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NECの研究者

2022年2月22日

山本 剛（Tsuyoshi Yamamoto）

山本 剛の写真

主席研究員
工学博士

研究分野

  • 超伝導量子デバイス

論文・学会発表・学術誌掲載

Original papers

  • “Spectroscopic observation of the crossover from a classical Duffing oscillator to a Kerr parametric oscillator ”, T. Yamaji, S. Kagami, A. Yamaguchi, T. Satoh, K. Koshino, H. Goto, Z. R. Lin, Y. Nakamura, and T. Yamamoto, Phys. Rev. A 105, 023519 (2022), DOI: 10.1103/Phys-RevA.105.023519.
  • “Theoretical study of reflection spectroscopy for superconducting quantum parametrons ”, S. Masuda, A. Yamaguchi, T. Yamaji. T. Yamamoto, T. Ishikawa, Y. Matsuzaki, and S. Kawabata, New. J. Phys. 23, 093023 (2021), DOI: 10.1088/1367-2630/ac21e1.
  • “Multispectral imaging of mineral samples by infrared quantum dot focal plane array sensors ”, Chenhui Huang, Tomo Tanaka, Sota Kagami, Yoshiki Ninomiya, Masahiro Kakuda, Katsuyuki Watanabe, Sei Inoue, Kenji Nanba, Yuichi Igarashi, Tsuyoshi Yamamoto, Akinobu Shibuya, Kentaro Nakahara, Yasuhiko Arakawa, and Shin-ichi Yorozu, Measurement 159, 107775 (2020), DOI: new windowhttps://doi.org/10.1016/j.measurement.2020.107775.
  • “On-demand generation of traveling cat states using a parametric oscillator ”, Hayato Goto, Zhirong Lin, Tsuyohi Yamamoto, and Yasunobu Nakamura, Phys. Rev. A 99, 023838 (2019), DOI: 10.1103/PhysRevA.99.023838.
  • “Hysteretic Flux Response and Nondegenerate Gain of Flux-Driven Josephson Parametric Amplifiers ”, S. Pogorzalek, K. G. Fedorov, L. Zhong, J. Goetz, F. Wulschner, M. Fischer, P. Eder, E. Xie, K. Inomata, T. Yamamoto, Y. Nakamura, A. Marx, F. Deppe, and R. Gross, Phys. Rev. Applied 8, 024012 (2017), DOI: 10.1103/PhysRevApplied.8.024012.
  • “Theory of Deterministic Entanglement Generation between Remote Superconducting Atoms ”, K. Koshino, K. Inomata, Z. R. Lin, Y. Tokunaga, T. Yamamoto, and Y. Nakamura, Phys. Rev. Applied 7, 064006 (2017), Editors’ Suggestion, DOI: 10.1103/PhysRevApplied.7.064006.
  • “Single microwave-photon detector using an artificial Λ-type three-level system ”, K. Inomata, Z. R. Lin, K. Koshino, W. D. Oliver, J. S. Tsai, T. Yamamoto, and Y. Nakamura, Nature Commun. 7, 12303 (2016), DOI: 10.1038/ncomms12303.
  • “Displacement of propagating squeezed microwave states ”, K. G. Fedorov, L. Zhong, S. Pogorzalek, P. Eder, M. Fischer, J. Goetz, E.Xie, F. Wulschner, K. Inomata, T. Yamamoto, Y. Nakamura, R. Di Candia, U. Las Heras, M. Sanz, E. Solano, E. P. Menzel, F. Deppe, A. Marx, and R. Gross, Phys. Rev. Lett.117, 020502 (2016), DOI: 10.1103/PhysRevLett.117.020502.
  • “Dressed-state engineering for continuous detection of itinerant microwave photons ”, K. Koshino, Z. R. Lin, K. Inomata, T. Yamamoto, and Y. Nakamura, Phys. Rev. A 93, 023824 (2016), DOI: 10.1103/PhysRevA.93.023824.
  • “Correlated Emission Lasing in Harmonic Oscillators Coupled via a Single Three-Level Artificial Atom ”, Z. H. Peng, Yu-xi Liu, J. T. Peltonen, T. Yamamoto, J. S. Tsai, and O. Astafiev, Phys. Rev. Lett. 115, 223603 (2015), DOI: 10.1103/PhysRevLett.115.223603.
