Success in distributing single photons for quantum cryptography via an optical switch|NTT Basic Research Laboratories | NTT R&D Website
Success in distributing single photons for quantum cryptography via an optical switch|NTT Basic
https://www.rd.ntt/e/brl/latesttopics/2005/06/latest_topics_200506141809.html
Takashi Yamakawa | NTT R&D Website
Physics, Affiliate Associate Professor Keywords Public key cryptography, Post-quantum cryptography
https://www.rd.ntt/e/organization/researcher/superior/s_040.html
Quantum Cryptography Experiment Using a Single-Photon Source
Quantum Cryptography Experiment Using a Single-Photon Source Quantum Cryptography Experiment Using
https://www.rd.ntt/e/brl/result/activities/file/report02/E/report17.html
Quantum key distribution over 200 km long optical fiber|NTT Basic Research Laboratories | NTT R&D Website
Realization of world’s fastest 10 GHz clock ultra-high speed quantum cryptography system NTT Basic Research
https://www.rd.ntt/e/brl/latesttopics/2007/05/latest_topics_200705310001.html
Uncrackable quantum cryptography over 'doubled' distances|NTT Basic Research Laboratories | NTT R&D Website
Uncrackable quantum cryptography over 'doubled' distances|NTT Basic Research Laboratories | NTT R
https://www.rd.ntt/e/brl/latesttopics/2015/12/latest_topics_201512161930.html
Secure Optical-transport-network Technology in Anticipation of the Quantum Computer Era | NTT R&D Website
-quantum cryptography IOWN Global Forum In the January 2022 issue of NTT Technical Review, we introduced
https://www.rd.ntt/e/research/JN202302_20961.html
Ryo Nishimaki | NTT R&D Website
, program obfuscation, program copy-protection, post-quantum cryptography, quantum information theory
https://www.rd.ntt/e/organization/researcher/special/s_029.html
Hiroki Takesue | NTT R&D Website
"quantum cryptography" to realize ultimately secure communication using photons and a "quantum neural
https://www.rd.ntt/e/organization/researcher/superior/s_009.html
Quantum Magic Protocols
contrast, quantum cryptography aims at performing security information processing through quantum-state
https://www.rd.ntt/e/brl/result/activities/file/report01/E/report17.html
10 GHz Clock Quantum Cryptography Experiment
10 GHz Clock Quantum Cryptography Experiment 10 GHz Clock Quantum Cryptography Experiment Hiroki
https://www.rd.ntt/e/brl/result/activities/file/report06/report25.html
Overview of Quantum Optics and Optical Materials Research
Control Research Group (1) Experimental and theoretical studies for quantum cryptography/computing
https://www.rd.ntt/e/brl/result/activities/file/report03/E/report15.html
Profile
development for realizing practical quantum cryptography systems," a member of NTT Team (October 2006-March
https://www.rd.ntt/brl/people/htakesue/bio.html
Fuyuki Kitagawa | NTT R&D Website
ones. We are also interested in the intersection between cryptography and quantum information such as
https://www.rd.ntt/e/organization/researcher/special/s_091.html
Projects | NTT Social Informatics Laboratories | NTT R&D Website
properties. Implementation/use of cryptography Hardware security Quantum security Cryptography Research
https://www.rd.ntt/e/sil/project/
Differential-Phase-Shift Quantum Key Distribution
Distribution Kyo Inoue Physical Science Laboratory Quantum cryptography, which provides an unconditionally
https://www.rd.ntt/e/brl/result/activities/file/report03/E/report16.html
Mehdi Tibouchi | NTT R&D Website
cryptographic technology. Developing tomorrow's cryptography, with richer functionalities and resistance against
https://www.rd.ntt/e/organization/researcher/special/s_022.html
Secure Optical Transport Network|NTT R&D Website
of quantum computers will pose a risk to current cryptographic systems, public-key cryptography and
https://www.rd.ntt/e/research/JN202111_16202.html
Demonstration of quantum cryptography without error rate monitoring|NTT Basic Research Laboratories | NTT R&D Website
Demonstration of quantum cryptography without error rate monitoring|NTT Basic Research
https://www.rd.ntt/e/brl/latesttopics/2015/09/latest_topics_201509150148.html
Overview of Quantum Optics and Optical Materials Research
Control Research Group (1) Quantum communication and information processing (quantum cryptography
