Against a dogma, quantum repeaters for long-distance quantum communication are made all photonic.|NTT Basic Research Laboratories | NTT R&D Website
Against a dogma, quantum repeaters for long-distance quantum communication are made all photonic
https://www.rd.ntt/e/brl/latesttopics/2015/04/latest_topics_201504151801.html
Fundamental Rate-loss Trade-off for the Quantum Internet
communication tasks ?such as quantum teleportation and quantum key distribution (QKD)?freely between any clients
https://www.rd.ntt/e/brl/result/activities/file/report16/report21E.html
G08-04-e.pdf
quantum communication network # Improving customers’ experience A quantum network is realizable with
https://www.rd.ntt/forum/2024/doc/G08-04-e.pdf
NTT Communication Science Laboratories Open House 2014 Opening the possibility of realizing quantum computers - Constant-step quantum circuits can compute the OR function -
NTT Communication Science Laboratories Open House 2014 Opening the possibility of realizing
https://www.rd.ntt/cs/event/openhouse/2014/exhibition/9/index_en.html
Uncrackable quantum cryptography over 'doubled' distances|NTT Basic Research Laboratories | NTT R&D Website
devices without quantum repeaters*2. This protocol enables us to expand the communication range from 400
https://www.rd.ntt/e/brl/latesttopics/2015/12/latest_topics_201512161930.html
Toward a Quantum Internet | NTT R&D Website
accomplishing quantum metrology and quantum computer networks as well as quantum communication among arbitrary
https://www.rd.ntt/e/research/JN202304_21666.html
NTT Communication Science Laboratories Open House 2013 Quantum information exchange employing optics - Optimal entanglement generation protocol with laser light -
NTT Communication Science Laboratories Open House 2013 Quantum information exchange employing
https://www.rd.ntt/cs/event/openhouse/2013/exhibition/computing3/index_en.html
Developing a Theory for a Quantum Internet for Global Quantum Communication | NTT R&D Website
Developing a Theory for a Quantum Internet for Global Quantum Communication | NTT R&D Website NTT
https://www.rd.ntt/e/research/JN202408_28857.html
First proof-of-principle experiment of quantum repeaters with all photonics|NTT Basic Research Laboratories | NTT R&D Website
communication as the corresponding version of communication, the whole of which is now called quantum
https://www.rd.ntt/e/brl/latesttopics/2019/01/latest_topics_201901252028.html
All-photonic Intercity Quantum Key Distribution
the direct transmission. Quantum repeaters enable us to perform QKD over any communication distance
https://www.rd.ntt/e/brl/result/activities/file/report15/report24E.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/
Hiroki Takesue | NTT R&D Website
communication using photons and a "quantum neural network" that solves complex optimization problems using
https://www.rd.ntt/e/organization/researcher/superior/s_009.html
Heterogeneous Materials and Devices Research Group|Device Technology Laboratories|NTT R&D Website
communication devices cannot be used as-is in quantum systems. For example, regular fast photodetectors often
https://www.rd.ntt/e/dtl/technology/heterogeneous_materials_and_devices_research_group_ntt_device_technology_laboratories_ntt_rd_website.html
poster_en9.pdf
realizing quantum communication is thought to be a combination of a weak laser pulse and an optical fiber
https://www.rd.ntt/cs/event/openhouse/2013/exhibition/computing3/poster_en9.pdf
NTT Communication Science Laboratories Open House 2014
quantum search - Seiichiro Tani, Innovative Communication Laboratory Abstract Quantum computers, which are
https://www.rd.ntt/cs/event/openhouse/2014/talk/research3/index_en.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
Innovation in Computing Powered by Photonic Technology--Evolution toward IOWN 2.0 and 3.0, and the Leap to Quantum | NTT R&D Website
agreement aimed at the development of optical quantum computers. By combining NTT's optical communication
https://www.rd.ntt/e/forum/2025/keynote_1.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
Quantum Information Science | NTT Communication Science Laboratories | NTT R&D Website
Quantum Information Science | NTT Communication Science Laboratories | NTT R&D Website NTT R&D
https://www.rd.ntt/e/cs/team_project/media/computing_theory/research_media13.html
NTT Communication Science Laboratories Open House 2018
NTT Communication Science Laboratories Open House 2018 日本語 English Home Greeting Program
https://www.rd.ntt/cs/event/openhouse/2018/exhibition/8/index_en.html
Security Based on Quantum Information Technology and Data Protection of Quantum Information|NTT R&D Website
to develop quantum repeaters and construct a large-scale quantum network. Since quantum communication
https://www.rd.ntt/e/research/JN202104_12240.html
NTT Communication Science Laboratories Open House 2020
NTT Communication Science Laboratories Open House 2020 English 日本語 Home Greetings Lecture scripts
https://www.rd.ntt/cs/event/openhouse/2020/exhibition8/index_en.html
Event | Science and Core Technology Laboratory Group | NTT R&D Website
Nanodevices and quanTum Technologies 05/20/2026 NTT Communication Science Laboratories Open House 2026 05/20
https://www.rd.ntt/e/sclab/event/
