Pursuing Electric Current Standard Using Single-electron Transfer Devices through International Collaboration | NTT R&D Website
), which is an experiment to verify the consistency of quantum electrical standards based on Ohm's law. Ohm
https://www.rd.ntt/e/research/JN202412_30711.html
Akira Fujiwara | NTT R&D Website
Silicon nanodevices, Single-electron devices, Quantum electrical standards More Research Activity Related
https://www.rd.ntt/e/organization/researcher/superior/s_016.html
Even If Facing Difficulties, Create New Value While Building on the Achievements of Your Predecessors|NTT R&D Website
triangle, which is an experiment to verify the consistency of quantum electrical standards. Specifically, I
https://www.rd.ntt/e/research/JN202112_16407.html
Accurately capturing individual electrons and transferring them at high speed. Single-electron transfer technology paves the way for an ultra-precise current standard. Interview with Gento Yamahata, Distinguished Researcher|NTT R&D Website
by one. In the future, this is expected to contribute to the electrical standards and measurement
https://www.rd.ntt/e/basic_research/0002.html
Accurately capturing individual electrons and transferring them at high speed. Single-electron transfer technology paves the way for an ultra-precise current standard. Interview with Gento Yamahata, Distinguished Researcher|NTT R&D Website
by one. In the future, this is expected to contribute to the electrical standards and measurement
https://www.rd.ntt/e/research/basic_research0002.html
High-speed single-electron transfer toward high-accuracy current standards|NTT Basic Research Laboratories | NTT R&D Website
addition, if we realize a device with much higher accuracy than traditional electrical standards, we can
https://www.rd.ntt/e/brl/latesttopics/2014/10/latest_topics_201410061802.html
List of Visitors’ Talks
. Peter Smith (University of Southampton, U.K.) Integrated photonic circuits for quantum information
https://www.rd.ntt/e/brl/result/activities/file/report16/data03E.html
Distinguished Technical Member
on May 23, 1963. He received the B.E., M.S. and Ph.D. degrees in electrical engineering from Tokyo
https://www.rd.ntt/e/brl/result/activities/file/report07/member05.html
Distinguished Researchers
Institute of Standards and Technology (NIST), Gaithersburg, MD, USA during 2003-2004. He was a director of
https://www.rd.ntt/e/brl/result/activities/file/report14/member07E.html
Observation of quantum-mechanical ultrafast coherent oscillations in a silicon single-electron device|NTT Basic Research Laboratories | NTT R&D Website
Observation of quantum-mechanical ultrafast coherent oscillations in a silicon single-electron
https://www.rd.ntt/e/brl/latesttopics/2019/11/latest_topics_201911051001.html
BRLセミナー 講演一覧
. Taylor (National Institute of Standards and Technology, U.S.A.) Solving quantum information challenges
https://www.rd.ntt/brl/result/activities/file/report16/data03J.html
Gento Yamahata Home Page
-electron transfer devices toward application to quantum current standards - OYO BUTURI Vol.87 No.2 p.121
https://www.rd.ntt/brl/people/yamahata/
Distinguished Researchers
currently a member of Quantum Solid State Physics Research Group. He received the Young Scientist Award of
https://www.rd.ntt/e/brl/result/activities/file/report16/member07E.html
Distinguished Researcher
the National Institute of Standards and Technology (NIST), Gaithersburg, MD, USA during 2003-2004. He
https://www.rd.ntt/e/brl/result/activities/file/report13/member07E.html
World-record accuracy of gigahertz high-speed single-electron transfer|NTT Basic Research Laboratories | NTT R&D Website