https://www.rd.ntt/e/brl/result/activities/file/report01/E/report16.html
From Science to Innovative Technology
quantum computation and quantum cryptography. Taking advantage of its rich experience and knowledge in
https://www.rd.ntt/e/brl/result/activities/file/report04/hajimeni.html
Frontier Communication Laboratory | NTT Network Innovation Laboratories | NTT R&D Website
, we are also researching and developing "Quantum Communication" with the aim of achieving a computing
https://www.rd.ntt/e/mirai/organization/product_2/
Introduction of Evangelists | NTT Social Informatics Laboratories | NTT R&D Website
laboratory and is leading research on cryptography for the coming quantum era. Recipient of the 48th Ichimura
https://www.rd.ntt/e/sil/overview/evangelist/
Against a dogma, quantum repeaters for long-distance quantum communication are made all photonic.|NTT Basic Research Laboratories | NTT R&D Website
—such as quantum cryptography*2 and quantum teleportation*3—by utilizing quantum systems such as atoms
https://www.rd.ntt/e/brl/latesttopics/2015/04/latest_topics_201504151801.html
From Science to Innovative Technology
quantum information processing are quantum computation and quantum cryptography. Taking advantage of our
https://www.rd.ntt/e/brl/result/activities/file/report03/E/hajimeni.html
Single Photon Detection Using MgB2 Superconductor
Superconductor Hiroyuki Shibata Optical Science Laboratory Quantum cryptography is the ideal way to achieve
https://www.rd.ntt/e/brl/result/activities/file/report08/report26.html
国際会議招待講演一覧(2010年)
distribution/communication research in NTT", Updating Quantum Cryptography and Communication (UQCC) 2010, Tokyo
https://www.rd.ntt/brl/result/activities/file/report10/data09.html
List of Invited Talks at International Conferences (2010)
distribution/communication research in NTT", Updating Quantum Cryptography and Communication (UQCC) 2010, Tokyo
https://www.rd.ntt/e/brl/result/activities/file/report10/data09.html
From Science to Innovative Technology
goal is to develop practical applications such as quantum cryptography and quantum computing to
https://www.rd.ntt/e/brl/result/activities/file/report06/hajimeni.html
Number of Presentations
(SSDM 2015) 8 APS March Meeting 2016 7 5th International Conference on Quantum Cryptography (QCrypt2015
https://www.rd.ntt/e/brl/result/activities/file/report15/data07E.html
NTT Research Center for Theoretical Quantum Information | NTT R&D Website
Cryptographic techniques using quantum information, post-quantum cryptography Quantum algorithms and quantum
https://www.rd.ntt/e/tqp/
Hiroki Takesue Homepage
Hiroki Takesue Homepage Hiroki Takesue PhD, Group Leader, Senior Distinguished Scientist Quantum
https://www.rd.ntt/brl/people/htakesue/
From Science to Innovative Technology
goal is to develop practical applications such as quantum cryptography and quantum computing to
https://www.rd.ntt/e/brl/result/activities/file/report05/hajimeni.html
D03-08-e.pdf
encrypted by post quantum cryptography. Realize secure application infrastructure including; • Isolated
https://www.rd.ntt/forum/2024/doc/D03-08-e.pdf
国際会議発表件数と主な発表先
(SSDM 2015) 8 APS March Meeting 2016 7 5th International Conference on Quantum Cryptography (QCrypt2015
https://www.rd.ntt/brl/result/activities/file/report15/data08J.html
国際会議招待講演一覧 (2006)
. Tokura, "Latest Achievement in QKD Experiments at NTT", Updating Quantum Cryptography 2007, Tokyo, Japan
https://www.rd.ntt/brl/result/activities/file/report07/data10.html
List of Invited Talks at International Conferences (2007)
. Tokura, "Latest Achievement in QKD Experiments at NTT", Updating Quantum Cryptography 2007, Tokyo, Japan
https://www.rd.ntt/e/brl/result/activities/file/report07/data11.html
List of Visitor's Talks (Fiscal 2002) IV. Quantum Optics & Optical Materials
Alexandre Soujaeff CNRS, France "Research & Development of Quantum Cryptography system in CNRS" Aug. 9 Dr
https://www.rd.ntt/e/brl/result/activities/file/report02/E/data10.html
Computing Theory Research Group | NTT Communication Science Laboratories | NTT R&D Website
Nakahama (2024). Representation theory of sl(2,R). Mathematical Foundations for Post-Quantum Cryptography
https://www.rd.ntt/e/cs/team_project/media/computing_theory/