NTT Communication Science Laboratories Open House 2019
NTT Communication Science Laboratories Open House 2019 English 日本語 Home Greetings Program Access
https://www.rd.ntt/cs/event/openhouse/2019/exhibition9/index_en.html
NTT Basic Research Laboratories Theoretical quantum physics research group / Reseach
, the quantum internet is composed of information processing nodes and communication channels. However
https://www.rd.ntt/brl/group_introduction/ryouron-g/research.html
Quantum Magic Protocols
is the proposal of quantum communication protocol for cipher-text transmission that allows repeated
https://www.rd.ntt/e/brl/result/activities/file/report01/E/report17.html
スライド 1
to identify the state by using an ordinary communication channel unknown quantum state ordinary
https://www.rd.ntt/cs/event/openhouse/2019/download/09_b_en.pdf
no_23_en.pdf
“quantum repeater”- Contact: (1) Joint measurement Alice Bob (2)Classical communication (5) Formation of
https://www.rd.ntt/brl/event/splaza2009/poster/EN/no_23_en.pdf
D02-e.pdf
fabrication methods. • High-speed quantum detection combining NTT’s optical communication expertise. NTT's
https://www.rd.ntt/forum/2025/doc/D02-e.pdf
The Design of a Scalable and Distributed Quantum Information Processor in Diamond
’s experiments to tomorrow’s scalable quantum computers and communication networks. Here, we develop
https://www.rd.ntt/e/brl/result/activities/file/report14/report23E.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
Koji Azuma | NTT R&D Website
Committee Member of the CLEO 2026 Fundamental Science: 2. Quantum Information and Communication Technical
https://www.rd.ntt/e/organization/researcher/superior/s_041.html
Profile
Communications Technology (NICT) of Japan, "Research on quantum communication technologies using entangled
https://www.rd.ntt/brl/people/htakesue/bio.html
NTT Communication Science Laboratories Open House 2018
NTT Communication Science Laboratories Open House 2018 日本語 English Home Greeting Program
https://www.rd.ntt/cs/event/openhouse/2018/talk/research1/index_en.html
Publications
. Miquel, "Quantum communication experiments using telecom-band entangled photons," IEICE Trans
https://www.rd.ntt/brl/people/htakesue/papers.html
NTT Communication Science Laboratories Open House 2016
NTT Communication Science Laboratories Open House 2016 日本語 English Home Greeting Program
https://www.rd.ntt/cs/event/openhouse/2016/exhibition/9/index_en.html
Ensuring Safe and Secure Information Communication for the Future through Post-quantum Secure Cryptography and Proof of Deletion Technologies | NTT R&D Website
Ensuring Safe and Secure Information Communication for the Future through Post-quantum Secure
https://www.rd.ntt/e/research/JN202603_38465.html
Achieving IOWN/6G and Creating New Value with World-leading Technologies | NTT R&D Website
communication technology To network many quantum computers and exponentially improve computing power, we are
https://www.rd.ntt/e/research/JN202405_26173.html
NTT Communication Science Laboratories Open House 2018
NTT Communication Science Laboratories Open House 2018 日本語 English This year the NTT Communication
https://www.rd.ntt/cs/event/openhouse/2018/en_simple/index_en.html
NTT Communication Science Laboratories Open House 2015
NTT Communication Science Laboratories Open House 2015 日本語 English Home Greeting Program
https://www.rd.ntt/cs/event/openhouse/2015/exhibition/14/index_en.html
General Information | ISNTT2026
emphasis on the latest topics and trends. Scope Quantum communication and networks Quantum computations and
https://www.rd.ntt/brl/event/isntt2026/general-information.html
A new scheme for manipulating the color of single photons|NTT Basic Research Laboratories | NTT R&D Website
biomedical sciences. Meanwhile, wavelength conversion of single photons is crucial for quantum communication
https://www.rd.ntt/e/brl/latesttopics/2016/03/latest_topics_201603262135.html
Computing Theory Research Group | NTT Communication Science Laboratories | NTT R&D Website
communication protocols on the internet and efficient computing algorithms on quantum computers etc. are being
https://www.rd.ntt/e/cs/team_project/media/computing_theory/
Research Groups | NTT Basic Research Laboratories | NTT R&D Website
communication and information processing by harnessing both the quantum nature and analog characteristics of
https://www.rd.ntt/e/brl/group_introduction/
国際会議招待講演一覧(2008)
国際会議招待講演一覧(2008) 国際会議招待講演一覧(2008) Ⅲ. 量子光物性関連 (1) H. Takesue, "Quantum communication experiments
https://www.rd.ntt/brl/result/activities/file/report08/data11.html
List of Invited Talks at International Conferences (2008)
Conferences (2008) III. Optical Science Laboratory (1) H. Takesue, "Quantum communication experiments using
https://www.rd.ntt/e/brl/result/activities/file/report08/data12.html
Optical Technologies for Optical Quantum Computing with Continuous Variables | NTT R&D Website
optical quantum computers using optical fiber communication technology. Toshikazu Hashimoto/Takeshi Umeki
https://www.rd.ntt/e/research/JN202304_21560.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
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
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