could be used for the quantum metrology triangle*4 experiments, which check the consistency of
https://www.rd.ntt/e/brl/latesttopics/2016/07/latest_topics_201607061949.html
Distinguished Researchers
2010. He is currently a member of Quantum Solid State Physics Research Group. He received the Young
https://www.rd.ntt/e/brl/result/activities/file/report15/member07E.html
Distinguished Researchers
the National Institute of Standards and Technology (NIST), Gaithersburg, MD, USA during 2003-2004. He
https://www.rd.ntt/e/brl/result/activities/file/report12/member08e.html
Latest Research Contents | NTT Basic Research Laboratories | NTT R&D Website
"." 02/24/2021 First high-speed quantum-safe randomness generation with realistic devices 02/01/2021 The
https://www.rd.ntt/e/brl/latesttopics/
Program_H170124.pdf
Tokyo “Electrical Conduction through Atomic/Nano Wires on Silicon” 12:00-12:20 Mo-4 M. Nagase1, K
https://www.rd.ntt/brl/event/nnci2005/Program_H170124.pdf
国際会議招待講演一覧
Quantum Key Distribution with Imperfect Light Sources", 3rd the European Telecommunications Standards
https://www.rd.ntt/brl/result/activities/file/report15/data11J.html
List of Invited Talks
Telecommunications Standards Institute/Institute for Quantum Computing Workshop on Quantum-Safe Cryptography (ETSI
https://www.rd.ntt/e/brl/result/activities/file/report15/data10E.html
R&D History | NTT R&D Website
Electrical Communication Laboratory under the Ministry of Communications 1950 Mass production of No.4
https://www.rd.ntt/e/about/chronicle/
I Wish to Contribute to the World through Research for the Rest of My Life | NTT R&D Website
Ising machine quantum random-number generator photonic neurons photonic spiking neurons As the
https://www.rd.ntt/e/research/JN202204_17846.html
Moving Ising Machines Forward While Taking a Step towards Quantum Networks by Multi-photon Entangled States Based on Time-bin Qubits | NTT R&D Website
Moving Ising Machines Forward While Taking a Step towards Quantum Networks by Multi-photon
https://www.rd.ntt/e/research/JN202506_34177.html
Nanodevices Research Group | NTT Basic Research Laboratories | NTT R&D Website
fundamental device physics and pursue applications in quantum electrical standards, high-performance sensors
https://www.rd.ntt/e/brl/group_introduction/group_004.html
Papers>>Single electrons -KN's HP-
electronics such as single-electron-based information processors and electrical standards in metrology
https://www.rd.ntt/brl/people/knishi50/paper_1.html
Hundredfold noise reduction in microwave and millimeter-wave signal generators with a laser source optical ruler""|NTT Basic Research Laboratories | NTT R&D Website
supported by JSPS KAKENHI Grant Numbers 24360143 and 26286067. => Press Release => Quantum Optical Physics
https://www.rd.ntt/e/brl/latesttopics/2016/05/latest_topics_201605171716.html
Research Activities
sheet. An AlGaN/GaN heterostructure, an InGaN/ GaN multiple-quantum-well (MQW) structure, and the MQW
https://www.rd.ntt/e/brl/result/activities/file/report11/Report_11.pdf
Report_16_E.pdf
NTT laboratories. NTT-BRL regularly organizes international conferences related to quantum physics and
https://www.rd.ntt/e/brl/result/activities/file/report16/Report_16_E.pdf
publication_list.pdf
-17, 2019, Atlanta, USA) [6] 金子晋久, Quantum Electrical Metrology and Revision of SI Units, 第 9 回半導体/超伝導
https://www.rd.ntt/brl/people/afuji/kakenS/sub/publication_list.pdf
NTTBrl_honbun_E_190306.indd
Research Institute of Electrical Communication, Tohoku University, RIEC Award Research on Advanced Quantum
https://www.rd.ntt/e/brl/result/activities/file/annual_report/Annual_report_2018_E.pdf
Papers -KN's HP-
