Result for "Quantum information theory",229

Developing a Theory for a Quantum Internet for Global Quantum Communication | NTT R&D Website

theoretical research on quantum information theory, especially quantum repeaters and quantum internet. He was

https://www.rd.ntt/e/research/JN202408_28857.html

[基礎数学セミナー] 「Quantum information theory and non-commutative Martin boundaries」開催のお知らせ | NTT R&D Website

[基礎数学セミナー] 「Quantum information theory and non-commutative Martin boundaries」開催のお知らせ | NTT R&D

https://www.rd.ntt/ifm/topics/lecture-20251002.html

Computing Theory Research Group | NTT Communication Science Laboratories | NTT R&D Website

quantum computation," Recent progress in theoretical physics based on quantum information theory, 2021

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

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

on quantum information theory, 2021. 2020 論文 G. Kato, M. Owari, and K. Maruyama, "Algebra and Hilbert

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

no_24_en.pdf

NTT Basic Research Laboratories Nonlocality in Quantum Theory - Counter-intuitively correlated

https://www.rd.ntt/brl/event/splaza2009/poster/EN/no_24_en.pdf

poster_en_7.pdf

party. 07 Go Kato Computing Theory Research Group, Media Information Science Laboratory E-mail: kato.go

https://www.rd.ntt/cs/event/openhouse/2017/exhibition/7/poster_en_7.pdf

Welcome to MS+S2004 homepage !

Magnetic Semiconductor Quantum effect in nano-structure Quantum Information theory Quantum Computation and

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

NTT Basic Research Laboratories Theoretical quantum physics research group / Reseach

physics and quantum information processing. We are interested in how it can be applied to the real-world

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

Pursuing Fundamental Theory and Applied Technology of Cryptography That Is Secure in an Environment in Which Quantum Computers Are Widespread | NTT R&D Website

Which Quantum Computers Are Widespread 10/28/2024 Pursuing Fundamental Theory and Applied Technology of

https://www.rd.ntt/e/research/JN202408_28852.html

NTT Basic Research Laboratories Theoretical quantum physics research group

Quantum theory is the basis of modern physics and explains the nature and behaviour of matter and energy

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

An Entanglement Analogue in Light Cones

). Each unit sphere can be identified with the Bloch sphere of a qubit in quantum information theory. Thus

https://www.rd.ntt/e/brl/result/activities/file/report15/report23E.html

Ryo Nishimaki | NTT R&D Website

-quantum cryptography, quantum information theory Related Contents

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

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 2019

quantum information processing tasks, our research widely contributes to the future information society

https://www.rd.ntt/cs/event/openhouse/2019/exhibition9/index_en.html

Introduction of Evangelists | NTT Social Informatics Laboratories | NTT R&D Website

areas of cryptography and information security, with a recent interest in the fundamental theory of

https://www.rd.ntt/e/sil/overview/evangelist/

NTT Communication Science Laboratories Open House 2020

constructing a noise-less quantum computer or any other noise-less device for quantum information processing

https://www.rd.ntt/cs/event/openhouse/2020/exhibition8/index_en.html

Security Based on Quantum Information Technology and Data Protection of Quantum Information｜NTT R&D Website

achieve secure encrypted communication without the power of quantum information theory, but we can enhance

https://www.rd.ntt/e/research/JN202104_12240.html

Fuyuki Kitagawa | NTT R&D Website

cryptography and design of quantum cryptographic primitives We study the theory of public key encryption

https://www.rd.ntt/e/organization/researcher/special/s_091.html

Theory of Quantum Dynamics During a Qubit Readout Process with a Josephson Bifurcation Amplifier

Theory of Quantum Dynamics During a Qubit Readout Process with a Josephson Bifurcation Amplifier

https://www.rd.ntt/e/brl/result/activities/file/report09/report20.html

3rd NTT-BRL School

", which is closely related to the research on quantum information processing that NTT BRL is now

https://www.rd.ntt/e/brl/result/activities/file/report05/data02.html

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

-correcting codes for large-scale quantum computers. This method involves encoding information on a single

