (on line: March 1, 2016). 
    DOI: http://dx.doi.org/10.1109/TASC.2016.2536737

  38. Tran T. T. Huong, H. Shimada, and Y. Mizugaki,
    “Improvement of Single-Electron Digital Logic Gates by Utilizing Input Discretizers,”
    IEICE Transactions on Electronics, vol.E99-C, No.2, pp.285–292, Febuary, 2016.
    DOI: http://dx.doi.org/10.1587/transele.E99.C.285

  39. Tran T. T. Huong and Y. Mizugaki,
    “A single-electron hysteretic inverter designed for enhancement of stochastic resonance,”
    IEICE Electronics Express (ELEX), vol.12, no.17, pp.20150527-1–12, September, 2015.
    DOI: http://dx.doi.org/10.1587/elex.12.20150527

  40. T. Watanabe, Y. Urai, H. Shimada, and Y. Mizugaki,
    “Pulse response of mutually-coupled dc-to-SFQ converter investigated using an on-chip pulse generator,”
    IEICE Transactions on Electronics, vol.E98-C, no.3, pp.238–241, March, 2015.
    DOI: http://dx.doi.org/10.1587/transele.E98.C.238

  41. Y. Mizugaki, Y. Takahashi, H. Shimada, and M. Maezawa,
    “9-bit superconductive single-flux-quantum digital-to-analogue converter,”
    Electronics Letters, vol.50, no.22, pp.1637–1639, October, 2014.
    DOI: http://dx.doi.org/10.1049/el.2014.1926

  42. H. Shimada, K. Miyawaki, A. Hagiwara, K. Takeda, and Y. Mizugaki,
    “Characterization of superconducting single-electron transistors with small Al/AlOx/V Josephson junctions,”
    Superconductor Science and Technology, vol.27, no.11, pp.115015-1–8, November, 2014.
    DOI: http://dx.doi.org/10.1088/0953-2048/27/11/115015

  43. Y. Mizugaki, Y. Sato, H. Shimada, and M. Maezawa,
    “Input-Output Characteristics of a 999-Stage Double-Flux-Quantum Amplifier Designed for 1000-Fold Voltage Multiplication,”
    Japanese Journal of Applied Physics, vol.53, no.5, pp.053101-1–4, May, 2014.
    DOI: http://dx.doi.org/10.7567/JJAP.53.053101

  44. M. Takiguchi, H. Shimada, and Y. Mizugaki,
    “Correlation between Polarity of Magnetoresistance Ratio and Tunnel Resistance in Ferromagnetic Single-Electron Transistor with Superconductive Island,”
    Japanese Journal of Applied Physics, vol.53, no.4, pp.043101-1–4, April, 2014.
    DOI: http://dx.doi.org/10.7567/JJAP.53.043101

  45. Y. Mizugaki, H. Takahashi, and H. Shimada,
    “Zero-crossing Shapiro step generated in a niobium in-line Josephson gate,”
    IEICE Electronics Express (ELEX), vol.11, no.6, pp.20140054-1–5, March, 2014.
    DOI: http://dx.doi.org/10.1587/elex.11.20140054

  46. Y. Takahashi, H. Shimada, M. Maezawa,and Y. Mizugaki,
    “Demonstration of 6-bit, 0.20-mVpp Quasi-Triangle Voltage Waveform Generator Based on Pulse-Frequency Modulation,”
    IEICE Transactions on Electronics, vol.E97-C, no.3, pp.194–197, March, 2014.
    DOI: http://dx.doi.org/10.1587/transele.E97.C.194

  47. 滝口将志, 水柿義直,
    “微小トンネル接合列の離散的な電荷特性を利用した単一電子シュミットトリガの設計,”
    電子情報通信学会 和文論文誌C, vol.J97-C, no.3, pp.112–117, March, 2014.

