Japanese/English

NTT Basic Research Laboratories
Quantum Solid State Physics Research Group


Masayuki Hashisaka



PhD. (Science)
Email: masayuki.hashisaka.wf(at mark)hco.ntt.co.jp
TEL: +81-46-240-3755




Apr. 2022 -                   Distinguished Researcher, NTT Basic Research Laboratories
Dec. 2017 - Mar. 2022   Senior Research Scientist, NTT Basic Research Laboratories
Oct. 2017 - Mar. 2021　Research Director, PRESTO, Japan Science and Technology Agency (Concurrent post)
July 2017 - Nov. 2017　Research Specialist, NTT Basic Research Laboratories
Apr. 2009 - June 2017　Assistant Professor, Department of Physics, Tokyo Institute of Technology
Apr. 2008 - Mar. 2009　Research Fellow of the Japan Society for the Promotion of Science for Young Scientists

Mar. 2009:　Ph.D from Kyoto University
Mar. 2006:　Master degree from Kyoto University


Awards
  • 2018:　The Young Scientists' Prize, the Commendation for Science and Technology
    • 　　　　 by the Minister of Education, Culture, Sports, Science and Technology (MEXT)
  • 2018:　Nanotechnology Platform Japan program, the Ministry of Education, Culture, Sports, Science and Technology (MEXT)
    • 　　　　Major results of 2016
  • 2016:　Young Scientist Award of the Physical Society of Japan
  • 2009:　Young Scientist Award of Tokyo Institute of Technology
  • 2008:　29th International Conference on the Physics of Semiconductor（ICPS）
    　　　　Young Author Best Paper Award

Publications
  1. “Homemade-HEMT-based transimpedance amplifier for high-resolution shot-noise measurements”
    T. Shimizu, M. Hashisaka, H. Bohuslavskyi, T. Akiho, N. Kumada, S. Katsumoto, and K. Muraki
    Review of Scientific Instruments, 92, 124715-1-7 (2021).

  2. “Time-resolved investigation of plasmon mode along interface channels in integer and fractional quantum Hall regimes”
    C. Lin, M. Hashisaka, T. Akiho, K. Muraki, and T. Fujisawa
    Physical Review B 104, 125304-1-9 (2021).

  3. “Shot noise in mesoscopic systems: from single particles to quantum liquids”
    K. Kobayashi and M. Hashisaka
    Journal of the Physical Society of Japan 90, 102001-1-47 (2021) (Invited Review Paper).

  4. “Andreev reflection of fractional quantum Hall quasiparticles”
    M. Hashisaka, T. Jonckheere, T. Akiho, S. Sasaki, J. Rech, T. Martin, and K. Muraki
    Nature Communications 12, 2794 (2021).

  5. “Cryogenic GaAs high-electron-mobility-transistor amplifier for current noise measurements”
    S. Lee, M. Hashisaka, T. Akiho, K. Kobayashi, and K. Muraki
    Review of Scientific Instruments 92, 023910 (2021).

  6. “Quantized charge fractionalization at quantum Hall Y junctions in the disorder dominated regime”
    C. Lin, M. Hashisaka, T. Akiho, K. Muraki, and T. Fujisawa
    Nature Communications 12, 131 (2021).

  7. “On-chip coherent frequency-domain THz spectroscopy for electrical transport”
    K. Yoshioka, N. Kumada, K. Muraki, and M. Hashisaka
    Applied Physics Letters 117, 161103 (2020).

  8. “Suppression of gate screening on edge magnetoplasmons by highly resistive ZnO gate”
    N. Kumada, N.-H. Tu, K.-i. Sasaki, T. Ota, M. Hashisaka, S. Sasaki, K. Onomitsu, and K. Muraki
    Physical Review B 101, 025205 (2020).

  9. “Two-step breakdown of a local v = 1 quantum Hall state”
    M. Hashisaka, K. Muraki, and T. Fujisawa
    Physical Review B 101, 041303(R) (2020).

