Result for "quantum computer",251

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

Quantum Computer with Superconductor

Quantum Computer with Superconductor Quantum Computer with Superconductor Readout characteristics

https://www.rd.ntt/e/brl/result/activities/file/report01/E/k02.html

F01_leaf_e.pdf

. However, there are still many challenges to be overcome to realize a large-scale quantum computer that can

https://www.rd.ntt/forum/2023/doc/F01_leaf_e.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

Quantum Computation with Neutral Atoms

-Einstein Condensate (BEC). However, the progress of neutral-atom quantum computer is slow because

https://www.rd.ntt/e/brl/result/activities/file/report04/report23.html

Quantum Information Science | NTT Communication Science Laboratories | NTT R&D Website

certain general conditions. But we showed a quantum algorithm that solves this problem on quantum computer

https://www.rd.ntt/e/cs/team_project/media/computing_theory/research_media13.html

Three-dimensional manipulation of electron spin without use of magnetic field｜NTT Basic Research Laboratories | NTT R&D Website

simple way of manipulating quantum information toward the realization of a future quantum computer*2. A

https://www.rd.ntt/e/brl/latesttopics/2013/03/latest_topics_201303180100.html

D03-e.pdf

with error mitigation Reliable optical quantum computer system To develop techniques to select accurate

https://www.rd.ntt/forum/2025/doc/D03-e.pdf

Yuuki Tokunaga | NTT R&D Website

, Research Area Advisor (2019-) MITOU target program, Gate-based quantum computer division, Project manager

https://www.rd.ntt/e/organization/researcher/special/s_023.html

Quantum Information Processing via Indirect Quantum Control | NTT R&D Website

Technical Review, November 2020. 1. Current status of quantum information processing A quantum computer is a

https://www.rd.ntt/e/research/JN202009_6473.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/

Secure Optical-transport-network Technology in Anticipation of the Quantum Computer Era | NTT R&D Website

Secure Optical-transport-network Technology in Anticipation of the Quantum Computer Era | NTT R&D

https://www.rd.ntt/e/research/JN202302_20961.html

Long-distance transport of electron spins for spin-based logic devices｜NTT Basic Research Laboratories | NTT R&D Website

quantum computer*4. A research paper describing these results will appear as an Advance Online Publication

https://www.rd.ntt/e/brl/latesttopics/2016/03/latest_topics_201603082029.html

Graphene p-n junction as an electronic beam splitter｜NTT Basic Research Laboratories | NTT R&D Website

such as a spin field effect transistor*3 or a future quantum computer*4. A research paper describing

https://www.rd.ntt/e/brl/latesttopics/2015/09/latest_topics_201509041810.html

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

qubits in shallow quantum circuits," Theoretical Computer Science, Vol. 851, pp. 129-153, 2021. Y

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

Post-Quantum Cryptography Technology | NTT R&D Website

safe and secure ICT foundation. Background / Issues The development of a quantum computer that can

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

Success in controlling multi-photon transitions of a superconducting flux qubit｜NTT Basic Research Laboratories | NTT R&D Website

controlling multi-photon transitions of a superconducting flux qubit −One step closer to realizing a quantum

https://www.rd.ntt/e/brl/latesttopics/2004/01/latest_topics_200401011805.html

NTT Communication Science Laboratories Open House 2015

Presentations & Exhibits Schedule Access Download Contact Home / Program / Exhibits Computer Science Quantum

https://www.rd.ntt/cs/event/openhouse/2015/exhibition/14/index_en.html

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

difficult to leak after several decades, a quantum-computer attack is a threat that must be addressed in the

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

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

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

Computer Sciences, 2021. Y. Takahashi and S. Tani, "Power of uninitialized qubits in shallow quantum

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

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

than a quantum computer without a future experimental breakthrough. Results NTT and the University of

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

Readout of Superconductor Quantum Bit

Institute of Technology A quantum computer is expected to perform fast parallel computation. Realizing a

https://www.rd.ntt/e/brl/result/activities/file/report01/E/report09.html

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

instead of a simple refresh. To develop a practical fault-tolerant quantum computer, it is essential to

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

Heterogeneous Materials and Devices Research Group｜Device Technology Laboratories｜NTT R&D Website

. ・Optical devices for an ultra-fast optical quantum computer Publications 【 Press Release 】 ・October 1, 2015

https://www.rd.ntt/e/dtl/technology/heterogeneous_materials_and_devices_research_group_ntt_device_technology_laboratories_ntt_rd_website.html

Stable atom trap on a noise free device｜NTT Basic Research Laboratories | NTT R&D Website

paves a way for realizing a quantum computer -   Nippon Telegraph and Telephone Corp. (NTT; Head Office

https://www.rd.ntt/e/brl/latesttopics/2007/06/latest_topics_200706290101.html

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

quantum mechanics predicts a quantum computer as the ultimate computer allowed in the nature and quantum

