Result for "Quantum communication",460

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

International Symposium on Mesoscopic Superconductivity and Spintronics --- In the light of Quantum Computation ---

Quantum Computation --- International Symposium on Mesoscopic Superconductivity and Spintronics --- In the

https://www.rd.ntt/e/brl/result/activities/file/report03/E/data01.html

Loss-Tolerant Quantum Cryptography with Imperfect Sources

NTT Communication Science Laboratories, 3University of Vigo, 4University of Toronto Quantum key

https://www.rd.ntt/e/brl/result/activities/file/report14/report22E.html

Stable Molecular State of Photons and Artificial Atom Discovered｜NTT Basic Research Laboratories | NTT R&D Website

in areas such as quantum communication, quantum simulation and computation, or quantum metrology

https://www.rd.ntt/e/brl/latesttopics/2016/10/latest_topics_201610111735.html

NTT Communication Science Laboratories Open House 2018 Program

trained layered neural networks Science of Communication and Computation Can I borrow your quantum memory

https://www.rd.ntt/cs/event/openhouse/2018/program_en.html

D01-e.pdf

Commercialization Schedule #Carbon Neutral #Digital Infrastructure Creating a sustainable future through quantum

https://www.rd.ntt/forum/2025/doc/D01-e.pdf

NTT Communication Science Laboratories Open House 2018 Schedule

NTT Communication Science Laboratories Open House 2018 Schedule 日本語 English Home Greeting Program

https://www.rd.ntt/cs/event/openhouse/2018/schedule_en.html

Improving the Performance of Quantum Key Distribution | NTT R&D Website

Quantum Key DistributionNTT Basic Research Laboratories NTT Communication Science Laboratories Improving

https://www.rd.ntt/e/research/JN202304_21650.html

国際会議招待講演一覧

. Munro, "Quantum @ NTT", International Conference on Quantum Communication, Measurement and Computing

https://www.rd.ntt/brl/result/activities/file/report16/data11J.html

List of Invited Talks

2016). (5) W. J. Munro, "Quantum @ NTT", International Conference on Quantum Communication, Measurement

https://www.rd.ntt/e/brl/result/activities/file/report16/data10E.html

Welcome to MS+S2004 homepage !

Algorithms, Quantum Communication We expect about 250 participants. The symposium will be of oral and poster

https://www.rd.ntt/brl/event/ms s2004/scope.html

From Science to Innovative Technology

established in 1998, when the former BRL was divided into the Communication Science Laboratories and

https://www.rd.ntt/e/brl/result/activities/file/report03/E/hajimeni.html

Invited Talks

", 4th International Conference on Quantum Communication Measurement and Computing, Chicago, U.S.A

https://www.rd.ntt/e/brl/result/activities/file/report98/E/data/shotai.e.html

Dilemma between Quantum Speedup and Computational Reliability-Overcoming Errors with Efficient Verification Methods for Quantum Computing | NTT R&D Website

Errors with Efficient Verification Methods for Quantum ComputingNTT Communication Science Laboratories

https://www.rd.ntt/e/research/JN202308_22757.html

Design a World Where Everyone Can Flourish by Deciphering the Future of Individuals, Society, and the Earth-Communication Science That Connects the Past, Present, and Future through Diverse Knowledge and Technologies | NTT R&D Website

the Earth-Communication Science That Connects the Past, Present, and Future through Diverse Knowledge

https://www.rd.ntt/e/research/JN202308_22751.html

NTT Research Center for Theoretical Quantum Information | NTT R&D Website

communication protocols Quantum computer architecture, fault-tolerant quantum computer technologies, quantum

https://www.rd.ntt/e/tqp/

Updates | NTT R&D Website

/2026 Ensuring Safe and Secure Information Communication for the Future through Post-quantum Secure

https://www.rd.ntt/e/update_information/

国際会議招待講演一覧

overview", 4th International Conference on Quantum Communication and Computing, Evason, U.S.A. (1998

https://www.rd.ntt/brl/result/activities/file/report98/J/data/newshotai.html

NTT Communication Science Laboratories Open House 2017

NTT Communication Science Laboratories Open House 2017 日本語 English Home Greeting Program

https://www.rd.ntt/cs/event/openhouse/2017/exhibition/7/index_en.html

NTT Communication Science Laboratories Open House 2014 Program

of quantum search - Seiichiro Tani, Innovative Communication Laboratory Exhibition Program Big Data

https://www.rd.ntt/cs/event/openhouse/2014/program_en.html

Hiroki Takesue Homepage

communication and integrated quantum photonics Others Publications Photograph Back to Quantum Optical State

https://www.rd.ntt/brl/people/htakesue/

NTTBrl__E_h1

scientif ic progress . Central themes are quantum communication, physical computing with optical techniques

https://www.rd.ntt/e/brl/result/activities/file/annual_report/Annual_report_2017_E.pdf

Quantum key distribution over 200 km long optical fiber｜NTT Basic Research Laboratories | NTT R&D Website