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

University Theory for Thermal Oxidetaion of Silicon

University Theory for Thermal Oxidetaion of Silicon Universal Theory for Thermal Oxidation of

https://www.rd.ntt/e/brl/result/activities/file/report99/E/dp/dp3.htm

スライド 1

vulnerability of QSS. Since quantum state discrimination lies at the heart of many quantum information

https://www.rd.ntt/cs/event/openhouse/2019/download/09_b_en.pdf

Suguru Endo | NTT R&D Website

, Quantum information theory More Research Activity Related Contents

https://www.rd.ntt/e/organization/researcher/special/s_095.html

poster_en9.pdf

Related works Contact 9 Quantum information exchange employing optics Abstract----- Quantum

https://www.rd.ntt/cs/event/openhouse/2013/exhibition/computing3/poster_en9.pdf

スライド 1

computer or any other noise-less device for quantum information processing. If we can construct such a

https://www.rd.ntt/cs/event/openhouse/2020/download/b_08_en.pdf

Koji Azuma | NTT R&D Website

Research LaboratoriesMore researchers belonging to the lab/center/dept Building theory for quantum networks

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

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

) regarding quantum information processing technology are first described. The latest topics concerning post

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

SIMULATING COMPLEX QUANTUM NETWORKS WITH TIME CRYSTALS｜NTT Basic Research Laboratories | NTT R&D Website

and obtain information of the system at the relevant discrete points of its quantum dynamics. “We

https://www.rd.ntt/e/brl/latesttopics/2020/10/latest_topics_202010171410.html

List of Visitor’s Talks (Fiscal 2004)

future quantum information technology” Dec. 1 Prof. V. Y Prinz Russian Academy of Science, Russia

https://www.rd.ntt/e/brl/result/activities/file/report04/data07.html

NTT Institute for Fundamental Mathematics | NTT R&D Website

diverse fields including post-quantum cryptography, cosmology, particle physics and string theory

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

Next-generation "Secure Public-key Cryptography" as a Solution to the Rapidly Growing Digital Threat | NTT R&D Website

protecting digital information is public-key cryptography. Under the expectation that quantum computers will

https://www.rd.ntt/e/research/JN202508_35343.html

List of Invited Talks at International Conferences (Jan. 2014 - Mar. 2015)

Networks", Quantum Information and Measurement 2014, Berlin, Germany (Mar. 2014). (2) H. Sanada, Y

https://www.rd.ntt/e/brl/result/activities/file/report14/data11E.html

New approach to the realization of a long-lived quantum memory for quantum computation｜NTT Basic Research Laboratories | NTT R&D Website

to realize a qubit, how to store quantum information in it, and how to implement quantum gate

https://www.rd.ntt/e/brl/latesttopics/2014/04/latest_topics_201404082025.html

Experimental demonstration of quantum memory in diamond｜NTT Basic Research Laboratories | NTT R&D Website

centers in diamond). These results indicate that quantum information manipulated in flux qubits can be

https://www.rd.ntt/e/brl/latesttopics/2011/10/latest_topics_201110130206.html

スライド 1

shallow quantum circuits,” arXiv:1608.07020v3. Seiichiro Tani Media Information Laboratory, Computing

https://www.rd.ntt/cs/event/openhouse/2018/exhibition/8/poster_en_8.pdf

First Experimental Demonstration of a Phenomenon That Had Not Been Verified for More Than 20 Years Since Its Theory Was Proposed | NTT R&D Website

Since Its Theory Was Proposed | NTT R&D Website NTT R&D Website Research&Activity First Experimental

https://www.rd.ntt/e/research/JN202312_24208.html

国際会議招待講演一覧（2014年1月～2015年3月）

. Stephens, S. J. Devitt, K. A. Harrison, and K. Nemoto, "The Role of Memories in Quantum Networks", Quantum

https://www.rd.ntt/brl/result/activities/file/report14/data12J.html

Communication Science that Adapts to the Changing Present and Creates a Sustainable Future-Aiming to Create Technology that Brings Harmony and Symbiosis among People, Society, and the Environment | NTT R&D Website

abilities as humans, i.e., seeing, listening, and speaking, as well as quantum information theory and

https://www.rd.ntt/e/research/JN202208_19139.html

List of Visitor’s Talks (Fiscal 2004)