  • “Theory of microwave single-photon detection using an impedance-matched Λ system ”, K. Koshino, K. Inomata, Z. R. Lin, Y. Nakamura, and T. Yamamoto, Phys. Rev. A91, 043805 (2015), DOI: 10.1103/PhysRevA.91.043805.
  • “Microwave down-conversion with an impedance-matched Λ system in driven circuit QED”, K. Inomata, K. Koshino, Z. R. Lin, W. D. Oliver, J. S. Tsai, Y. Nakamura, and T. Yamamoto, Phys. Rev. Lett. 113, 063604 (2014), Editors’ Suggestion, DOI: 10.1103/PhysRevLett.113.063604.
  • “Josephson parametric phase-locked oscillator and its application to dispersive readout of superconducting qubits ”, Z. R. Lin, K. Inomata, K. Koshino, W. D. Oliver, Y. Nakamura, J. S. Tsai, and T. Yamamoto, Nature Commun. 5, 4480 (2014), DOI: 10.1038/ncomms5480.
  • “Superconducting flux qubit capacitively coupled to an LC resonator ”, T. Yamamoto, K. Inomata, K. Koshino, P.-M. Billangeon, Y. Nakamura, and J. S. Tsai, New J. Phys. 16, 015017 (2014), DOI: 10.1088/1367-2630/16/1/015017.
  • “Squeezing with a flux-driven Josephson parametric amplifier ”, L. Zhong, E. P. Menzel, R. Di Candia, P. Eder, M. Ihmig, A. Baust, M. Haeber-lein, E. Hoffmann K. Inomata, T. Yamamoto, Y. Nakamura, E. Solano, F. Deppe, A. Marx, and R. Gross, New J. Phys. 15, 125013 (2013), DOI: 10.1088/1367-2630/15/12/125013.
  • “Theory of deterministic down-conversion of single photons occurring at an impedancematched Λ system ”, Kazuki Koshino, Kunihiro Inomata, Tsuyoshi Yamamoto, and Yasunobu Nakamura, New J. Phys. 15, 115010 (2013), DOI: 10.1088/1367-2630/15/11/115010.
  • “Implementation of an Impedance-Matched Λ System by Dressed-State Engineering ”, Kazuki Koshino, Kunihiro Inomata, Tsuyoshi Yamamoto, and Yasunobu Nakamura, Phys. Rev. Lett. 111, 153601 (2013), DOI: 10.1103/PhysRevLett.111.153601.
  • “Single-shot readout of a superconducting flux qubit with a flux-driven Josephson parametric amplifier ”, Z. R. Lin, K. Inomata, W. D. Oliver, K. Koshino, Y. Nakamura, J. S. Tsai, and T. Yamamoto, Appl. Phys. Lett 103, 132602 (2013), DOI: 10.1063/1.4821822.
  • “Observation of the Three-State Dressed States in Circuit Quantum Electrodynamics ”, K. Koshino, H. Terai, K. Inomata, T. Yamamoto, W. Qiu, Z.Wang, and Y. Nakamura, Phys. Rev. Lett. 110, 263601 (2013), DOI: 10.1103/PhysRevLett.110.263601.
  • “Path Entanglement of Continuous-Variable Quantum Microwaves ”, E. P. Menzel, R. Di Candia, F. Deppe, P. Eder, L. Zhong, M. Ihmig, M. Haeberlein, A. Baust, E. Hoffmann, D. Ballester, K. Inomata, T. Yamamoto, Y. Nakamura, E. Solano, A. Marx, and R. Gross, Phys. Rev. Lett. 109, 250502 (2012), DOI: 10.1103/PhysRevLett.109.250502.
  • “Large dispersive shift of cavity resonance induced by a superconducting flux qubit in the straddling regime ”, K. Inomata, T. Yamamoto, P.-M. Billangeon, Y. Nakamura, and J. S. Tsai, Phys. Rev. B 86, 140508(R) (2012), Editors’ Suggestion, DOI: 10.1103/PhysRevB.86.140508.