Overview of Research in Laboratories
quantum cryptography technique for use over double the previous distance and developed a new quantum
https://www.rd.ntt/e/brl/result/activities/file/report15/report00E.html
Latest Research Contents | NTT Basic Research Laboratories | NTT R&D Website
devices 12/16/2015 Uncrackable quantum cryptography over 'doubled' distances 09/15/2015 Demonstration of
https://www.rd.ntt/e/brl/latesttopics/
Loss-Tolerant Quantum Cryptography with Imperfect Sources
Loss-Tolerant Quantum Cryptography with Imperfect Sources Loss-Tolerant Quantum Cryptography with
https://www.rd.ntt/e/brl/result/activities/file/report14/report22E.html
国際会議招待講演一覧(2008)
Quantum Cryptography 2008, Tokyo, Japan (Dec. 2008). (22) Y. Tokura, "Latest progress in QKD experiments
https://www.rd.ntt/brl/result/activities/file/report08/data11.html
List of Invited Talks at International Conferences (2008)
, "Unconditional security proof of QKD and imperfections of devises", Updating Quantum Cryptography 2008, Tokyo
https://www.rd.ntt/e/brl/result/activities/file/report08/data12.html
G08-03-e.pdf
-03 Quantum communication using multi- photon entanglement We realize various quantum communication
https://www.rd.ntt/forum/2024/doc/G08-03-e.pdf
情報基礎理論研究グループ|NTTコミュニケーション科学基礎研究所|NTT R&D Website
Nakahama (2024). Representation theory of sl(2,R). Mathematical Foundations for Post-Quantum Cryptography
https://www.rd.ntt/cs/team_project/media/computing_theory/
Contents
Optics and Optical Materials Research Quantum Cryptography Experiment Using a Single-Photon Source High
https://www.rd.ntt/e/brl/result/activities/file/report02/E/2002_e.html
Overview of Quantum Optics and Optical Materials Research
information processing (proposal and verification of a new quantum cryptography, studies on quantum protocol
https://www.rd.ntt/e/brl/result/activities/file/report98/E/hikari/hikari1.e.html
Yu Sasaki | NTT R&D Website
the lab/center/dept Research on cryptography, particularly on symmetric-key cryptosystem including
https://www.rd.ntt/e/organization/researcher/special/s_019.html
List of Visitors' Talks (Fiscal 2007)
, U.S.A. "Experimental Quantum Teleportation of a Two-qubit Composite System" June 27 Prof. Norio
https://www.rd.ntt/e/brl/result/activities/file/report07/data07.html
In-house Award Winner's List (Fiscal 2002)
Award K. Inoue “Quantum Cryptography using Single Photon Sources” Feb. 12, 2003 NTT R&D Award M. Kasu
https://www.rd.ntt/e/brl/result/activities/file/report03/E/data05.html
Invited Talks
, Chicago, U.S.A. (1998, July) N. Imoto and M. Koashi, "Quantum cryptography based on photon interferometry
https://www.rd.ntt/e/brl/result/activities/file/report98/E/data/shotai.e.html
poster_en_7.pdf
Abstract Contact References Copyright (C) 2017 NTT Communication Science Laboratories Quantum key
https://www.rd.ntt/cs/event/openhouse/2017/exhibition/7/poster_en_7.pdf
国際会議招待講演一覧
. Koashi, "Quantum cryptography based on photon interferometry", 4th International Conference on Quantum
https://www.rd.ntt/brl/result/activities/file/report98/J/data/newshotai.html
Overview of Quantum Optics and Optical Materials Research
communication and information processing (proposal and verification of a new quantum cryptography, studies on
https://www.rd.ntt/e/brl/result/activities/file/report00/E/report15_e.html
来訪者による講演一覧 (2002年度) IV. 量子光学・光物性関連
Alexandre Soujaeff CNRS, France 「Research & development of quantum cryptography system in CNRS」 8月 9日 吉川 豊
https://www.rd.ntt/brl/result/activities/file/report02/J/data10.html
Overview of Quantum Optics and Optical Materials Research
processing (proposal and verification of a new quantum cryptography, studies on quantum protocols and quantum
https://www.rd.ntt/e/brl/result/activities/file/report99/E/qp/qp_overview.htm
About Us | NTT Social Informatics Laboratories | NTT R&D Website
utilization that balances usability and security; new data protection technology that utilizes cryptography as
https://www.rd.ntt/e/sil/overview/
Sceience Plaza
and quantum cryptography. In their talks, they discussed the novel possibility of Quantum Information
https://www.rd.ntt/e/brl/result/activities/file/report99/E/data/scienceplaza.htm
In-house Award Winners’ List (Fiscal 2005)