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

Overview of Material Science Research

epitaxy method. Superconducting Quantum Physics Research Group Creating a quantum computer using

https://www.rd.ntt/e/brl/result/activities/file/report01/E/report06.html

Observation of quantum-mechanical ultrafast coherent oscillations in a silicon single-electron device｜NTT Basic Research Laboratories | NTT R&D Website

single-electron transfer devices. The quantum computer*9, which utilizes these quantum effects, is

https://www.rd.ntt/e/brl/latesttopics/2019/11/latest_topics_201911051001.html

Fast control of qubit coherence with phase shift method

ingredient of a quantum computer. The size of the ring is about 10μm, which is much larger than atoms or

https://www.rd.ntt/e/brl/result/activities/file/report04/k03.html

D01-e.pdf

optical quantum computer capable of solving various problems. #D01 The industrialization of quantum

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

Designing Quantum Computers｜NTT R&D Website

.” that the classical control system (CCS) will perform on the quantum computer unit (QCU). For many of

https://www.rd.ntt/e/research/JN202103_10981.html

no_25_en.pdf

atoms. One can also realize a quantum computer by using atoms on the lattice sites as quantum bits. The

https://www.rd.ntt/brl/event/splaza2009/poster/EN/no_25_en.pdf

G08-04-e.pdf

use of a quantum computer. Besides, it enables us to realize distributed quantum computing, longer

https://www.rd.ntt/forum/2024/doc/G08-04-e.pdf

no_17_en.pdf

components in the future quantum computer. Pu ls e du ra tio n (n se c) Offset voltage (µeV) 1 2 0 0-50 50

https://www.rd.ntt/brl/event/splaza2009/poster/EN/no_17_en.pdf

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

difficulty in achieving quantum memory A quantum computer sequentially repeats two procedures: measuring a

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

NTT Communication Science Laboratories Open House 2014 Opening the possibility of realizing quantum computers - Constant-step quantum circuits can compute the OR function -

quantum computers - Constant-step quantum circuits can compute the OR function - 日本語 English Home Greeting

https://www.rd.ntt/cs/event/openhouse/2014/exhibition/9/index_en.html

Success in high precision control of nuclear spins for quantum computation｜NTT Basic Research Laboratories | NTT R&D Website

quantum computer. The present achievements will be published in the 21st April issue of the British

https://www.rd.ntt/e/brl/latesttopics/2005/04/latest_topics_200504201808.html

NTT Communication Science Laboratories Open House 2014 Program

Laboratory 6/6 (Fri) 13:50 - 14:30 Quantum computing beyond integer factorization - Exploring the potential

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

NTT Communication Science Laboratories Open House 2018

a gate-based quantum computer, which has theoretical evidence of being more powerful than today’s

https://www.rd.ntt/cs/event/openhouse/2018/talk/research1/index_en.html

Uncrackable quantum cryptography over 'doubled' distances｜NTT Basic Research Laboratories | NTT R&D Website

quantum computer [NSA's press release on 19th August in 2015]. There are several candidates (including

https://www.rd.ntt/e/brl/latesttopics/2015/12/latest_topics_201512161930.html

NTT Communication Science Laboratories Open House 2018

Computation Exhibition Program 8 Can I borrow your quantum memory? High-speed quantum computations with

https://www.rd.ntt/cs/event/openhouse/2018/exhibition/8/index_en.html

スライド 1

uninitialized qubits in shallow quantum circuits,” in Proc. 35th Symposium on Theoretical Aspects of Computer

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

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

for a quantum computer to solve a problem (Fig. 1) [1]. Fig. 1. Illustration of the compression of a

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

List of Visitor's Talks (Fiscal 2001) III. Quantum Electron Physics

fabrication of single phosphorus atom arrays for a silicon quantum computer & an investigation of the 0.7

https://www.rd.ntt/e/brl/result/activities/file/report01/E/data08.html

Contents

Contents Frontispiece Carbon Nanotube Interconnection Quantum Computer with Superconductor Imaging

https://www.rd.ntt/e/brl/result/activities/file/report01/E/2001_e.html

Secure Optical Transport Network｜NTT R&D Website

as a basis for security. However, if a genuine quantum computer having error resilience could be

https://www.rd.ntt/e/research/JN202111_16202.html

ISNTT2013 - Invited Speaker - International Symposium on Nanoscale Transport and Technology 2013