information processors and electrical standards in metrology. Especially, high-frequency and high-accuracy
https://www.rd.ntt/brl/people/knishi50/paper_all.html
科研費(S) 単電子制御による量子標準・極限計測技術の開発
than 9.2 parts in 107, Appl. Phys. Lett. 109, 013101 (2016). N. Kaneko, Review of Quantum Electrical
https://www.rd.ntt/brl/people/afuji/kakenS/
NTT R&D FORUM 2025 Event Report | NTT R&D Website
to quantum computing, and a shift from electrical signals to physical systems based on optical
https://www.rd.ntt/e/forum/2025/
Report_12.pdf
-Resolved Electrical Measurements ♦ Impact of Graphene Quantum Capacitance on Transport Spectroscopy
https://www.rd.ntt/brl/result/activities/file/report12/Report_12.pdf
Report_12.pdf
-Resolved Electrical Measurements ♦ Impact of Graphene Quantum Capacitance on Transport Spectroscopy
https://www.rd.ntt/e/brl/result/activities/file/report12/Report_12.pdf
Activity report
resolution [1]. We aim at concurrent optical and electrical characterization of nanostructures (e.g. quantum
https://www.rd.ntt/e/brl/result/activities/file/report07/BRLreport_2007E.pdf
Complete Program (Oral+Poster)_21031024_ver2
Session 1: Quantum Computation 13:20~14:00 Tu-01 : The UC Santa Barbara quantum computing effort (Keynote
https://www.rd.ntt/brl/event/isntt2013/download/Complete_Program_oral_and_poster_r6.pdf
Conferences -KN's HP-
, Katsuhiko Nishiguchi, and Akira Fujiwara Tunable-barrier electron pump for quantum current standards and
https://www.rd.ntt/brl/people/knishi50/conference.html
BRLセミナー|NTT物性科学基礎研究所|NTT R&D Website
College 2015年9月25日 Serial Number 88 / FY15/22nd Quantum Electrical Metrology with Graphene SpeakerDr. JT
https://www.rd.ntt/brl/overview/brl-seminar.html
english.pdf
of the most significant conclusions from quantum mechanics, should be taken into account and
https://www.rd.ntt/e/brl/result/activities/file/report00/english.pdf
NTT-BRL Research Activities Vol 19
the Binding Energy and Bohr Radius of a Single Hydrogenic Defect in a Semiconductor Quantum Well It is
https://www.rd.ntt/e/brl/result/activities/file/report08/BRLreport_2008E.pdf
Report_15_E.pdf
conferences related to quantum physics and nanotechnology at NTT Atsugi R&D Center and also holds a "Science
https://www.rd.ntt/e/brl/result/activities/file/report15/Report_15_E.pdf
Annual_report_2023_E.pdf
electric standards and quantum devices. A small single-point-defect photonic crystal nanocavity (PCN) is
https://www.rd.ntt/brl/brl/result/activities/file/annual_report/Annual_report_2023_E.pdf
Annual_report_2023_E.pdf
electric standards and quantum devices. A small single-point-defect photonic crystal nanocavity (PCN) is
https://www.rd.ntt/e/brl/result/activities/file/annual_report/Annual_report_2023_E.pdf
Report_14_E.pdf
quantum physics and nanotechnology at NTT Atsugi R&D Center and also holds a "Science Plaza" to enhance
https://www.rd.ntt/e/brl/result/activities/file/report14/Report_14_E.pdf
Microsoft Word - CV-AkiraFujiwara.doc
Roadmap Committee of Japan) 2008.10-2016.4 Government Fund 2018-2022 JSPS KAKENHI S (Quantum Standards
https://www.rd.ntt/brl/people/afuji/CV-AkiraFujiwara.pdf
NTT物性科学基礎研究所の研究活動
measurement based quantum computation. (Page 38) -Ⅱ- Spectral distribution of attosecond pulse with (a) carbon
https://www.rd.ntt/e/brl/result/activities/file/report13/Report_13_e.pdf
Research Activities
-qubit are obtained. This improved device will accelerate research of quantum information processing via
https://www.rd.ntt/e/brl/result/activities/file/report10/Report_2010E.pdf
Research Activities
qubit state conditionally on the control qubit state, and SWAP, which swaps quantum states of the two
https://www.rd.ntt/e/brl/result/activities/file/report09/BRLreport_2009E.pdf