Solid state based quantum information, within the Cooperative Research Center 6317」 10月14日 Dr. Ch. vom

https://www.rd.ntt/brl/result/activities/file/report04/data07.html

Against a dogma, quantum repeaters for long-distance quantum communication are made all photonic.｜NTT Basic Research Laboratories | NTT R&D Website

proposed the theory of all-photonic quantum repeaters for long-distance quantum communication, disproving a

https://www.rd.ntt/e/brl/latesttopics/2015/04/latest_topics_201504151801.html

International School and Symposium on Nanoscale Transport and Photonics - ISNTT2019 -

: Cavity Quantum Electrodynamics beyond Strong Coupling Dr Kouichi Semba National Institute of Information

https://www.rd.ntt/brl/event/isntt2019/brl_school.html

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

Projects | NTT Social Informatics Laboratories | NTT R&D Website

prediction of both real and virtual social information. Next-generation wide-area complex cyber-physical

https://www.rd.ntt/e/sil/project/

Semiconductor quantum dots with single-atom precision｜NTT Basic Research Laboratories | NTT R&D Website

quantum information processing. However, the influence of microfabrication error becomes more serious as

https://www.rd.ntt/e/brl/latesttopics/2014/06/latest_topics_201406300201.html

poster_en.pdf

Tani Computing Theory Research Group, Media Information Laboratory E-mail：tani.seiichiro(at)lab.ntt.co

https://www.rd.ntt/cs/event/openhouse/2016/exhibition/9/poster_en.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

Updates | NTT R&D Website

Secure Information Communication for the Future through Post-quantum Secure Cryptography and Proof of

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

International Symposium on Quantum Optics and Mesoscopic Physics

, microlaser, cold atoms, quantum statistics of excitons and atoms, and quantum information. The symposium

https://www.rd.ntt/e/brl/result/activities/file/report98/E/data/symposium.e.htm

Research of Cryptographic Protocols for Secure Communications in the Quantum Computer Era | NTT R&D Website

post-quantum cryptography in 2017, and because the demand for information security systems that can

https://www.rd.ntt/e/research/JN202212_20406.html

Microsoft Word - abstract.doc

, Diluted Magnetic Semiconductor, Quantum effect in nano-structure, and Quantum Information theory. Please

https://www.rd.ntt/brl/event/ms s2006/abstract.pdf

: Transport Properties In Quantum Nanostructure Main Program Set of lectures on "Theory of Quantum Dots

https://www.rd.ntt/brl/event/brlschool2004/main.html

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

quantum information theory and quantum algorithm including an exciting lecture by prof. Seth Lloyd (MIT

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

Instructions for Preparing Abstracts for MS+S2004

, Diluted Magnetic Semiconductor, Quantum effect in nano-structure, and Quantum Information theory. Please

https://www.rd.ntt/brl/event/ms s2004/abstract.doc

Microsoft Word - abstract.doc

Semiconductor, Quantum effect in nano-structure, and Quantum Information theory. Please find up-to-date

https://www.rd.ntt/brl/event/ms s2004/abstract.pdf

Instructions for Preparing Abstracts for MS+S2004

Information theory. Please find up-to-date information on the symposium website. Participants who wish to

https://www.rd.ntt/brl/event/ms s2006/abstract.doc

6th NTT-BRL School

lectures entitled "Theory, practice and applications of Superconducting Quantum Interference Devices

https://www.rd.ntt/e/brl/result/activities/file/report13/data01E.html

Light-matter Interaction and Zeta Functions | NTT R&D Website

the modern world, the development of quantum information technologies requires the understanding and

https://www.rd.ntt/e/research/JN202407_27020.html

Fundamental Limit to Qubit Control with Coherent Field

electromagnetic field is regarded as the most promising building block of quantum information processing systems

https://www.rd.ntt/e/brl/result/activities/file/report12/report22e.html

poster_en.pdf

Contact Abstract Related works Guaranteeing Randomness Masanobu Inubushi Computing Theory Research

https://www.rd.ntt/cs/event/openhouse/2015/exhibition/15/poster_en.pdf

Security as Driving Force of the Future｜NTT R&D Website

theory. Attention is also being given to physics. If quantum information processing becomes possible, we

https://www.rd.ntt/e/research/JN202111_16195.html

List of Award Winners (Fiscal 2000)