. Chow — IBM "Building towards a superconducting fault-tolerant quantum computer" David Cox — NPL

https://www.rd.ntt/brl/event/isntt2013/invited_speakers.html

Microsoft PowerPoint - SP2014_digest_J16_eng.pptx

 considered for building a  quantum computer today, and our research about using Bose‐Einstein  condensates

https://www.rd.ntt/brl/event/sp2014/poster/files/j16.pdf

Number of Presentations

2016) 6 Joint Center for Quantum Information and Computer Science (QuICS2016) 6 2016 International

https://www.rd.ntt/e/brl/result/activities/file/report16/data07E.html

An on-chip quantum buffer realized｜NTT Basic Research Laboratories | NTT R&D Website

/11/13 An on-chip quantum buffer realized - A key component for a photonic quantum computer on a chip

https://www.rd.ntt/e/brl/latesttopics/2013/11/latest_topics_201311130702.html

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

precise nanostructures*8 will help us to develop a quantum computer and a next-generation technology

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

国際会議発表件数と主な発表先

Quantum Information and Computer Science (QuICS2016） 6 2016 International Conferences on Solid State

https://www.rd.ntt/brl/result/activities/file/report16/data08J.html

Yu Sasaki | NTT R&D Website

Computer Science, volume 12106, pages 705--735, Springer, 2020. Carlos Cid, Tao Huang, Thomas Peyrin, Yu

https://www.rd.ntt/e/organization/researcher/special/s_019.html

Wide Bandwidth and High Quality Squeezed Light Source | NTT R&D Website

been shown that an outstandingly large-scale universal quantum computer, surpassing any other

https://www.rd.ntt/e/research/DT0025.html

Quantum Magic Protocols

attack until quantum computer networks are developed. In comparison with conventional quantum bit

https://www.rd.ntt/e/brl/result/activities/file/report01/E/report17.html

Fast control of qubit coherence with phase shift method

for a quantum bit (qubit), which is a key ingredient of quantum computer( Fig. 1). We controlled and

https://www.rd.ntt/e/brl/result/activities/file/report04/report22.html

poster_en.pdf

, “Quantum algorithms for finding constant-sized sub-hypergraphs,” Theoretical Computer Science Vol. 609

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

Invited Talks

", Workshop on Crystal Lattice Quantum Computer, Stanford, U.S.A. (1999, March) N. Kobayashi, "SPA monitoring

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

Ryo Nishimaki | NTT R&D Website

award 2023 The ACM Conference on Computer and Communication Security Top reviewer award Visiting

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

国際会議招待講演一覧

", Workshop on Crystal Lattice Quantum Computer, Stanford, U.S.A. (1999, March) N. Kobayashi, "SPA monitoring

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

Overview of Quantum Physics and Electronics Research

Overview of Quantum Physics and Electronics Research Overview of Quantum Physics and Electronics

https://www.rd.ntt/e/brl/result/activities/file/report03/E/report11.html

佐々木 悠 | NTT R&D Website

, Part II, Lecture Notes in Computer Science, volume 12106, pages 705--735, Springer, 2020. Carlos Cid

https://www.rd.ntt/organization/researcher/special/s_019.html

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

to produce novel and revolutionary devices, such as scalable solid-state quantum computer. In this

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

The 6th Advisory Board (Fiscal 2010)

. Illinois Quantum physics Prof. Mooij Delft Univ. Tech. Quantum computer Prof. Ryan Univ. Oxford Nano-bio

https://www.rd.ntt/e/brl/result/activities/file/report10/data03.html

来訪者による講演一覧　（2001年度）　III.　量子電子物性関連

atom arrays for a silicon quantum computer & an investigation of the 0.7 feature in GaAs open quantum

https://www.rd.ntt/brl/result/activities/file/report01/J/data08.html

A Long-lived Tunable Qubit for Bosonic Quantum Computing｜NTT R&D Website

element of a quantum computer is a qubit: a two-level system that can be prepared in an arbitrary state |ψ

https://www.rd.ntt/e/research/JN202103_11371.html

The 4th Advisory Board

Quantum computer Nano-bio technology Semiconductor physics [back]　[Top]　[Next]

https://www.rd.ntt/e/brl/result/activities/file/report06/data01.html

国際会議招待講演一覧（2011年）

Optical Quantum Computer", SPIE, San Diego, U.S.A. (Aug. 2011). (9) W.J. Munro, S.J. Devitt, and K. Nemoto

https://www.rd.ntt/brl/result/activities/file/report11/data06.html

List of Invited Talks at International Conferences (2011)

Optical Quantum Computer", SPIE, San Diego, U.S.A. (Aug. 2011). (9) W.J. Munro, S.J. Devitt, and K. Nemoto

https://www.rd.ntt/e/brl/result/activities/file/report11/data06.html

Workshop on Quantum Physics using Superconducting Artificial Atoms and Nanomechanics

(NII) "Quantum devices and computer architecture for large-scale quantum computation" 17:00 - Banquet

https://www.rd.ntt/brl/event/qpsam/

List of Visitor’s Talks (Fiscal 2004)