  48. K. Takeda, C. Ishida, S. Gandrothula, Y. Mizugaki, and H. Shimada,
    “Precision improvement of the current multiplier based on the quantum current-mirror effect,”
    Japanese Journal of Applied Physics vol.53, no.1, pp.023101-1–7, January, 2014.
    DOI: http://dx.doi.org/10.7567/JJAP.53.023101

  49. Y. Mizugaki, K. Kuroiwa, M. Moriya, H. Shimada, and M. Maezawa,
    “5-Bit Quasi-Sinusoidal Voltage Waveform Synthesized Using Single-Flux-Quantum Pulse-Frequency Modulation,”
    IEEE Transactions on Applied Superconductivity, vol.23, no.3, 1300804 (4 pages), June, 2013.
    DOI: http://dx.doi.org/10.1109/TASC.2012.2234362

  50. Y. Mizugaki, N. Tamura, and H. Shimada,
    “Bias-Voltage Dependence of Magnetoresistance Enhancement in a Single-Electron Transistor Comprising Two Cobalt Leads and an Aluminum Island,”
    Journal of Applied Physics, vol.113, no.15, pp.156101-1–3, April, 2013. DOI: http://dx.doi.org/10.1063/1.4801806

  51. M. Moriya, H. Takizawa, and Y. Mizugaki,
    “Balanced ternary quantum voltage generator based on zero crossing Shapiro steps in asymmetric two-junction SQUIDs,”
    IEICE Transactions on Electronics, vol.E96-C, no.3, pp.334–337, March, 2013.
    DOI: http://dx.doi.org/10.1587/transele.E96.C.334

  52. Y. Mizugaki, K. Kikuchi, M. Moriya, and H. Shimada,
    “Effect of charging energy on critical current of dc-SQUID comprising two sub-micron aluminum Josephson junctions,”
    Physica C, vol.484, pp.206–208, January, 2013.
    DOI: http://dx.doi.org/10.1016/j.physc.2012.02.009

  53. S. Gandrothula, K. Nakamura, M. Takiguchi, Y. Mizugaki, and H. Shimada,
    “Current Multiplication Using Arrays of Small Josephson Junctions,”
    Japanese Journal of Applied Physics, vol.51, no.12, pp.123101-1–5, December, 2012.
    DOI: http://dx.doi.org/10.1143/JJAP.51.123101

  54. H. Shimada, C. Ishida, and Y. Mizugaki,
    “Drag current reversal in capacitively coupled arrays of small Josephson junctions,”
    Physical Review Letters, vol.109, no.19, pp.196801-1–5, November, 2012.
    DOI: http://dx.doi.org/10.1103/PhysRevLett.109.196801

  55. K. Kuroiwa, M. Kadowaki, M. Moriya, H. Shimada, and Y. Mizugaki,
    “Estimation of Nb junction temperature raised due to thermal heat from bias resistor,”
    IEICE Transactions on Electronics, vol.E95-C, no.3, pp.355–359, March, 2012.
    DOI: http://dx.doi.org/10.1587/transele.E95.C.355

  56. Y. Mizugaki,
    “Average Voltage Measurements of Periodic Blocking Oscillation in Resistive Superconducting Quantum Interference Device Connected to Josephson Transmission Line,”
    Japanese Journal of Applied Physics, vol.51, no.3, 038001-1–2, March, 2012.
    DOI: http://dx.doi.org/10.1143/JJAP.51.038001

  57. Y. Mizugaki,
    “Blocking charge oscillation in a series array of two tiny tunnel junctions with a resistive ground path from its island electrode,”
    IEEE Transactions on Nanotechnology, vol.11, no.1, pp.194–199, January, 2012.
    DOI: http://dx.doi.org/10.1109/TNANO.2011.2169984

  58. Y. Mizugaki, J. Saito, M. Moriya, and M. Maezawa,
    “Design and operation of 64-fold variable single-flux-quantum pulse number multiplier,”
    IEEE Transactions on Applied Superconductivity, vol.21, no.6, pp.3604–3607, December, 2011.
    DOI: http://dx.doi.org/10.1109/TASC.2011.2166396

  59. J. Saito, T. Tanaka, M. Moriya, T. Kobayashi, Y. Mizugaki, and M. Maezawa,
    “Design and functional tests of variable SFQ pulse number multiplier,”
    Physica C, vol.471, no.21–22, pp.1270–1273, November, 2011. DOI: http://dx.doi.org/10.1016/j.physc.2011.05.176

  60. Y. Mizugaki, T. Tanaka, J. Saito, T. Kobayashi, M. Moriya, and M. Maezawa,
    “Design and operation of voltage quadrupler cell for rapid-single-flux-quantum digital-to-analog converters,”
    Physica C, vol.471, no.21–22, pp.1267–1269, November, 2011. DOI: http://dx.doi.org/10.1016/j.physc.2011.05.175