  10. “Charge equilibration in integer and fractional quantum Hall edge channels in a generalized Hall-bar device”
    C. J. Lin, R. Eguchi, M. Hashisaka, T. Akiho, K. Muraki, and T. Fujisawa
    Physical Review B, 99, 195304 (2019).

  11. “Spectroscopic study on hot-electron transport in a quantum Hall edge channel”
    T. Ota, S. Akiyama, M. Hashisaka, K. Muraki, and T. Fujisawa
    Physical Review B, 99, 085310 (2019).

  12. “Coupling between Quantum Hall Edge Channels on Opposite Sides of a Hall Bar”
    N. H. Tu, M. Hashisaka, T. Ota, Y. Sekine, K. Muraki, T. Fujisawa, and N. Kumada
    Solid State Communications, 283, 32-36 (2018).

  13. “Tomonaga-Luttinger-Liquid Nature of Edge Excitations in Integer Quantum Hall Edge Channels”
    M. Hashisaka, and T. Fujisawa
    Reviews in Physics, 3, 32 (2018).

  14. “Electronic energy spectroscopy of monochromatic edge magnetoplasmons in the quantum Hall regime”
    T. Ota, M. Hashisaka, K. Muraki, and T. Fujisawa
    Journal of Physics: Condensed Matter, 30, 345301 (2018).

  15. “Signatures of a non-thermal metastable state in copropagating quantum Hall edge channels”
    K. Itoh, R. Nakazawa, T. Ota, M. Hashisaka, K. Muraki, and T. Fujisawa
    Physical Review Letters, 120, 197701 (2018).

  16. “朝永・ラッティンジャー液体における電荷・スピン密度波束の観測実験”
    橋坂昌幸, 藤澤利正
    日本物理学会誌, vol. 72, 805 (2017) (表紙掲載).

  17. “Two-electron double quantum dot coupled to coherent photon and phonon fields”
    Y. Sato, J. C. H. Chen, M. Hashisaka, K. Muraki, and T. Fujisawa
    Physical Review B 96, 115416 (2017).

  18. “Charge fractionalization in artificial Tomonaga-Luttinger liquids with controlled interaction strength”
    P. Brasseur, N. H. Tu, Y. Sekine, K. Muraki, M. Hashisaka, T. Fujisawa, and N. Kumada
    Physical Review B 96, 081101(R) (2017).

  19. “Negative and positive cross-correlations of current noises in quantum Hall edge channels at bulk filling factor ν = 1”
    T. Ota, M. Hashisaka, K. Muraki, and T. Fujisawa
    Journal of Physics: Condensed Matter 29, 225302-1 (2017).

  20. “Waveform measurement of charge- and spin-density wavepackets in a chiral Tomonaga-Luttinger liquid”
    M. Hashisaka, N. Hiyama, T. Akiho, K. Muraki, and T. Fujisawa
    Nature Physics 13, 559 (2017).

  21. “局所分数量子ホール系における分数電荷準粒子のトンネル現象”
    橋坂昌幸, 太田智明, 村木康二, 藤澤利正
    固体物理, vol. 51, No. 2, 127 (2016).

  22. “Long-lived binary tunneling spectrum in the quantum Hall Tomonaga-Luttinger liquid”
    K. Washio, R. Nakazawa, M. Hashisaka, K. Muraki, Y. Tokura, and T. Fujisawa
    Physical Review B, 93, 075304 (2016).

  23. “Exchange-induced spin blockadein a two-electron double quantum dot”
    D. Imanaka, S. Sharmin, M. Hashisaka, K. Muraki, and T. Fujisawa
    Physical Review Letters, 115, 176802 (2015).

  24. “Enhanced electron-phonon coupling for a semiconductor charge qubit in a surface phonon cavity”
    J. C. H. Chen, Y. Sato, R. Kosaka, M. Hashisaka, K. Muraki, and T. Fujisawa
    Scientific Reports, 5, 15176 (2015).