  • “Flux noise probed with real time qubit tomography in a Josephson phase qubit ”, D. Sank, R. Barends, R. C. Bialczak, Yu Chen, J. Kelly, M. Lenander, E. Lucero, M. Mariantoni, A. Megrant, M. Neeley, P. J. J. O’Malley, A. Vainsencher, H. Wang, J. Wenner, T. C. White, T. Yamamoto, Y. Yin, A. N. Cleland, and J. M. Martinis, Phys. Rev. Lett. 109, 067001 (2012), DOI: 10.1103/PhysRevLett.109.067001.
  • “Dynamic quantum Kerr effect in circuit quantum electrodynamics ”, Y. Yin, H. Wang, M. Mariantoni, R. C. Bialczak, R. Barends, Y. Chen, M. Lenander, E. Lucero, M. Neeley, A. D. O’Connell, D. Sank, M.Weides, J.Wenner, T. Yamamoto, J. Zhao, A. N. Cleland, and J. M. Martinis, Phys. Rev. A 85, 023826 (2012), DOI: 10.1103/PhysRevA.85.023826.
  • “Implementing the quantum von Neumann architecture with superconducting circuits ”, M. Mariantoni, H. Wang, T. Yamamoto, M. Neeley, R. C. Bialczak, Y. Chen, M. Lenander, E. Lucero, A. D. O’Connell, D. Sank, M. Weides, J. Wenner, Y. Yin, J. Zhao, A. N. Cleland, and J. M. Martinis, Science 334, 61-65 (2011), DOI: 10.1126/science. 1208517.
  • “Measurement of energy decay in superconducting qubits from nonequilibrium quasiparticles ”, M. Lenander, H. Wang, R. C. Bialczak, E. Lucero, M. Mariantoni, M. Neeley, A. D. O’Connell, D. Sank, M. Weides, J. Wenner, T. Yamamoto, Y. Yin, J. Zhao, A. N. Cleland, and J. M. Martinis, Phys. Rev. B 84, 024501 (2011), DOI: 10.1103/Phys- RevB.84.024501.
  • “Photon shell game in three-resonator circuit quantum electrodynamics ”, M. Mariantoni, H. Wang, R. C. Bialczak, M. Lenander, E. Lucero, M. Neeley, A. D. O’Connell, D. Sank, M. Weides, J. Wenner, T. Yamamoto, Y. Yin, J. Zhao, A. N. Cleland, and J. M. Martinis, Nature Phys. 7, 287-293 (2011), DOI: 10.1038/nphys1885.
  • “Phase qubits fabricated with trilayer junctions ”, M. Weides, R. C. Bialczak, M. Lenander, E. Lucero, M. Mariantoni, M. Neeley, A. D. O’Connell, D. Sank, H. Wang, J. Wenner, T. Yamamoto, Y. Yin, A. N. Cleland, and J. M. Martinis, Supercond. Sci. Tech. 24, 055005 (2011), DOI: 10.1088/0953- 2048/24/5/055005.
  • “Fast tunable coupler for superconducting qubits ”, R. C. Bialczak, M. Ansmann, M. Hofheinz, M. Lenander, E. Lucero, M. Neeley, A. D. O’Connell, D. Sank, H. Wang, M. Weides, J. Wenner, T. Yamamoto, A. N. Cleland, and J. M. Martinis, Phys. Rev. Lett. 106, 060501 (2011), DOI: 10.1103/Phys- RevLett.106.060501.
  • “Deterministic entanglement of photons in two superconducting microwave resonators ”, H. Wang, M. Mariantoni, R. C. Bialczak, M. Lenander, E. Lucero, M. Neeley, A. D. O’Connell, D. Sank, M. Weides, J. Wenner, T. Yamamoto, Y. Yin, J. Zhao, A. N. Cleland, and J. M. Martinis, Phys. Rev. Lett. 106, 060401 (2011), DOI: 10.1103/PhysRevLett.106.060401.
  • “Reduced phase error through optimized control of a superconducting qubit ”, E. Lucero, J. Kelly, R. C. Bilaczak, M. Lenander, M. Mariantoni, M. Neeley, A. D. O’Connell, D. Sank, H. Wang, M. Weides, J. Wenner, T. Yamamoto, A. N. Cleland, and J. M. Martinis, Phys. Rev. A 82, 042339 (2010), DOI: 10.1103/Phys- RevA.82.042339.