  61. K. Kuroiwa, M. Moriya, T. Kobayashi, and Y. Mizugaki,
    “Evaluation of two methods for suppressing ground current in superconducting integrated circuits,”
    IEICE Transactions on Electronics, vol.E94-C, no.3, pp.296–300, March, 2011.
    DOI: https://doi.org/10.1587/transele.E94.C.296

  62. Y. Mizugaki,
    “Numerical demonstration of relaxation oscillation in a resistive superconducting quantum interference device with two nonhysteretic Josephson junctions,”
    IEEE Transactions on Applied Superconductivity, vol.20, no.5, pp.2322–2326, October, 2010.
    DOI: https://doi.org/10.1109/TASC.2010.2060333

  63. Y. Mizugaki, A. Kawai, R. Kashiwa, M. Moriya, and T. Kobayashi,
    “Analytical Inductance Calculation of Superconducting Stripline by Use of Transformation into Perfect Conductor Model,”
    IEICE Transactions on Electronics, vol.E93-C, no.4, pp.486–488, April, 2010.
    DOI: https://doi.org/10.1587/transele.E93.C.486

  64. 田村伸行, 滝口将志, 島田 宏, 水柿義直,
    “ホットエレクトロン効果を考慮した微小トンネル接合2次元アレイの微分コンダクタンス特性,”
    電子情報通信学会 和文論文誌C, vol.J92-C, no.9, pp.534–536, September, 2009.
    https://search.ieice.org/bin/summary.php?id=j92-c_9_534

  65. 河合章生, 柏竜太, 守屋雅隆, 小林忠行, 水柿義直,
    “ニオブ集積回路における平行線路間の相互インダクタンス評価,”
    電子情報通信学会 和文論文誌C, vol.J92-C, no.9, pp.523–530, September, 2009.

  66. Y. Mizugaki, R. Kashiwa, A. Kawai, M. Moriya, K. Usami, and T. Kobayashi,
    “Magnetic Isolation Enhanced by a Superconducting Loop in Josephson Integrated Circuits,”
    Japanese Journal of Applied Physics, vol.48, no.7, pp.073001-1–5, July, 2009.
    DOI: https://doi.org/10.1143/JJAP.48.073001

  67. H. Shimada, S. Hanadou, T. Kawai, H. Kido, and Y. Mizugaki,
    “Current Doublers based on the Quantum Current-Mirror Effect,”
    Japanese Journal of Applied Physics, vol.47, no.10, pp.8131–8136, October, 2008.
    DOI: https://doi.org/10.1143/JJAP.47.8131

  68. Y. Mizugaki, M. Takiguchi, S. Hayami, A. Kawai, M. Moriya, K. Usami, T. Kobayashi, and H. Shimada,
    “Single-Electron Devices with Input Discretizer,”
    IEEE Transactions on Nanotechnology, vol.7, no.5, pp.601–606, September, 2008.
    DOI: https://doi.org/10.1109/TNANO.2008.2003352

  69. M. Moriya, Y. Matsumoto, Y. Mizugaki, T. Kobayashi, and K. Usami,
    “Self-Organized Microcones Grown on Si Substrate by Microwave Plasma Chemical Vapor Deposition,”
    Japanese Journal of Applied Physics, vol.47, no.4, pp.3050–3052, April, 2008.
    DOI: https://doi.org/10.1143/JJAP.47.3050

  70. Y. Mizugaki, Y. Namatame, and M. Maezawa,
    “Design and operation of series array of voltage doubler cells for rapid-single-flux-quantum digital-to-analog converters,”
    Superconductor Science and Technology, vol.20, no.11, pp.S315–S317, October, 2007.
    DOI: https://doi.org/10.1088/0953-2048/20/11/S03

  71. Y. Mizugaki, H. Hakii, M. Moriya, K. Usami, T. Kobayashi, and H. Shimada,
    “Tunnel magnetoresistance in ferromagnet-superconductor-ferromagnet single-electron transistors with different lead spacings up to 50 μm,”
    Japanese Journal of Applied Physics, Part 2, vol.46, no.37, pp.L901–L903, September, 2007.
    DOI: https://doi.org/10.1143/JJAP.46.L901