  25. “An edge magnetoplasmon Mach-Zehnder interferometer”
    N. Hiyama, M. Hashisaka, and T. Fujisawa
    Applied Physics Letters, 107, 143101 (2015).

  26. “Shot-noise evidence of fractional quasiparticle creation in a local fractional quantum Hall state”
    M. Hashisaka, T. Ota, K. Muraki, and T. Fujisawa
    Physical Review Letters, 114, 056802 (2015).

  27. “Resonant edge magnetoplasmons and their decay in graphene”
    N. Kumada, P. Roulleau, B. Roche, M. Hashisaka, H. Hibino, I. Petkovic, and D. C. Glattli
    Physical Review Letters, 113, 26601 (2014).

  28. “Spin-dependent tunneling rates for electrostatically defined GaAs quantum dot”
    M. Yamagishi, N. Watase, M. Hashisaka, K. Muraki, and T. Fujisawa
    Physical Review B, 90, 035306 (2014)

  29. “Plasmon transport and its guiding in graphene”
    N. Kumada, R. Dubourget, K. Sasaki, S. Tanabe, H. Hibino, H. Kamata, M. Hashisaka, K. Muraki, and T. Fujisawa
    New Journal of Physics, 16, 063055 (2014).

  30. “量子ホール端における電荷密度波のダイナミクス”
    橋坂昌幸, 鎌田大, 藤澤利正, 熊田倫雄, 村木康二
    固体物理, vol. 49, No. 5, 359 (2014).

  31. “Cross-correlation measurement of quantum shot noise using homemade transimpedance amplifiers”
    M. Hashisaka, T. Ota, M. Yamagishi, K. Muraki, and T. Fujisawa
    Review of Scientific Instruments, 85, 054704 (2014).

  32. “Fractionalized wave packets from an artificial Tomonaga–Luttinger liquid”
    H. Kamata, N. Kumada, M. Hashisaka, K. Muraki, and T. Fujisawa
    Nature Nanotechnology 9, 177 (2014).

  33. “Single-electron counting statistics with a finite frequency bandwidth”
    N. Watase, M. Hashisaka, K. Muraki, and T. Fujisawa
    Japanese Journal of Applied Physics 53, 04EJ01 (2014).

  34. “Distributed-element circuit model of edge magnetoplasmon transport”
    M. Hashisaka, H. Kamata, N. Kumada, K. Washio, R. Murata, K. Muraki, and T. Fujisawa
    Physical Review B 88, 235409 (2013).

  35. “Plasmon transport in graphene investigated by time-resolved electrical measurements”
    N. Kumada, S. Tanabe, H. Hibino, H. Kamata, M. Hashisaka, K. Muraki, and T. Fujisawa
    Nature Communications 4, 1363 (2013).

  36. “Frequancy conversion of rf edge magnetoplasmons using a quantum point contact”
    M. Hashisaka, R. Murata, K. Muraki, and T. Fujisawa
    Applied Physics Letters 100, 233501 (2012).

  37. “Distributed electrochemical capacitance evidenced in high-frequency admittance measurements on a quantum Hall device”
    M. Hashisaka, K. Washio, H. Kamata, K. Muraki, and T. Fujisawa
    Physical Review B 85, 155424 (2012).

  38. “Correlation of 1/f noise between semiconductor point contacts with a common lead”
    M. Yamagishi, M. Hashisaka,K. Muraki, and T. Fujisawa
    Japanese Journal of Applied Physics 51, 02BJ08 (2012).

  39. “Shot noise induced by electron-nuclear spin-flip scattering in a non-equilibrium quantum wire”
    K. Chida, M. Hashisaka, Y. Yamauchi, S. Nakamura, T. Arakawa, T. Machida, K. Kobayashi and T. Ono
    Physical Review B 85, 041309(R) (2012).