  • “Quantum process tomography of two-qubit controlled-Z and controlled-NOT gates using superconducting phase qubits ”, T. Yamamoto, M. Neeley, E. Lucero, R. C. Bialczak, J. Kelly, M. Lenander, M. Mariantoni, A. D. O’Connell, D. Sank, H. Wang, M. Weides, J. Wenner, Y. Yin, A. N. Cleland, and J. M. Martinis, Phys. Rev. B 82, 184515 (2010), DOI: 10.1103/Phys- RevB.82.184515.
  • “Generation of three-qubit entangled states using superconducting phase qubits ”, M. Neeley, R. C. Bialczak, M. Lenander, E. Lucero, M. Mariantoni, A. D. O’Connell, D. Sank, H. Wang, M. Weides, J. Wenner, Y. Yin, T. Yamamoto, A. N. Cleland, and J. M. Martinis, Nature 467, 570-573 (2010), DOI: 10.1038/nature09418.
  • “Resonance fluorescence of a single artificial atom ”, O. Astafiev, A. M. Zagoskin, A. A. Abdumalikov Jr., Yu. A. Pashkin, T. Yamamoto, K. Inomata, Y. Nakamura, and J. S. Tsai, Science 327, 840-843 (2010), DOI: 10.1126/science.1181918.
  • “Power-dependent internal loss in Josephson bifurcation amplifiers ”, M. Watanabe, K. Inomata, T. Yamamoto, and J. S. Tsai, Phys. Rev. B 80, 174502 (2009), DOI: 10.1103/PhysRevB.80.174502.
  • “Film-thickness dependence of 10 GHz Nb coplanar-waveguide resonators ”, K. Inomata, T. Yamamoto, M. Watanabe, K. Matsuba, and J. S. Tsai, J. Vac. Sci. Technol. B 27, 2286-2291 (2009), DOI: 10.1116/1.3232301.
  • “Flux-driven Josephson parametric amplifier ”, T. Yamamoto, K. Inomata, M. Watanabe, K. Matsuba, T. Miyazaki, W. D. Oliver, Y. Nakamura, and J. S. Tsai, Appl. Phys. Lett. 93, 042510 (2008), DOI: 10.1063/1.2964182.
  • “Spectroscopy of superconducting charge qubits coupled by a Josephson inductance ”, T. Yamamoto, M. Watanabe, J. Q. You, Y. Pashkin, O. Astafiev, Y. Nakamura, F. Nori, and J.S. Tsai, Phys. Rev. B77, 064505 (2008), DOI: 10.1103/Phys- RevB.77.064505.
  • “Single artificial-atom lasing ”, O. Astafiev, K. Inomata, A. O. Niskanen, T. Yamamoto, Yu. Pashikin, Y. Nakamura, and J. S.Tsai, Nature 449, 588-590 (2007), DOI: 10.1038/nature06141.
  • “Characterization of all-Nb nanodevices fabricated by electron beam lithography and ion beam oxidation ”, H. Im, Yu. A. Pashkin, T. Yamamoto, O. Astafiev, Y. Nakamura, and J. S. Tsai, J. Vac. Sci. Tech. B25(2), 448-454 (2007), DOI: 10.1116/1.2715971.
  • “Comment on ”Charge-qubit operation of an isolated double quantum dots ”, O. Astafiev, Y. Nakamura, Yu . A. Pashikn, T. Yamamoto, and J. S. Tsai, Phys. Rev. Lett. 97, 208901 (2006), DOI: 10.1103/PhysRevLett.97.208901.
  • “Fabrication of Ultrasmall All-Nb Tunnel-Junction Devices with Ion Beam-Oxidized Barriers ”, H. Im, Yu. A. Pashkin, T. Yamamoto, O. Astafiev, Y. Nakamura, and J. S. Tsai, J. Kor. Phys. Soc. 48, 1560-1564 (2006).
  • “Parity effect in superconducting aluminum single electron transistors with spatial gap profile controlled by film thickness ”, T. Yamamoto, Y. Nakamura, Yu. A. Pashkin, O. Astafiev, and J. S. Tsai, Appl. Phys. Lett. 88, 212509 (2006), DOI: 10.1063/1.2207555.
  • “Temperature square dependence of the low frequency 1/f charge noise in the Josephson junction qubits ”, O. Astafiev, Yu.A. Pashkin, Y. Nakamura, T. Yamamoto, and J. S. Tsai, Phys. Rev. Lett. 96, 137001 (2006), DOI: 10.1103/PhysRevLett.96.137001.
