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Tomita Akihisa  富田 章久

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TOMITA Akihisa  富田 章久

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Researcher Number 60501434
Other IDs
Affiliation (Current) 2025: 国立研究開発法人情報通信研究機構, 量子ICT協創センター, 主管研究員
Affiliation (based on the past Project Information) *help 2019 – 2024: 北海道大学, 情報科学研究院, 教授
2018: 北海道大学, 情報科学研究科, 教授
Review Section/Research Field
Principal Investigator
Broad Section C
Except Principal Investigator
Basic Section 13010:Mathematical physics and fundamental theory of condensed matter physics-related / Basic Section 30020:Optical engineering and photon science-related
Keywords
Principal Investigator
安全性保証 / 量子ネットワーク / 光制御 / 量子通信 / 安全性証明 / 量子暗号ネットワーク / 安全性理論 / 量子暗号鍵配送 / 量子セキュアネットワーク / 量子鍵配送 … More / 情報理論的安全 / 情報通信ネットワーク基盤 / 情報通信ネットワーク / 秘密分散 / 量子暗号 … More
Except Principal Investigator
実装安全性 / 安全性証明 / 量子暗号 / 安全性 / 量子鍵配送 / 時間-周波数量子チャネル / 超短パルス / 時間-周波数自由度 / 時間自由度 / 弱値 / 量子インターネット / 量子光計測 / 光量子通信 / 弱測定 / 直接測定 / 量子トモグラフィ / 量子測定 Less
  • Research Projects

    (3 results)
  • Research Products

    (29 results)
  • Co-Researchers

    (6 People)
  •  量子暗号の実装安全性保証

    • Principal Investigator
      玉木 潔
    • Project Period (FY)
      2023 – 2026
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 13010:Mathematical physics and fundamental theory of condensed matter physics-related
    • Research Institution
      University of Toyama
  •  Direct measurement of time-frequency quantum channels of photons for the construction of the quantum internet infrastructure

    • Principal Investigator
      Ogawa Kazuhisa
    • Project Period (FY)
      2021 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 30020:Optical engineering and photon science-related
    • Research Institution
      Osaka University
  •  Information communication technology ensuring the long term security over a centuryPrincipal Investigator

    • Principal Investigator
      TOMITA Akihisa
    • Project Period (FY)
      2018 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (S)
    • Review Section
      Broad Section C
    • Research Institution
      Hokkaido University

All 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

  • [Journal Article] Analysis of the effects of the two-photon temporal distinguishability on measurement-device-independent quantum key distribution2023

    • Author(s)
      H-B. Ge, *A. Tomita, A. Okamoto, and K. Ogawa
    • Journal Title

      IEEE Transaction of Quantum Engineering

      Volume: 4 Pages: 1-8

    • DOI

      10.1109/tqe.2023.3259043

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Journal Article] Direct measurement of ultrafast temporal wavefunctions2021

    • Author(s)
      Kazuhisa Ogawa, Takumi Okazaki, Hirokazu Kobayashi, Toshihiro Nakanishi, and Akihisa Tomita
    • Journal Title

      Optics Express

      Volume: 29 Issue: 13 Pages: 19403-19416

    • DOI

      10.1364/oe.423969

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K04915, KAKENHI-PROJECT-18H05237
  • [Journal Article] State preparation robust to modulation signal degradation by use of a dual parallel modulator for high-speed BB84 quantum key distributionsystems2020

    • Author(s)
      W. Zhang, Y. Kadosawa, A. Tomita, K. Ogawa, and A. Okamoto
    • Journal Title

      Optics Express

      Volume: 28 Issue: 9 Pages: 13965-13977

    • DOI

      10.1364/oe.383175

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Journal Article] 量子暗号通信の最前線2019

    • Author(s)
      富田章久
    • Journal Title

      電子情報通信学会誌

      Volume: 102 Pages: 942-946

    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Journal Article] Implementation Security Certification of Decoy‐BB84 Quantum Key Distribution Systems2019

    • Author(s)
      Tomita Akihisa
    • Journal Title

      Advanced Quantum Technologies

      Volume: 2 Issue: 5-6 Pages: 1900005-1900005

    • DOI

      10.1002/qute.201900005

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] Research and Development Activities for Quantum Secure Cloud in Japan2023

    • Author(s)
      A. Tomita
    • Organizer
      The 9th ETSI/IQC Quantum Safe Cryptography Event
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] 量子鍵配送に向けた自己相関関数による光子数分布評価2023

    • Author(s)
      松本遼司,富田章久,岡本淳
    • Organizer
      第70回応用物理学会春季学術講演会
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] The Effect of Optimized Parameters on the Efficiency of QKD Systems2022

    • Author(s)
      T. Sato, A. Tomita and A. Okamoto, 22nd Asian Quantum Information Science Conference
    • Organizer
      The 22nd Asian Quantum Information Science Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] Toward social deployment of Quantum Key Distribution2022

    • Author(s)
      A. Tomita
    • Organizer
      The 22nd Asian Quantum Information Science Conference
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] DPQPSK用変調器を用いた高速QKDの量子状態生成2022