  40. “Non-equilibrium transport in a quantum wire in the quantum Hall regime”
    K. Chida, M. Hashisaka, Y. Yamauchi, S. Nakamura, T. Arakawa, T. Machida, K. Kobayashi and T. Ono
    Journal of Physics: Conference Series 334, 012031 (2011).

  41. “Time resolved potential measurement at quantum point contacts under irradiation of surface acoustic burst wave”
    T. Fujisawa, K. Nishio, T. Nagase, M. Hashisaka, and K. Muraki
    AIP Conference Proceedings 1399, 269 (2011).

  42. “Dispersive lineshape of the resistively detected NMR in a quantum wire in the quantum Hall regime”
    K. Chida, M. Hashisaka, Y. Yamauchi, S. Nakamura, T. Arakawa, T. Machida, K. Kobayashi and T. Ono
    AIP Conference Proceedings 1399, 675 (2011).

  43. “Non-equilibrium fluctuation relation in a quantum coherent conductor”
    S. Nakamura, Y. Yamauchi, M. Hashisaka, K. Chida, K. Kobayashi, T. Ono, R. Leturcq, K. Ensslin, K. Saito, Y. Utsumi, A. C. Gossard
    AIP Conference Proceedings 1399, 329 (2011).

  44. “Fluctuation theorem and microreversibility in a quantum coherent conductor”
    S. Nakamura, Y. Yamauchi, M. Hashisaka, K. Chida, K. Kobayashi, T. Ono, R. Leturcq, K. Ensslin, K. Saito, Y. Utsumi, A. C. Gossard
    Physical Review B, 83 155431 (2011).

  45. “Admittance Measurement for a Quantum Point Contact in a Multi-terminal Quantum Hall Device”
    K. Washio, M. Hashisaka, H. Kamata, K. Muraki, and T. Fujisawa
    Japanese Journal of Applied Physics 50, 04DJ04 (2011).

  46. “Interferometric detection of edge magnetoplasmons in AlGaAs/GaAs heterostructures”
    M. Hashisaka, K. Washio, H. Kamata, K. Muraki, and T. Fujisawa
    Physica Status Solidi (C) 8, 381 (2011).

  47. “Temperature dependence of the visibility in an electronic Mach-Zehnder interferometer”
    M. Hashisaka, A. Helzel, S. Nakamura, L. Litvin, Y. Yamauchi, K. Kobayashi, T. Ono, H. -P. Tranitz, W. Wegscheider, C. Strunk
    Physica E 42, 1091 (2010).

  48. “Nonequilibrium Fluctuation Relations in a Quantum Coherent Conductor”
    S. Nakamura, Y. Yamauchi, M. Hashisaka, K. Chida, K. Kobayashi, T. Ono, R. Leturcq, K. Ensslin, K. Saito, Y. Utsumi, A. C. Gossard
    Physical Review Letters 104, 080602 (2010).

  49. “Bolometric shot noise detection in coupled quantum contacts”
    M. Hashisaka, Y. Yamauchi, S. Nakamura, S. Kasai, T. Ono, K. Kobayashi
    AIP conference proceedings 1199, 367 (2010).

  50. “Spin Polarization in a curvature-controlled quantum point contact”
    S. Nakamura, M. Hashisaka, Y. Yamauchi, S. Kasai, T. Ono, K. Kobayashi
    AIP conference proceedings 1199, 451 (2010).

  51. “Noise measurement system at electron temperature down to 20 mK with combinations of the low pass filters”
    M. Hashisaka, Y. Yamauchi, K. Chida, S. Nakamura, K. Kobayashi, T. Ono
    Review of Scientific Instruments 80, 096105 (2009).