  • “Characterization of ultrasmall all-Nb tunnel junctions with ion gun oxidized barriers ”, H. Im, Yu. A. Pashkin, T. Yamamoto, O. Astafiev, Y. Nakamura, and J. S. Tsai, Appl. Phys. Lett. 88, 112113 (2006), DOI: 10.1063/1.2186507.
  • “Coherent manipulation of coupled Josephson charge qubits ”, Yu. A. Pashkin, T. Yamamoto, O. Astafiev, Y. Nakamura, D. V. Averin, T. Tilma, F. Nori, and J.S. Tsai, Physical C 426-431, 1552-1560 (2005), DOI: 10.1016/j.physc.2005.01.076.
  • “Quantum noise in the Josephson charge qubit ”, O. Astafiev, Yu. A. Pashkin, Y. Nakamura, T. Yamamoto, and J. S. Tsai, Phys. Rev. Lett. 93, 267007 (2004), DOI: 10.1103/PhysRevLett.93.267007.
  • “Single-shot measurement of the Josephson charge qubit ”, O. Astafiev, Yu. A. Pashkin, T. Yamamoto, Y. Nakamura, and J. S. Tsai, Phys. Rev. B 69, 180507(R) (2004), DOI: 10.1103/PhysRevB.69.180507.
  • “Demonstration of conditional gate operation using superconducting charge qubits ”, T. Yamamoto, Yu. A. Pashkin, O. Astafiev, Y. Nakamura, and J. S. Tsai, Nature 425, 941-944 (2003), DOI: 10.1038/nature02015.
  • “Coupling two charge qubits ”, Yu. A. Pashkin, T. Yamamoto, O. Astafiev, Y. Nakamura, D. V. Averin, and J. S. Tsai, NEC Res. Dev. 44, 273-277 (2003).
  • “Quantum oscillations in two coupled charge qubits ”, Yu. A. Pashkin, T. Yamamoto, O. Astafiev, Y. Nakamura, D. V. Averin, and J. S. Tsai, Nature 421, 823-826 (2003), DOI: 10.1038/nature01365.
  • “Coherent manipulation of charge-number states in a Cooper-pair box ”, Y. Nakamura, Yu. A. Pashkin, T. Yamamoto, and J. S. Tsai, Phys. Scripta T102, 155-161 (2002).
  • “Charge echo in a Cooper-pair box ”, Y. Nakamura, Yu. A. Pashkin, T. Yamamoto, and J. S. Tsai, Phys. Rev. Lett. 88, 047901 (2002), DOI: 10.1103/PhysRevLett.88.047901.
  • “Physical properties of the misfit-layered (Bi,Pb)-Sr-Co-O system: Effect of hole doping into a triangular lattice formed by low-spin Co ions ”, T. Yamamoto, K. Uchinokura, and I. Tsukada, Phys. Rev. B 65, 184434 (2002), DOI: 10.1103/PhysRevB.65.184434.
  • “Photoemission and x-ray absorption study of misfit-layered (Bi,Pb)-Sr-Co-O compounds: Electronic structure of a hole-doped Co-O triangle lattice ”, T. Mizokawa, L. H. Tjeng, P. G. Steeneken, N. B. Brookes, I. Tsukada, T. Yamamoto, and K. Uchinokura, Phys. Rev. B 64, 115104 (2001), DOI: 10.1103/PhysRevB.64.115104.
  • “Ferromagnetism and large magnetoresistance in Pb doped Bi-Sr-Co-O misfit-layer compound ”, I. Tsukada, T. Yamamoto, M. Takagi, T. Tsubone, S. Konno, and K. Uchinokura, J. Phys. Soc. Jpn. 70, 834-840 (2001), DOI: 10.1143/JPSJ.70.834.
  • “Structural phase transition and metallic behavior in misfit layered (Bi,Pb)-Sr-Co-O system ”, T. Yamamoto, I. Tsukada, K. Uchinokura, M. Takagi, T. Tsubone, M. Ichihara, and K. Kobayashi, Jpn. J. Appl. Phys. 39, L747-L750 (2000).
  • “Large negative magnetoresistance in thin films of magnetic material Bi2−xPbxSr3Co2O9 ”, T. Yamamoto, I. Tsukada, and K. Uchinokura, Jpn. J. Appl. Phys. 38, 1949-1951 (1999).