, 2005 NTT R&D Award T. Honjo H. Takesue Y. Tokura A. Sahara H. Takahashi "Quantum cryptography" Dec.14
https://www.rd.ntt/e/brl/result/activities/file/report05/data05.html
International Conference on Nanoelectronics, Nanostructures and Carrier Interactions
, novel quantum mechanical concepts such as quantum computing and quantum cryptography are attracting a
https://www.rd.ntt/e/brl/result/activities/file/report06/data02.html
武居 弘樹 | NTT R&D Website
issue on Quantum Communication and Cryptography in IEEE Journal of Selected Topics in Quantum
https://www.rd.ntt/organization/researcher/superior/s_009.html
Overview of Quantum Optics and Optical Materials Research
Group (1) Quantum communication and information processing (quantum cryptography/protocols, entanglement
https://www.rd.ntt/e/brl/result/activities/file/report02/E/report16.html
IOWN PETs | NTT R&D Website
into account compromising of post-quantum cryptography (PQC), which is said to be secure against
https://www.rd.ntt/sil/project/iown-pec/
Overview of Research in Laboratories
speed and long distance quantum cryptography, the polariton laser based on nitride semiconductor, and
https://www.rd.ntt/e/brl/result/activities/file/report04/report01.html
nternational Conference on Nanoelectronics, Nanostructures and Carrier Interactions
motion. In addition, novel quantum mechanical concepts like quantum computing and quantum cryptography
https://www.rd.ntt/e/brl/result/activities/file/report04/data04.html
来訪者による講演一覧 (2007年度)
University, U.S.A. 「Experimental Quantum Teleportation of a Two-qubit Composite System」 6月27日 川上 則雄 教授 京都大学
https://www.rd.ntt/brl/result/activities/file/report07/data06.html
Overview of Research in Laboratories
cryptography and quantum entangled photon pair generation, high-Q (10,000) compound semiconductor photonic
https://www.rd.ntt/e/brl/result/activities/file/report06/report01.html
Overview of Research in Laboratories
-dimensional photonic crystals. This year, we made great strides in the speed of quantum cryptography
https://www.rd.ntt/e/brl/result/activities/file/report05/report01.html
Optical Parametric Amplification in Fiber
, novel communications based on quantum nature of photons (e.g., quantum cryptography) is possible. For
https://www.rd.ntt/e/brl/result/activities/file/report00/E/report16_e.html
Contents
Cryptography Experiment Differential-phase Quantum Key Distribution Experiment Using a Series of Quantum
https://www.rd.ntt/e/brl/result/activities/file/report06/2006_E.html
Overview of Research in Laboratories
improvements of quantum cryptography using entangled photon pairs, optical properties of high quality
https://www.rd.ntt/e/brl/result/activities/file/report07/report01.html
Standardization Trends Related to Application- and Service-related Technologies | NTT R&D Website
anonymous authentication and post-quantum cryptography. In particular, post-quantum cryptography, which is
https://www.rd.ntt/e/research/JN202311_23708.html
Microsoft PowerPoint - B_パネル一覧0501.pptx
] K. Tamaki, M. Curty, G. Kato, H. K. Lo, K. Azuma, “Loss-tolerant quantum cryptography with imperfect
https://www.rd.ntt/cs/event/openhouse/2017/exhibition/7/poster7.pdf
Research Activities in NTT Basic Research Laboratories Vol. 25 (2014)
Monolithic Waveguide Platform Loss-Tolerant Quantum Cryptography with Imperfect Sources The Design of a
https://www.rd.ntt/e/brl/result/activities/file/report14/2014_E.html
E34_leaf_e.pdf
platform that continues to be enhanced with new features as needed, such as quantum-proof cryptography (PQC
https://www.rd.ntt/forum/2023/doc/E34_leaf_e.pdf
N05_leaf_e.pdf
Developing an architecture that flexibly combines key exchange and authentication with post-quantum
https://www.rd.ntt/forum/2023/doc/N05_leaf_e.pdf
MS+S2006 homepage
Workshop Workshop on Theory of Quantum Computation, Communication, and Cryptography Date: February 22-23
https://www.rd.ntt/brl/event/ms s2006/general.html
Quantum Key Distribution over 200 km of Fiber
Quantum Key Distribution over 200 km of Fiber Quantum Key Distribution over 200 km of Fiber Hiroki
https://www.rd.ntt/e/brl/result/activities/file/report07/report23.html
Open R&D <2024 Annual Report>|NTT R&D Website
Feature Articles) Toward Quantum Technology Innovation, Launch of APN IOWN1.0 Service, Toward More Robust