  72. Y. Mizugaki, M. Itoh, and H. Shimada,
    “Current Correlation in Single-Electron Current Mirror Electromagnetically Dual to Josephson Voltage Mirror,”
    Japanese Journal of Applied Physics, Part 1, vol.46, no.9B, pp.6237–6242, September, 2007.
    DOI: https://doi.org/10.1143/JJAP.46.6237

  73. H. Shimada, T. Kawai, and Y. Mizugaki,
    “Current multiplication based on the quantum current-mirror effect,”
    IEEE Transactions on Applied Superconductivity, vol.17, no.2, pp.602–604, June, 2007.
    DOI: https://doi.org/10.1109/TASC.2007.902881

  74. Y. Mizugaki, R. Kashiwa, M. Moriya, K. Usami, and T. Kobayashi,
    “Grounding positions of superconducting layer for effective magnetic isolation in Josephson integrated circuits,”
    Journal of Applied Physics, vol.101, no.11, pp.114509-1–114509-4, June, 2007.
    DOI: https://doi.org/10.1063/1.2739221

  75. Y. Mizugaki, A. Kawai, M. Moriya, K. Usami, T. Kobayashi, and H. Shimada,
    “Optimization of asymmetric single-electron transistor generating ac-induced dc current,”
    IEICE Electronics Express (ELEX), vol.4, no.11, pp.345–350, June, 2007.
    DOI: https://doi.org/10.1587/elex.4.345

  76. A. Mizuta, M. Moriya, K. Usami, T. Kobayashi, H. Shimada, and Y. Mizugaki,
    “Coulomb Blockade Conditions for Detailed Model of Single-Electron Turnstile Device Including Finite Self-Capacitances of Island Electrodes,”
    Japanese Journal of Applied Physics, Part 1, vol.46, no.5A, pp.3144–3148, May, 2007.
    DOI: https://doi.org/10.1143/JJAP.46.3144

  77. Y. Namatame, M. Maezawa, M. Moriya, K. Usami, T. Kobayashi, and Y. Mizugaki,
    “Voltage Doubler Cell for Rapid Single Flux Quantum Digital-to-Analog Converter,”
    Japanese Journal of Applied Physics, Part 2, vol.46, no.18, pp.L430–L432, April, 2007.
    DOI: https://doi.org/10.1143/JJAP.46.L430

  78. Y. Mizugaki and K. Katoh,
    “Zero-crossing Shapiro step generated in an asymmetric and nonhysteretic rf-current-driven two-junction superconducting quantum interference device,”
    Journal of Applied Physics, vol.100, no.6, pp.064503-1–064503-4, September, 2006.
    DOI: https://doi.org/10.1063/1.2345043

  79. Y. Mizugaki, K. Kobayashi, M. Moriya, K. Usami, and T. Kobayashi,
    “Two-dimensional array of nanotubes grown in porous anodic alumina by ethanol electrolysis,”
    Japanese Journal of Applied Physics, Part 2, vol.45, no.24, pp.L657–L658, June, 2006.
    DOI: https://doi.org/10.1143/JJAP.45.L657

  80. Y. Mizugaki, K. Katoh, M. Moriya, K. Usami, and T. Kobayashi,
    “Zero-crossing Shapiro step in asymmetric two-junction superconducting quantum interference device,”
    Japanese Journal of Applied Physics, Part 2, vol.45, no.24, pp.L621–L622, June, 2006. DOI: http://dx.doi.org/10.1143/JJAP.45.L621

  81. Y. Mizugaki, H. Hakii, M. Moriya, K. Usami, and T. Kobayashi,
    “Numerical and experimental evaluation of mutual inductances between two superconducting striplines coupled through a superconducting intermediate layer,”
    IEICE Electronics Express (ELEX), vol.3, no.4, pp.64–69, February, 2006. DOI: http://dx.doi.org/10.1587/elex.3.64

  82. Y. Mizugaki, H. Hakii, M. Moriya, K. Usami, and T. Kobayashi,
    “Mutual Inductance Coupled through Superconducting Thin Film in Niobium Josephson Integrated Circuits,”
    Japanese Journal of Applied Physics, Part 2, vol.44, no.24, pp.L763–L765, June, 2005.
    DOI: https://doi.org/10.1143/JJAP.44.L763