Proceedings

  • “Analysis of mineral composition by infrared spectral imaging using quantum dot focal plane array sensor ”, C. Huang, T. Tanaka, S. Kagami, Y. Ninomiya, M. Kakuda, K. Watanabe, S. Inoue, K. Nanba, Y. Igarashi, M. Tanomura, T. Yamamoto, A. Shibuya, K. Nakahara, S. Yorozu, Y. Arakawa, SPIE Optics + Optoelectronics, Prague, Czech Republic, 2017, Proc. SPIE 10231, 102310N (2017), DOI: 10.1117/12.2262048.
  • “Performance estimation for SWIR cameras under OH night airglow illumination ”, N. Oda, M. Sano, S. Kagami, Y. Nambu, T. Tanaka, T. Yamamoto, H. Inada, Y. Iguchi, T. Katsuyama, SPIE Defense + Security, Anaheim, California, United States, 2017, Proc. SPIE 10177, 1017702 (2017), DOI: 10.1117/12.2261052.
  • “Superconducting non-linear resonator for non-destructive readout of a flux qubit ”, K. Inomata, M. Watanabe, T. Yamamoto, K. Matsuba, Y. Nakamura, and J. S. Tsai, The 25th International Conference on Low Temperature Physics, Amsterdam, the Netherland, 2008, Journal of Physics: Conference Series 150, 052077 (2009).
  • “Conditional gate operation in superconducting charge qubits ”, T. Yamamoto, Yu. A. Pashkin, O. Astafeiv, Y. Nakamura, and J. S. Tsai, International Workshop on Macroscopic Quantum Coherence and Computing, Naples, Italy, 2004, Quantum Computing in Solid State Systems, Splinger Science + Business Media Inc., New York (2006) p.10
  • “Recent results in experiments with Josephson qubits ”, O. Astafiev, Yu. A. Pashkin, T. Yamamoto, Y. Nakamura, and J. S. Tsai, The 1st Asia-Pacific conference, Tainan City, Taiwan, 2004, Proceedings of the 1st Asia-Pacific Conference, (World Scientific, Singapore), 173-196 (2005).
  • “Quantum coherent dynamics of two coupled superconducting charge qubits ”, Yu. A. Pashkin, O. Astafiev, T. Yamamoto, Y. Nakamura, D. V. Averin, T. Tilma, F. Nori, and J. S. Tsai, 18th International Conference on Photoelectronics and Night Vision Devices and Quantum Informatics 2004, Moscow, Russian Federation, 2004, Proc. SPIE 5833, Quantum Informatics 2004, ed. Y. Ozhigov, 116-126 (2005), DOI: 10.1117/12.620486.
  • “Coupled Josephson Quantum Bits ”, J. S. Tsai, T. Yamamoto, Yu. Y. Pashkin, O. Astafiev, and Y. Nakamura, Second International Symposium on Fluctuations and Noise, Maspalomas, Gran Canaria Island, Spain, 2004, Proceedings of SPIE, Noise and Information in Nanoelectronics, Sensors, and Standards II, Editors: J.M. Smulko, Y. Blanter, M.I. Dykman, L.B. Kish, Vol. 5472, 11-18 (2004), DOI: 10.1117/12.547408..
  • “Hall effect in a layered magnetoresistive cobalt oxide ”, T. Yamamoto, I. Tsukada, M. Takagi, T. Tsubone, and K. Uchinokura, International Conference on Magnetism, Recife, Brazil, 2000, J. Magn. Magn. Mater. 226-230, 2031-2032 (2001), DOI: 10.1016/S0304-8853(00)00670-3.
  • “Negative magnetoresistance in (Bi,Pb)2Sr3Co2O9 layered cobalt oxides ”, I. Tsukada, T. Yamamoto, M. Takagi, T. Tsubone, and K. Uchinokura, Material Research Society Fall Meeting, Boston, Massachusetts, United States, 1997, Mater. Res. Soc. Symp. Proc. 494, 119-124 (1998), DOI: 10.1557/PROC-494-119.
  • “Dimensional crossover of quantum collective creep in Bi2Sr2CaCu2O8+y ”, T. Tamegai, M. Sato, T. Yamamoto, S. Ooi, and T. Shibauchi, Czech. J. Phys. 46, Suppl. S3, 1733-1734 (1996), DOI: 10.1007/BF02562981.