Theory of Si Oxidation Rate and Importanceof Interfacial Si Emission" Sept. 4, 2000 Electronics Letter

https://www.rd.ntt/e/brl/result/activities/file/report00/E/data04_e.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

information. However, since errors due to noise are likely to occur in quantum calculations, it is important

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

Media Information Laboratory | NTT Communication Science Laboratories | NTT R&D Website

, biomedical informatics, and computing theory. We are promoting basic researches on information processing

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

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

Analysis of Complex Data Based on C*-algebra and Operator Theory to Explain Unknown Phenomena in Data Analysis Using Mathematical Theories | NTT R&D Website

Analysis of Complex Data Based on C*-algebra and Operator Theory to Explain Unknown Phenomena in

https://www.rd.ntt/e/research/JN202308_22775.html

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

information using such a secure method used for sharing the secret key instead of one-time pad. Quantum key

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

Quantum Error Mitigation: A Key Approach to Overcoming the Barriers to Practical Application of Quantum Technology | NTT R&D Website

and Data Science Laboratories, NTT, Inc. and Research Center for Theoretical Quantum Information, NTT

https://www.rd.ntt/e/research/JN202511_37036.html

Activities toward New-principle Computers｜NTT R&D Website

different from those of conventional computers is the quantum computer. In current information processing

https://www.rd.ntt/e/research/JN202103_10916.html

Development of Modern Cryptography and Research on Quantum Cryptography | NTT R&D Website

ensure the security of modern information systems and create applications when quantum computers become

https://www.rd.ntt/e/research/JN202305_21851.html

List of Visitors’ Talks

/ Quantum Information Using Solid-State Paramagnetic Center Aug. 3 Dr. Andrey A. Shevyrin (Rzhanov Institute

https://www.rd.ntt/e/brl/result/activities/file/report15/data03E.html

First proof-of-principle experiment of quantum repeaters with all photonics｜NTT Basic Research Laboratories | NTT R&D Website

internet enabled by quantum repeaters is the Holy Grail of information-processing networks A first proof-of

https://www.rd.ntt/e/brl/latesttopics/2019/01/latest_topics_201901252028.html

Symposium Program

underdamped Josephson tunnel junction F. Hekking LPMMC-CNRS, France 12:30-13:00 M06 Quantum Information

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

poster_2.pdf

新しい量子計算モデルの実現可能性を高める ～観測に基づく量子演算実行方法～ Enhancing the Feasibility of a Novel Quantum Computational

https://www.rd.ntt/cs/event/openhouse/2011/exhibition/2/poster_2.pdf

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

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

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

. Yamashita Quantum Information Processing and Communication 2011 QIPC2011, Zurich, Swiss (Aug 2011). Color

https://www.rd.ntt/brl/people/inaba/presen.html

Poster presentaion - SciencePlaza 2009 - NTT Basic Reseach Laboratories

.Harada 24 Nonlocality in quantum theory - Counterintuitively correlated information - PDF F.Morikoshi 25

https://www.rd.ntt/brl/event/splaza2009/poster_e.html

Symmetry and Representation Theory of Lie Groups and Lie Algebras | NTT R&D Website

Symmetry and Representation Theory of Lie Groups and Lie Algebras | NTT R&D Website NTT R&D

https://www.rd.ntt/e/research/JN202407_27016.html

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

quantum information processing Quantum computers are expected to increase computational speed compared

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

Toward a Quantum Internet | NTT R&D Website

well as recent relevant progress in the field of quantum information. Koji Azuma NTT Basic Research

https://www.rd.ntt/e/research/JN202304_21666.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