  83. Y. Mizugaki and J. Chen,
    “Model Analysis for a Current-Step-like Structure in a High-Tc Josephson Device Coupled to a Microwave Signal,”
    Journal of Applied Physics, vol.97, no.6, pp.063906-1–063906-5, March, 2005.
    DOI: https://doi.org/10.1063/1.1862765

  84. Y. Mizugaki and H. Shimada,
    “Monte Carlo Study on the Charge Transport in Slantingly Coupled Arrays of Small Tunnel Junctions,”
    Physical Review B., vol.71, no.11, pp.115103-1–115103-7, March, 2005.
    DOI: https://doi.org/10.1103/PhysRevB.71.115103

  85. Y. Mizugaki, Y. Uematsu, K. Nakajima, T. Yamashita, S. Watauchi, and I. Tanaka,
    “Differential Conductance Properties of La2-xSrxCuO4 Intrinsic Josephson Junctions under Magnetic Field,”
    Japanese Journal of Applied Physics, Part 1, vol.43, no.1, pp.124–125, January, 2004.
    DOI: https://doi.org/10.1143/JJAP.43.124

  86. Y. Mizugaki,
    “Numerical investigation for the frequency dependence of Shapiro steps in an RF-field-driven SQUID,”
    Superconductor Science and Technology, vol.16, no.12, pp.1380–1382, November, 2003.
    DOI: https://doi.org/10.1088/0953-2048/16/12/011

  87. Y. Mizugaki,
    “Numerical investigation on the current mirror effect in a single-electron turnstile capacitively coupled to a one-dimensional array of small junctions,”
    Journal of Applied Physics, vol.94, no.7, pp.4480–4484, October, 2003.
    DOI: https://doi.org/10.1063/1.1606113

  88. Y. Mizugaki, Y. Uematsu, S. -J. Kim, J. Chen, K. Nakajima, T. Yamashita, H. Sato, and M. Naito,
    “Intrinsic Josephson junctions in c-axis oriented La1.85Sr0.15CuO4 thin films,”
    Journal of Applied Physics, vol.94, no.4, pp.2534–2537, August, 2003.
    DOI: https://doi.org/10.1063/1.1595139

  89. Y. Mizugaki, J. Chen, S. Nishikata, K. Sugi, K. Nakajima, and T. Yamashita,
    “Zero-Crossing Shapiro Step in a Three-Junction SQUID Magnetically Coupled with Two Phase-Shifted RF Signals,”
    IEEE Transactions on Applied Superconductivity, vol.13, no.2, pp.926–929, June, 2003.
    DOI: https://doi.org/10.1109/TASC.2003.814084

  90. Y. Mizugaki and K. Sugi,
    “Analysis of the Operation Modes of an RF-Field-Driven DC-SQUID,”
    IEICE Transactions on Electronics, vol.E86-C, no.1, pp.55–58, January, 2003.

  91. Y. Mizugaki and P. Delsing,
    “Single-Electron Turnstile Locked to Charge Solitons in a One-Dimensional Array of Small Junctions,”
    Japanese Journal of Applied Physics, Part 1, vol.41, no.9, pp.5630–5634, September, 2002.
    DOI: https://doi.org/10.1143/JJAP.41.5630

  92. Y. Mizugaki, J. Chen, K. Nakajima, and T. Yamashita,
    “Quantum transitions and zero-crossing current-steps in a SQUID controlled by multi-phase RF fields,”
    Physica C, vol.372–376, pp.274–277, August, 2002.
    DOI: https://doi.org/10.1016/S0921-4534(02)00692-5

  93. Y. Mizugaki, J. Chen, S. Nishikata, K. Sugi, K. Nakajima, and T. Yamashita,
    “Single-flux-quantum pump based on a three-junction superconducting quantum interference device,”
    Applied Physics Letters, vol.80, no.24, pp.4585–4587, June, 2002.
    DOI: https://doi.org/10.1063/1.1485308

  94. Y. Mizugaki, J. Chen, K. Nakajima, and T. Yamashita,
    “Flux-Quantum Transitions in a Three-Junction SQUID Controlled by Two RF Signals,”
    IEICE Transactions on Electronics, vol.E85-C, no.3, pp.803–808, March, 2002.