Quantum key distribution over 200 km long optical fiber｜NTT Basic Research Laboratories | NTT R&D

https://www.rd.ntt/e/brl/latesttopics/2007/05/latest_topics_200705310001.html

東 浩司 | NTT R&D Website

2026 Fundamental Science: 2. Quantum Information and Communication 委員 International Conference on

https://www.rd.ntt/organization/researcher/superior/s_041.html

Have an Open Mind and Don’t Worry about Failure to Stay on the Cutting Edge of Science and Technology｜NTT R&D Website

can be exploited for quantum communication and allow us to overcome a number of weaknesses that were

https://www.rd.ntt/e/research/JN202108_14845.html

Demonstration of quantum cryptography without error rate monitoring｜NTT Basic Research Laboratories | NTT R&D Website

method to provide ultimately secure means of communication based on quantum physics. In quantum

https://www.rd.ntt/e/brl/latesttopics/2015/09/latest_topics_201509150148.html

Organization/Research Institute | NTT Science and Core Technology Laboratory Group | NTT R&D Website

electronics. Vice President Jun Terada Device Technology Laboratories Website Communication Science

https://www.rd.ntt/e/sclab/organization/

NTT R&D FORUM 2025 Event Report | NTT R&D Website

future in which quantum communication are linked to quantum sensors to build a global quantum computer

https://www.rd.ntt/e/forum/2025/

Ryo Nishimaki | NTT R&D Website

copy-protection to achieve secure communication and computation In this page Awards 2008 IEICE SCIS

https://www.rd.ntt/e/organization/researcher/special/s_029.html

Optical Parametric Amplification in Fiber

Takaaki Mukai Physical Science Laboratory     Quantum correlated two photons (entangled photon-pair) have

https://www.rd.ntt/e/brl/result/activities/file/report00/E/report16_e.html

NTT R&D FORUM 2025 EXHIBITION LIST | NTT R&D Website

Generative AI IOWN Quantum Sustainability Mobility NW Security Aerospace Digital Twin UI／UX Demonstration

https://www.rd.ntt/e/forum/2025/exhibitions/

poster_en.pdf

Abstract Related work Contact Opening the possibility of realizing quantum computers Yasuhiro

https://www.rd.ntt/cs/event/openhouse/2014/exhibition/9/poster_en.pdf

Post-Quantum Cryptography Technology | NTT R&D Website

Applications such as secure communication and authentication infrastructure using post-quantum cryptography

https://www.rd.ntt/e/research/SI0016.html

Overview of Quantum Optics and Optical Materials Research

Overview of Quantum Optics and Optical Materials Research Overview of Quantum Optics and Optical

https://www.rd.ntt/e/brl/result/activities/file/report98/E/hikari/hikari1.e.html

NTT Communication Science Laboratories Open House 2014 Schedule

NTT Communication Science Laboratories Open House 2014 Schedule 日本語 English Home Greeting Program

https://www.rd.ntt/cs/event/openhouse/2014/schedule_en.html

A13-e.pdf

requires post-quantum communication, computing resource protection like CPU memory protection and their

https://www.rd.ntt/forum/2025/doc/A13-e.pdf

List of Exhibitions | NTT R&D Website

Quantum γ08-03Quantum communication using multi-photon entanglement With this technology, we realize

https://www.rd.ntt/e/forum/2024/exhibit.html

Cutting-edge Research on Cryptography Theory in Response to Changes in Computing Environments | NTT R&D Website

methods. Regarding conventional cryptographic communication, the sender and receiver of information have a

https://www.rd.ntt/e/research/JN20200223_h.html

Fault-tolerant Technology for Quantum Information Processing and Its Implementation Methods｜NTT R&D Website

generate photons, which are used as qubits for quantum communication, with high efficiency and scalability

https://www.rd.ntt/e/research/JN202103_11045.html

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

Postselection. Proc. Theory of Quantum Computation, Communication and Cryptography (TQC). Aveiro, Portugal. Yuki

https://www.rd.ntt/cs/team_project/media/computing_theory/

NTT Basic Research Laboratories Theoretical quantum physics research group

applications such as quantum communication and computation. Our group working closely with experimentalists

https://www.rd.ntt/brl/group_introduction/ryouron-g/

Extracting Quantum Power by Using Algorithms and Their Verification | NTT R&D Website

Extracting Quantum Power by Using Algorithms and Their VerificationNTT Communication Science Laboratories

https://www.rd.ntt/e/research/JN202304_21634.html

Theoretical Approach to Overcome Difficulties in Implementing Quantum Computers｜NTT R&D Website

Theoretical Approach to Overcome Difficulties in Implementing Quantum Computers｜NTT R&D Website

https://www.rd.ntt/e/research/JN202103_11039.html

NTTBrl_honbun_E_230228_final.indd

Research Group Photonic Quantum Communication Control of quantum state of light and its application to

https://www.rd.ntt/brl/brl/result/activities/file/annual_report/Annual_report_2022_E.pdf

NTTBrl_honbun_E_230228_final.indd

Research Group Photonic Quantum Communication Control of quantum state of light and its application to

https://www.rd.ntt/e/brl/result/activities/file/annual_report/Annual_report_2022_E.pdf

List of Award Winners

Scientists’ Prize H. Okamoto A study of the quantum nanomechanical sensing technology Apr. 15, 2014

https://www.rd.ntt/e/brl/result/activities/file/report14/data04E.html

Contents

Superconducting Filters for Wireless Communication Semiconductor charge qubit GaN-Based Vertical Cavity Surface

https://www.rd.ntt/e/brl/result/activities/file/report03/E/2003_e.html

Generation of telecom-band polarization entangled photon pairs

important technological challenges for realizing quantum communication over optical fiber networks. We have

https://www.rd.ntt/e/brl/result/activities/file/report04/report26.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

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

research is focused on two themes: the coherent Ising machine (CIM) and quantum communication using multi

https://www.rd.ntt/e/research/JN202506_34177.html

NTTBrl_honbun_E_190306.indd

signal processing and to fundamental scientif ic progress . Central themes are quantum communication

https://www.rd.ntt/e/brl/result/activities/file/annual_report/Annual_report_2018_E.pdf