  52. “Non-equilibrium dephasing in ballistic interferometers”
    Y. Yamauchi, M. Hashisaka, S. Nakamura, K. Chida, S. Kasai, T. Ono, R. Leturcq, K. Ensslin, D. C. Driscoll, A. C. Gossard, K. Kobayashi
    Journal of Physics: Conference Series 193, 012045 (2009).

  53. “Conductance anomaly and Fano factor reduction in quantum point contacts”
    S. Nakamura, M. Hashisaka, Y. Yamauchi, S. Kasai, T. Ono, K. Kobayashi
    Physical Review B 79, 201308(R) (2009).

  54. “Universality of Bias- and Temperature-induced Dephasing in Ballistic Electronic Interferometers”
    Y. Yamauchi, M. Hashisaka, S. Nakamura, K. Chida, S. Kasai, T. Ono, R. Leturcq, K. Ensslin, D. C. Driscoll, A. C. Gossard, and K. Kobayashi
    Physical Review B 79, 161306(R) (2009).

  55. “Bolometric Detection of Quantum Shot Noise in Coupled Mesoscopic Systems”
    M. Hashisaka, Y. Yamauchi, S. Nakamura, S. Kasai, T. Ono, K. Kobayashi
    Physical Review B 78, 241303(R) (2008).

  56. “Measurement for quantum shot noise in a quantum point contact at low temperatures”
    M. Hashisaka, Y. Yamauchi, S. Nakamura, S. Kasai, K. Kobayashi, T. Ono
    Journal of Physics: Conference Series 109, 012013 (2008).

  57. “Development of a measurement system for quantum shot noise at low temperatures”
    M. Hashisaka, S. Nakamura, Y. Yamauchi, S. Kasai, K. Kobayashi, T. Ono
    Physica Status Solidi (C) 5, 182 (2008).

  58. “Spin-filtering effect of ferromagnetic semiconductor La2NiMnO6”
    M. Hashisaka, D. Kan, A. Masuno, T. Terashima, M. Takano K. Mibu
    Journal of Magnetism and Magnetic Materials 310, 1975 (2007).

  59. “ Multiferroic thin film of Bi2NiMnO6 with ordered double-perovskite structure”
    M. Sakai, A. Masuno, D. Kan, M. Hashisaka, K. Takata, M. Azuma, M. Takano, Y. Shimakawa
    Applied Physics Letters 90, 072903 (2007).

  60. “Epitaxial growth of ferromagnetic La2NiMnO6 with ordered double-perovskite structure”
    M. Hashisaka, D. Kan, A. Masuno, M. Takano, Y. Shimakawa, T. Terashima, K. Mibu
    Applied Physics Letters 89, 032504 (2006).

  61. “New ferromagnetic ferroelectric Bi2NiMnO6 compound with double-perovskite structure”
    Y. Shimakawa, M. Azuma, K. Takata, M. Hashisaka, D. Kan, A. Masuno, M. Sakai, T. Terashima, K. Mibu, M. Takano
    Proc. In 12th US-Japan Seminar on Dielectric & Piezoelectric Ceramics 203, (2005).


Invited talks
  1. “Charge dynamics at a fractional-integer quantum Hall interface”
    M. Hashisaka
    EMPIR SEQUOIA online meeting, hosted by Physikalisch-Technische Bundesanstalt (Oct. 11-12, 2021).

  2. “Andreev reflection of fractional quantum Hall quasiparticles”
    M. Hashisaka
    Transport & Spectroscopy in 2D Systems (TS2DS), hosted by The Landau Institute for Theoretical Physics, online (Aug. 2-6, 2021).

  3. “量子ホール系界面における分数電荷のアンドレーエフ反射”
    橋坂 昌幸
    東京大学物性研究所ワークショップ「第2回ナノスケール物性科学の最先端と新展開」, オンライン (June 22, 2021).

  4. “Charge equilibration between counter-propagating v = 1/3 and v =1 quantum Hall edge channels”
    M. Hashisaka, T. Akiho, S. Sasaki, and K. Muraki
    The 11th InternationalConference on Advanced Materials and Devices (ICAMD 2019), Jeju, Korea (Dec. 10-13, 2019).