  95. Y. Uematsu, Y. Mizugaki, K. Nakajima, T. Yamashita, S. Watauchi and I. Tanaka,
    “Characterization of intrinsic Josephson junctions for La2-xSrxCuO4 single crystals,”
    Physica C, vol.367, no.1–4, pp.382–387, February, 2002.
    DOI: https://doi.org/10.1016/S0921-4534(01)01036-X

  96. Y. Mizugaki and P. Delsing,
    “Single-Electron Signal Modulator Designed for a Flash Analog-to-Digital Converter,”
    Japanese Journal of Applied Physics, Part 1, vol.40, no.10, pp.6157–6162, October, 2001.
    DOI: https://doi.org/10.1143/JJAP.40.6157

  97. Y. Uematsu, N. Sasaki, Y. Mizugaki, K. Nakajima, T. Yamashita, S. Watauchi, and I. Tanaka,
    “Subgap structures in the current - voltage properties of La2-xSrxCuO4 intrinsic Josephson junctions,”
    Physica C, vol.362, no.1–4, pp.290–295, September, 2001.
    DOI: https://doi.org/10.1016/S0921-4534(01)00690-6

  98. Y. Yamada, Y. Uematsu, Y. Mizugaki, K. Nakajima, and T. Yamashita,
    “Josephson plasma in Bi2Sr2CaCu2O 8+δ detected by Nb/AlOx/Nb junction,”
    Physica C, vol.362, no.1–4, pp.244–246, September, 2001.
    DOI: https://doi.org/10.1016/S0921-4534(01)00679-7

  99. T. Kondo, Y. Mizugaki, J. Chen, K. Nakajima, and T. Yamashita,
    “Microwave Induced Steps in RF-Field-Driven DC SQUID and its Potential Applications,”
    IEEE Transactions on Applied Superconductivity, vol.11, no.1, pp.900–903 March, 2001.
    DOI: https://doi.org/10.1109/77.919490

  100. T. Kondo, Y. Mizugaki, K. Saito, K. Nakajima, and T. Yamashita,
    “Switching Device Based on RF-Field-Driven High-Tc SQUID,”
    IEICE Transactions on Electronics, vol.E-84C, no.1, pp.55–60 January, 2001.

  101. H. B. Wang, J. Chen, Y. Aruga, T. Tachiki, Y. Mizugaki, K. Nakajima, T. Yamashita, and P. H. Wu,
    “Investigation of microwave responses in BSCCO-2212 intrinsic Josephson junctions up to short millimeter wavebands,”
    Physica C, vol.341–348, Part 4, pp.2737–2738, November, 2000.
    DOI: https://doi.org/10.1016/S0921-4534(00)01472-6

  102. Y. Mizugaki, K. Saito, A. I. Braginski, and T. Yamashita,
    “Josephson Switching Device Utilizing the Quantum Transitions in a Superconducting Quantum interference Device Loop,”
    Japanese Journal of Applied Physics, Part 1, vol.39, no.1, pp.55–60 January, 2000.
    DOI: https://doi.org/10.1143/JJAP.39.55

  103. Y. Mizugaki, J. Chen, K. Nakajima, and T. Yamashita,
    “Magnetically-Enhanced Terahertz Response of Josephson Junctions,”
    IEEE Transactions on Applied Superconductivity, vol.9, no.4, pp.4677–4681, December, 1999.
    DOI: https://doi.org/10.1109/77.819337

  104. H. B. Wang, T. Tachiki, Y. Aruga, Y. Mizugaki, J. Chen, K. Nakajima, T. Yamashita, and P. H. Wu,
    “Flux-flow resonant current steps in intrinsic Josephson junctions on Bi2Sr2CaCu2O8 single crystal,”
    Superconductor Science and Technology, vol.12, no.11, pp.1004–1006, 1999.
    DOI: https://doi.org/10.1088/0953-2048/12/11/392

  105. Y. Mizugaki, J. Chen, K. Nakajima, and T. Yamashita,
    “RF responses of double-junction SQUID models,”
    Superconductor Science and Technology, vol.12, no.11, pp.992–994, 1999.
    DOI: https://doi.org/10.1088/0953-2048/12/11/388