Books

  • “Parametric amplifier and oscillator based on Josephson junction circuitry ”, T. Yamamoto, K. Koshino, and Y. Nakamura, in Principles and Methods of Quantum Information Technologies, Eds. Y. Yamamoto and K. Semba (Springer, Tokyo, 2016) p.495-513.
  • “Studies of misfit-layered (Bi,Pb)-Sr-Co-O system: Crystal structure, physical property, and thin-film fabrication ”, T. Yamamoto, I. Tsukada, and K. Uchinokura, in Oxide Thermoelectronics (Research Signpost, Trivandrum, 2002) p.131-146.

Review articles (in English)

  • “Development of Quantum Annealer using Josephson Parametric Oscillators ”, Tomohiro YAMAJI, Masayuki SHIRANE, and Tsuyoshi YAMAMOTO, IEICE Trans. Electron. 2021SEP0006, DOI: 10.1587/transele.2021SEP0006.
  • “Breakthroughs in microwave quantum photonics in superconducting circuits ”, Y. Nakamura and T. Yamamoto, IEEE Photonics Journal 5, 0701406 (2013), DOI: 10.1109/JPHOT.2013.2252005.
  • “Josephson charge qubits: a brief review ”, Yu. A. Pashkin, O. Astafiev, T. Yamamoto, Y. Nakamura, and J. S. Tsai, Quantum Inf. Process 8, 55-80 (2009), DOI: 10.1007/s11128-009-0101-5.

Review articles (日本語)

  • “超伝導回路を用いた量子計算機の研究を理解するための基礎知識”, 山本剛：日本物理学会誌75, 610-618 (2020)．
  • “量子アニーリングのための超伝導パラメトロン素子”, 白根昌之、山本剛：表面と真空63, 112-116 (2020)．
  • “マイクロ波単一光子検出器の提案と実証”, 猪股邦宏、Lin Zhirong、越野和樹、山本剛、中村泰信：FSST ニュース158, 12-14 (2018)．
  • “単一光子による決定論的な量子状態スイッチング”, 越野和樹、猪股邦宏、中村泰信、山本剛：日本物理学会誌69, 870-875 (2014)．
  • “ジョセフソン効果と量子ビット”, 山本剛：電子情報通信学会誌95, 750-753 (2012)．
  • “超伝導量子ビットを用いた単一人工原子メーザー”, 中村泰信、Oleg Astafiev、猪股邦宏、Antti O. Niskanen、山本剛、Yuri A. Pashkin、 蔡兆申：固体物理43, 519-527 (2008)．
  • “超伝導電荷量子ビットにおける単一事象読み出し”, 山本剛、Oleg Astafiev：FSST ニュース105, 4-7 (2005)．
  • “超伝導電荷量子ビットにおける2ビットゲート動作”, 山本剛、Yuri Pashkin、Oleg Astafiev、中村泰信、蔡兆申：応用物理74, 17-21 (2005)．
  • “ジョセフソン電荷量子ビットの近況”, 蔡兆申、山本剛、Yuri Pashkin、中村泰信、Oleg Astafiev：固体物理38, 767-778 (2003)．

受賞など

2018年4月
一般社団法人　未踏科学技術協会　第22回超伝導科学技術賞
2014年4月
日本学術振興会超伝導エレクトロニクス第146委員会賞
2006年5月
理化学研究所フロンティアシステム賞　大賞
“ジョセフソン接合回路を使った量子論理ゲートの実現”
2004年9月
Top young innovators by Technologies Review (2004年MIT世界の若手技術者100人)に選出。
2004年7月
日本電気株式会社　社長賞“固体素子を用いた量子コンピュータ向け基本論理演算回路の実現に関する件”

所属学会

  • 日本物理学会、応用物理学会、アメリカ物理学会
  • 日本学術振興会 超伝導エレクトロニクス第146委員会委員
  • 一般社団法人量子ICTフォーラム委員

略歴

2001年3月
東京大学大学院工学系研究科物理工学専攻博士課程修了（工学博士）
2001年4月
NEC入社、中央研究所に配属
2009年8月～2010年7月
カリフォルニア州立大学サンタバーバラ校客員研究員

現兼務先：

  • 産業技術総合研究所
  • 筑波大学
  • 東京理科大学
  • 理化学研究所

関連リンク

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