Security Verification using Formal Methods | NTT Communication Science Laboratories | NTT R&D Website

assumptions was generally believed to be impossible. Related Research Quantum Information Science

https://www.rd.ntt/e/cs/team_project/media/computing_theory/research_media14.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

A Mathematical World Woven by Number Theory, Algebraic Geometry, and Representation Theory | NTT R&D Website

nice geometry, making it possible to apply the method of algebraic geometry to information theory and

https://www.rd.ntt/e/research/JN202407_27001.html

Expectations and Prospects for Innovation in Quantum Technology | NTT R&D Website

, including quantum information, since the mid-1980s before research on quantum computers took off. The

https://www.rd.ntt/e/research/JN202304_21549.html

Toward Creation of a System Architecture for Quantum Computers | NTT R&D Website

will require further research and development. References [1]D. Deutsch, “Quantum Theory, the Church

https://www.rd.ntt/e/research/JN202309_23082.html

山本 喜久｜NTT R&D Website

. Nilsson, and S. Saito, "Theory of a Negative Frequency Feedback Semiconductor Laser," IEEE J. Quantum

https://www.rd.ntt/organization/authority/008.html

Media Information Laboratory Past news | NTT Communication Science Laboratories | NTT R&D Website

Differential-Phase-Shift QKD” has been accepted to Asian Quantum Information Science Conference（AQIS2024). July

https://www.rd.ntt/e/cs/team_project/media/past_news.html

Quantum Information Technology Based on Superconducting Quantum Circuits | NTT R&D Website

Quantum Information Technology Based on Superconducting Quantum Circuits | NTT R&D Website NTT R&D

https://www.rd.ntt/e/research/JN202304_21572.html

国際会議招待講演一覧

Quantum Information 2016, Shanghai, China (June 2016). (4) K. Azuma, "All-photonic Measurement-device

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

List of Invited Talks

Experiment", Trustworthy Quantum Information 2016, Shanghai, China (June 2016). (4) K. Azuma, "All-photonic

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

メディア情報研究部｜NTTコミュニケーション科学基礎研究所｜NTT R&D Website

). Rewindable Quantum Computation and Its Equivalence to Cloning and Adaptive Postselection. Theory of Computing

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

BRL Seminars | Basic Research Laboratories | NTT R&D Website

No. 333 / FY26/5rh Decoy-state optical quantum information processing with certified bounds Dr

https://www.rd.ntt/e/brl/overview/brl-seminar.html

論文｜NTT物性科学基礎研究所｜NTT R&D Website

Fractional-Layer-Superlattice Quantum Wires Calculated By Multiband Effective-Mass Theory" J. Appl. Phys. 77

https://www.rd.ntt/brl/result/publications/paper_1995.html

Publications | NTT Basic Research Laboratories | NTT R&D Website

Fractional-Layer-Superlattice Quantum Wires Calculated By Multiband Effective-Mass Theory" J. Appl. Phys. 77

https://www.rd.ntt/e/brl/result/publications/paper_1995.html

Oral presentation schemes

all-electrical GaAs NMR device for quantum information processing"     Group photo / Lunch 12:10-13:30

https://www.rd.ntt/brl/event/ms s2006/pgm_oral.html

Distinguished Researchers

Telephone Corporation in 2000. Since then, he has been engaged in quantum information processing using

https://www.rd.ntt/e/brl/result/activities/file/report15/member07E.html

NTTBrl_honbun_E_260302.indd

Frequencies”, and the 53rd Quantum Information Technology Meeting (QIT53). Through these activities, we

https://www.rd.ntt/brl/result/activities/file/annual_report/NTTBrl_E_260310_print.pdf

Security R&D Initiatives for Creating a Safe and Secure Society｜NTT R&D Website

future such as cryptography and information theory and quantum information security technology [5]. To

https://www.rd.ntt/e/research/JN202104_12175.html

Norio Kumada

Norio Kumada Research topics >>Japanese Since 7. 2007 I am interested in quantum trasnport and

https://www.rd.ntt/brl/people/kumada/research.html