  106. H. B. Wang, Y. Aruga, T. Tachiki, Y. Mizugaki, J. Chen, K. Nakajima, T. Yamashita, and P. H. Wu,
    “Harmonic frequency mixing in Bi2Sr2CaCu2O 8+x intrinsic Josephson junctions,”
    Applied Physics Letters, vol.75, no.15, pp.2310–2312, October, 1999.
    DOI: https://doi.org/10.1063/1.125000

  107. Y. Mizugaki, K. Yanagisawa, T. Onomi, T. Yamashita, K. Nakajima, H. Yamamori, and A. Shoji,
    “Magnetic Isolation on a Superconducting Ground Plane,”
    Japanese Journal of Applied Physics, Part 1, vol.38, no.10, pp.5869–5870, October, 1999.
    DOI: https://doi.org/10.1143/JJAP.38.5869

  108. S. -J. Kim, Y. Mizugaki, J. Chen, K. Nakajima, and T. Yamashita,
    “YBCO SQUIDs Fabricated by Field Emission Electron Beam Source,”
    IEEE Transactions on Applied Superconductivity, vol.9, no.2, pp.3089–3092, June, 1999.
    DOI: https://doi.org/10.1109/77.783682

  109. Y. Mizugaki and K. Nakajima,
    “Numerical simulation for digital applications of a coupled-SQUID gate with dc-biasing,”
    Applied Superconductivity, vol.6, no.7–9, pp.405–408, June, 1999.
    DOI: https://doi.org/10.1016/S0964-1807(98)00107-0

  110. H. B. Wang, Y. Aruga, T. Tachiki, Y. Mizugaki, J. Chen, K. Nakajima, T. Yamashita, and P. H. Wu,
    “Microwave-induced current steps in intrinsic Josephson junctions patterned on Bi2Sr2CaCu2O8 single crystal,”
    Applied Physics Letters, vol.74, no.24, pp.3693–3695, June, 1999.
    DOI: https://doi.org/10.1063/1.123223

  111. H. B. Wang, J. Chen, T. Tachiki, Y. Mizugaki, K. Nakajima, and T. Yamashita,
    “Intrinsic Josephson junctions in oxygen-deficient YBa2Cu3O 7-δ film deposited on substrate step,”
    Journal of Applied Physics, vol.85, no.7, pp.3740–3744, April, 1999.
    DOI: https://doi.org/10.1063/1.369741

  112. Y. Mizugaki, K. Nakajima, and A. Shoji,
    “Switching delay of a non-latching Josephson gate evaluated from ring oscillator operation,”
    IEEE Transactions on Applied Superconductivity, vol.8, no.4, pp.188–191, December, 1998.
    DOI: https://doi.org/10.1109/77.740684

  113. Y. Mizugaki, J. Chen, K. Nakajima, and T. Yamashita,
    “Numerical Evaluation for the High-Frequency Response of Josephson Junctions Having Finite Capacitance,”
    Japanese Journal of Applied Physics, Part 1, vol.37, no.11, pp.5971–5972, November, 1998.
    DOI: https://doi.org/10.1143/JJAP.37.5971

  114. T. Onomi, Y. Mizugaki, H. Satoh, T. Yamashita, and K. Nakajima,
    “Phase-Mode Circuits for High-Performance Logic,”
    IEICE Transactions on Electronics, vol.E81-C, no.10, pp.1608–1617, October, 1998.

  115. 水柿義直, 中島康治,
    “ジョセフソン接合の等価インダクタンスを利用した超伝導量子干渉素子の静特性”,
    電子情報通信学会 和文論文誌C, vol.J81-C-II, no.2, pp.259–265, 2月, 1998.
    Translation
    Y. Mizugaki and K. Nakajima,
    “Static Characteristics of Superconducting Quantum Interference Devices Utilizing the Equivalent Inductance of Josephson Junctions,”
    Electronics and Communications in Japan, Part II, vol.81, no.6, pp.1–7, June, 1998.
    DOI: https://doi.org/10.1002/(SICI)1520-6432(199806)81:6
  116. T. Onomi, T. Yamashita, Y. Mizugaki, and K. Nakajima,
    “Design and Fabrication of an Adder Circuit in the Extended Phase-Mode Logic”,
    IEEE Transactions on Applied Superconductivity, vol.7, no.2, pp.3172–3175, June, 1997.
    DOI: https://doi.org/10.1109/77.622004