    • Author(s)
      菅原悠生,富田章久,岡本淳
    • Organizer
      第47回量子情報技術研究会
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] Practical Methods for Security Certification of Quantum Key Distribution2022

    • Author(s)
      A. Tomita
    • Organizer
      Quantum2.0
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] Activities on Quantum Information Technology in Japan2020

    • Author(s)
      A. Tomita
    • Organizer
      Quantum 2020
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] 光量子情報技術-数学を具現化する技術と実装を救う数学-2020

    • Author(s)
      富田 章久
    • Organizer
      JST-CRDS 数学と科学、工学の協働に関する連続セミナー 第3回
    • Invited
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] A Long-term Secure Data Transmission and Storage Network Based on Quantum Key Distribution2019

    • Author(s)
      Akihisa Tomita
    • Organizer
      Advanced Photonics Congress, Signal Processing in Photonic Communications
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] mplementation Security Certification of Quantum Key Distribution Devices2019

    • Author(s)
      Akihisa Tomita
    • Organizer
      Topical Conference on Quantum Communication and Security
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] デコイ法を用いた測定装置に依存しない量子鍵配送に対する二光子判別可能性の影響2019

    • Author(s)
      葛 皓波,富田 章久,小川 和久,岡本 淳
    • Organizer
      第41回 量子情報技術研究会(QIT41)
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] Quantum Key Distribution in the Real World2019

    • Author(s)
      Akihisa Tomita
    • Organizer
      第80回応用物理学会秋季学術講演会 (OSA joint session)
    • Invited
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] Implementation Security Certification of a Quantum Key Distribution System through Device Characterization2019

    • Author(s)
      Akihisa Tomita
    • Organizer
      Optical Fiber Communications Conference and Exhibition
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] デコイ法を用いた多光子パルスを削減できるBBM92量子暗号鍵配付プロトコルの数値解析2019

    • Author(s)
      松浦 巧,閔 亮,小川 和久,岡本 淳,富田 章久
    • Organizer
      第40回 量子情報技術研究会(QIT40)
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] State preparation robust to the modulation signal defeation by a dual-parallel modulator for high speed BB84 quantum key distribution systems2019

    • Author(s)
      Weiyang Zhang, Yu Kadosawa, Akihisa Tomita, and Kazuhisa Ogawa
    • Organizer
      ummer International Symposium on Big-Data, Cybersecurity and IoT
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] Analysis of the effects of the two-photon distinguishability on decoy state measurement-device-independent quantum key distribution2019

    • Author(s)
      Haobo Ge, Kazuhisa Ogawa, Atsushi Okamoto, and Akihisa Tomita
    • Organizer
      Topical Conference on Quantum Communication and Security,
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] Phase fluctuation of a gain-switched semiconductor laser for quantum key distribution2019

    • Author(s)
      Weiyang Zhang, Akihisa Tomita, Kazuhisa Ogawa, and Atsushi Okamoto
    • Organizer
      Winter International Symposium on Big-Data, Cybersecurity and IoT,
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] Numerical analysis of decoy state BBM92 quantum key distribution protocol with multi-photon rejection sourc2019

    • Author(s)
      Takumi Matsuura, Liang Min, Kazuhisa Ogawa, Atsushi Okamoto, and Akihisa Tomita
    • Organizer
      th International Conference on Quantum Cryptography (QCrypt 2019)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] Numerical analysis of decoy state BBM92 quantum key distribution protocol with multi-photon rejection source2019

    • Author(s)
      Takumi Matsuura, Liang Min, Kazuhisa Ogawa, Atsushi Okamoto, and Akihisa Tomita
    • Organizer
      opical Conference on Quantum Communication and Security,
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] Quantum Key Distribution - How do you know it's secure2018

    • Author(s)
      Akihisa Tomita
    • Organizer
      Okinawa School in Physics:Coherent Quantum Dynamics 2018
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] 量子暗号鍵配送ー最近の研究開発動向2018

    • Author(s)
      富田 章久
    • Organizer
      物性研短期研究会 量子情報・物性の新潮流
    • Invited
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] State tomographic characterization of BB84 states generated by a Dual-Parallel Modulator2018

    • Author(s)
      Weiyang Zhang・Akihisa Tomita・Yu Kadosawa・Kazuhisa Ogawa
    • Organizer
      第38回量子情報技術研究会
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] Characterization and Security Certification of a Practical Quantum Key Distribution System2018

    • Author(s)
      Akihisa Tomita
    • Organizer
      Laser Physics Workshop
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • [Presentation] State tomographic characterization of BB84 states generated by a Dual-Parallel Modulator2018

    • Author(s)
      Weiyang Zhang, Yu Kadosawa, Akihisa Tomita, Kazuhisa Ogawa, Atsushi Okamoto
    • Organizer
      8th International Conference on Quantum Cryptography
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H05237
  • 1.  玉木 潔 (20435928)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 2.  Ogawa Kazuhisa (80772574)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 3.  平野 琢也 (00251330)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  藤原 幹生 (70359066)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  丸山 耕司 (00425646)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  加藤 豪 (20396188)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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