  5. “Two-step breakdown of a local v = 1 quantum Hall state”
    M. Hashisaka, K. Muraki, and T. Fujisawa
    The 7th International Workshop on Emergent Phenomena in Quantum Hall Systems (EPQHS-7), Beijing, China (June 3- June 5, 2019).

  6. “量子ホールエッジチャネル間の非平衡トンネル現象”
    橋坂 昌幸
    「メゾスコピック系における非平衡スピン輸送の微視的理解とその制御」研究会, 東京大学物性研究所 (2018.11.22-23).

  7. “量子ホール強磁性体へのスピン注入実験”
    橋坂 昌幸
    東北大学 電気通信研究所 共同プロジェクト研究会
    「電荷とスピンの制御に基づく精密物性科学の構築とデバイス応用」, 宮城県仙台市 (2018.11.1-2).

  8. “Tomonaga-Luttinger-liquid nature of quantum Hall edge excitations”
    M. Hashisaka, K. Muraki, and T. Fujisawa
    China-Japan International Workshop on Quantum Technologies (QTech2018), Hefei, China (Aug. 23- Aug. 26, 2018).

  9. “Fractional quasiparticles in the breakdown regime of a microscopic integer quantum Hall system”
    M. Hashisaka, K. Muraki, and T. Fujisawa
    Nanophysics, from fundamental to applications, Quy Nhon, Vietnam (July 30- Aug. 5, 2017).

  10. “カイラル量子ホールエッジチャネルにおけるスピン電荷分離現象”
    橋坂 昌幸, 檜山直晃, 秋保貴史, 村木康二, 藤澤利正
    第2回「トポロジーが紡ぐ物質科学のフロンティア」領域研究会, 宮城県仙台市 (2016.12.16-18).

  11. “Time-domain observation of spin-charge separation in copropagating quantum Hall edge channels”
    M. Hashisaka, N. Hiyama, T. Akiho, K. Muraki, and T. Fujisawa
    Mo-D-2, The 22nd International Conference on High Magnetic Fields in Semiconductor Physics (HMF-22), Sapporo, Japan (July 24-29, 2016).

  12. “Fractional quasiparticles in a local quantum Hall system”
    M. Hashisaka
    Gene. Topi. II, Collaborative Conference on 3D and Materials Research (CC3DMR) 2016, Incheon/seoul, South Korea (June 20-24, 2016).

  13. “Time-domain observation of spin- and charge-wave packet separation in chiral one-dimensional channels”
    M. Hashisaka, N. Hiyama, T. Akiho, K. Muraki, T. Fujisawa
    A29, Energy Material Nanotechnology (EMN) meeting on Optoelectronics, Phuket, Thailand (Apr. 12-15, 2016).

  14. “Fractional quasiparticle tunneling through a local quantum Hall system”
    M. Hashisaka
    C24, Energy Material Nanotechnology (EMN) meeting on Quantum, Phuket, Thailand (Apr. 8-11, 2016).

  15. “量子ホール端状態における電子ダイナミクスの実験的研究”
    橋坂 昌幸
    21aBG-3 若手奨励賞受賞記念講演　日本物理学会　第71回年次大会, 東北学院大学(仙台市)　(2016.3.19-22)

  16. “Fractional charge tunneling through a local fractional quantum Hall system measured using cross-correlation noise measurements”
    M. Hashisaka
    New Perspectives in Spintronic and Mesoscopic Physics (NPMSP), Kashiwa, Japan (Jun. 10-12, 2015).

  17. “Creation of Fractional Quasiparticles in a Tunneling Process through a Local Fractional Quantum Hall System”
    M. Hashisaka
    Kwant workshop, Grenoble, France (Jun. 1-5, 2015).

update: 2022/4/1