  117. Y. Mizugaki and K. Nakajima,
    “Numerical Investigation and Model Approximation for the Hysteretic Current-Voltage Characteristics of Josephson Junctions with Nonlinear Quasiparticle Resistance”,
    Japanese Journal of Applied Physics, Part 1, vol.36, no.1, pp.110–113, January, 1997.
    DOI: https://doi.org/10.1143/JJAP.36.110

  118. T. Onomi, Y. Mizugaki, T. Yamashita, and K. Nakajima,
    “Binary Counter with New Interface Circuits in the Extended Phase-mode Logic Family”,
    IEICE Transactions on Electronics, vol.E79-C, no.9, pp.1200–1205, September, 1996.

  119. Y. Mizugaki, T. Onomi, K. Nakajima, and T. Yamashita,
    “Experimental Operation of an RS Flip-Flop Composed of Non-latching Josephson Gates”,
    IEEE Transactions on Applied Superconductivity, vol.6, no.2, pp.90–93, June, 1996.
    DOI: https://doi.org/10.1109/77.506689

  120. T. Onomi, Y. Mizugaki, K. Nakajima, and T. Yamashita,
    “Extended phase-mode logic-circuits with resistive ground contact”,
    IEEE Transactions on Applied Superconductivity, vol.5, no.3, pp.3464–3471, September, 1995.
    DOI: https://doi.org/10.1109/77.413152

  121. Y. Mizugaki, K. Nakajima, Y. Sawada, and T. Yamashita,
    “Superconducting Neural Circuits Using SQUIDs”,
    IEEE Transactions on Applied Superconductivity, vol.5, no.2, pp.3168–3171, June, 1995.
    DOI: https://doi.org/10.1109/77.403264

  122. Y. Mizugaki, K. Nakajima, and T. Yamashita,
    “Neuro-Base Josephson Flip-Flop”,
    IEICE Transactions on Electronics, vol.E78-C, no.5, pp.531–534, May, 1995.
    https://globals.ieice.org/en_transactions/electronics/10.1587/e78-c_5_531/_p

  123. Y. Mizugaki, K. Nakajima, Y. Sawada, and T. Yamashita,
    “Implementation of superconducting synapses into a neuron-based analog-to-digital converter”,
    Applied Physics Letters, vol.65, no.13, pp.1712–1713, September, 1994.
    DOI: https://doi.org/10.1063/1.112894

  124. Y. Mizugaki, K. Nakajima, Y. Sawada, and T. Yamashita,
    “Implementation of New Superconducting Neural Circuits Using Coupled SQUIDs”,
    IEEE Transactions on Applied Superconductivity, vol.4, no.1, pp.1–8, March, 1994.
    DOI: https://doi.org/10.1109/77.273058

  125. Y. Mizugaki, K. Nakajima, and T. Yamashita,
    “Linearization Analysis of Threshold Characteristics for Some Applications of Mutually Coupled SQUIDs”,
    IEICE Transactions on Electronics, vol.E76-C, no.8, pp.1291–1297, August, 1993.

  126. Y. Mizugaki, K. Nakajima, Y. Sawada, and T. Yamashita,
    “Superconducting Implementation of Neural Networks Using Fluxon Pulses”,
    IEEE Transactions on Applied Superconductivity, vol.3, no.1, pp.2765–2768, March, 1993.
    DOI: https://doi.org/10.1109/77.233508

  127. Y. Mizugaki, K. Nakajima, Y. Sawada, and T. Yamashita,
    “Superconducting neural circuits using fluxon pulses”,
    Applied Physics Letters, vol.62, no.7, pp.762–764, February, 1993.
    DOI: https://doi.org/10.1063/1.108571

  128. K. Nakajima, Y. Mizugaki, T. Yamashita, and Y. Sawada,
    “Superconducting Neural Computer”,
    Applied Superconductivity, vol.1, Nos.10–12, pp.1893–1905, 1993.
    DOI: https://doi.org/10.1016/0964-1807(93)90337-2

  129. 水柿義直, 中島康治, 澤田康次, 山下努,
    “ウェットエッチングを用いた Nb-AlOx-Nb 接合集積化工程の短縮と 接合特性”,
    電子情報通信学会 和文論文誌C-II, vol.J74-C-II, no.12, pp.812–814, 12月, 1991.