https://www.rd.ntt/e/about/openrd/
Profile
) Primary Guest Editor of the special issue on Quantum Communication and Cryptography in IEEE Journal of
https://www.rd.ntt/brl/people/htakesue/bioj.html
Overview of Research in Laboratories
undertaken theoretical studies on quantum cryptography assuming realistic environments. In addition, we have
https://www.rd.ntt/e/brl/result/activities/file/report14/report00E.html
量子コンピュータ時代を見据えたセキュア光トランスポートネットワーク技術 | NTT R&D Website
をプラスする取り組みとして、光伝送装置間で耐量子計算機暗号(PQC:Post-Quantum Cryptography)や量子鍵配送(QKD:Quantum Key Distribution)を用いて共通
https://www.rd.ntt/research/JN202302_20961.html
Tokyo QKD Network
each of their Quantum Key Distribution (QKD) system, and connected in Tokyo these systems as well as
https://www.rd.ntt/e/brl/result/activities/file/report10/report25.html
Publications
th International Conference on Quantum Cryptography (QCrypt 2015), poster 109, September 29, 2015
https://www.rd.ntt/brl/people/htakesue/papers.html
Award Winners’ List (Fiscal 2010)
and Technology, The Young Scientists’ Prize H. Takesue Research on High-speed, Long-distance Quantum
https://www.rd.ntt/e/brl/result/activities/file/report10/data04.html
In-house Award Winners’ List (Fiscal 2008)
H. Takesui K. Inoue Differential Phase Shift Quantum Cryptography Dec. 18, 2008 NTT R&D Award I
https://www.rd.ntt/e/brl/result/activities/file/report08/data05.html
A new scheme for manipulating the color of single photons|NTT Basic Research Laboratories | NTT R&D Website
quantum cryptography and quantum teleportation. For example, the telecommunications wavelength is the
https://www.rd.ntt/e/brl/latesttopics/2016/03/latest_topics_201603262135.html
R&D History | NTT R&D Website
Prototype of a new transistor using quantum thin line developed. Successful field test of a new optical
https://www.rd.ntt/e/about/chronicle/
Dr.Tatsuaki Okamoto | NTT R&D Website
) Quantum Computation (Kindai-Kagaku-Sha, 2015) Advent and Advance of Modern Cryptography (Kindai-Kagaku-Sha
https://www.rd.ntt/e/organization/researcher/fellow/f_001.html
Report on the NTT R&D Forum — Road to IOWN 2022|NTT R&D Website
Sessions Special Session 1 Protocols for Post Quantum Cryptography In Special Session 1, "Protocols for
https://www.rd.ntt/e/forum/2022/index.html
Report on the NTT R&D Forum — Road to IOWN 2022|NTT R&D Website
Sessions Special Session 1 Protocols for Post Quantum Cryptography In Special Session 1, "Protocols for
https://www.rd.ntt/e/forum/2022/
. Sugawa, S. Taie, R. Yamazaki, Y. Takahashi Updating Quantum Cryptography and Communications UQCC2010
https://www.rd.ntt/brl/people/inaba/presen.html
Visitor's Talks
Long Wavelength Quantum Cryptography Systems" 98.8.18 Dr. Alexander L. Efros Naval
https://www.rd.ntt/e/brl/result/activities/file/report98/E/data/seminar.e.html
APN-controller Technology for IOWN Service Provision and Expansion | NTT R&D Website
cryptographic algorithms. NIST has also promoted a standardization of post-quantum cryptography (PQC), a
https://www.rd.ntt/e/research/JN202311_23716.html
来訪者による講演一覧
Quantum Cryptography Systems" 98.8.18 Dr. Alexander L. Efros Naval Research Laboratory, U
https://www.rd.ntt/brl/result/activities/file/report98/J/data/newseminar.html
開かれたR&D <2024年報>|NTT R&D Website
) Plasmon Control Technology, The Forefront of Cryptography Research with an Eye on the Quantum Era
https://www.rd.ntt/about/openrd/
岡本 龍明 | NTT R&D Website
Theory and Practice of Public-Key Cryptography) (2004~2022) TCC (Theory of Cryptography Conference) (2003
https://www.rd.ntt/organization/researcher/fellow/f_001.html
岡本龍明_略歴・業績リスト
客員研究員 2007-2018 日本電信電話株式会社 セキュアプラットフォーム研究所 特別研究室長 2019-現在 NTT Research, Cryptography and Information
https://www.rd.ntt/organization/researcher/fellow/achievements_okamoto.html
Research and Development for Pioneering a New Communications Paradigm with Wide-area Coverage | NTT R&D Website
) assuming air and outer space as media, and quantum cryptography communications for achieving the ultimate
https://www.rd.ntt/e/research/JN202205_18109.html
Security as Driving Force of the Future|NTT R&D Website
through cryptography; similarly, the web and cloud came into being as means of safely storing information
https://www.rd.ntt/e/research/JN202111_16195.html