University of Electro-Communications “How to pursue atomic quantum computer” May 19 Prof. Kees Harmans Delft

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

Quantum Neural Network on Cloud｜NTT Basic Research Laboratories | NTT R&D Website

Informatics (NII), and the University of Tokyo will open a Quantum Neural Network (QNN), a new computer

https://www.rd.ntt/e/brl/latesttopics/2017/11/latest_topics_201711201940.html

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

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

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

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

information communication needed for making the human-friendly humanoid computer a reality, such as

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

A Selective and Long-distance Coupling Scheme for Plural Flux Quantum Bits

computer is composed of many two-state elements called quantum bits (qubits). A quantum calculation should

https://www.rd.ntt/e/brl/result/activities/file/report07/report20.html

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

A quantum bit (qubit) is a basic element to build a quantum computer. There are a number of schemes

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

rd2025-e.pdf

, speech technology, cryptography, and quantum computer technology are prime examples of fields at NTT

https://www.rd.ntt/e/download/rd2025-e.pdf

100,000-spin coherent Ising machine｜NTT Basic Research Laboratories | NTT R&D Website

optimization problems enabled with a large-scale optical computer - Coherent Ising machines (CIMs) are drawing

https://www.rd.ntt/e/brl/latesttopics/2021/09/latest_topics_202109301549.html

List of Visitors’ Talks (Fiscal 2005)

to single-molecule/quantum wire contacts" May 27 Dr. Tetsuo Kishimoto PRESTO, JST, The University of

https://www.rd.ntt/e/brl/result/activities/file/report05/data07.html

List of Visitor’s Talks (Fiscal 2004)

to pursue atomic quantum computer｣ 5月19日 Prof. Kees Harmans Delft University of Technology

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

スライド 1

quantum circuits,” in Proc. 35th Symposium on Theoretical Aspects of Computer Science (STACS 2018), pp. 57

https://www.rd.ntt/cs/event/openhouse/2018/exhibition/8/poster8.pdf

NTTBrl__E_h1

T- B R L S c h o o l We realized an Ising-type computer that employs coupled degenerate opt ica l

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

NTT R&D FORUM 2024 | NTT R&D Website

visitors in particular. These included technologies for a novel quantum computer, non-invasive wearable

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

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

System for the DASR Task of the CHiME-8 Challenge” has been accepted to Computer Speech and Language

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

List of BRL Seminars (Fiscal 2013)

quantum dots May-21 Prof. Andrea Fiore Eindhoven University of Technology, the Netherlands Towards fully

https://www.rd.ntt/e/brl/result/activities/file/report13/data03E.html

来訪者による講演一覧　（2005年度）

generation and suppression of decoherence in NMR quantum computer」 2月16日 Prof. Mats Jonson Chalmers/Goteborg

https://www.rd.ntt/brl/result/activities/file/report05/data06.html

March 3rd, Sunday

projector should bring their own computer. In order to escape a trouble, the organizers ask all oral

https://www.rd.ntt/brl/event/ms s2002/program.htm

NTT Communication Science Laboratories Open House 2015 Program

binary decision diagram - Quantum computer using noisy environment - Identification of untouchable

https://www.rd.ntt/cs/event/openhouse/2015/program_en.html

Cluster State Generation for Ultracold Atoms in an Optical Lattice

quantum computer. For this final goal, it is required to establish the high-fidelity entanglement

https://www.rd.ntt/e/brl/result/activities/file/report13/report20E.html

poster.pdf

. Nishimura, S. Tani, “Quantum algorithms for finding constant-sized sub-hypergraphs,” Theoretical Computer

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

Program_H170124.pdf

, University of Tokyo “Quantum Magnetotransport in Lateral Superlattices” 14:10-14:30 Mo-7 T. Hatano1, M. Stopa

https://www.rd.ntt/brl/event/nnci2005/Program_H170124.pdf

Annual_report_2024_E.pdf

-quantum cryptography ● Quantum algorithms and quantum communication protocols ● Quantum computer archi

https://www.rd.ntt/brl/brl/result/activities/file/annual_report/Annual_report_2024_E.pdf

NTTBrl_honbun_E_250225.indd

-quantum cryptography ● Quantum algorithms and quantum communication protocols ● Quantum computer archi

https://www.rd.ntt/brl/result/activities/file/annual_report/NTTBrl_E_250321_print.pdf

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

environments Quantum Information Science Security Verification using Formal Methods 3D modeling of heart shape

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

NTT コミュニケーション科学基礎研究所 オープンハウス2018

uninitialized qubits in shallow quantum circuits,” in Proc. 35th Symposium on Theoretical Aspects of Computer

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

BRLセミナー講演一覧（2013年度）

integrated quantum photonic circuits 5月24日 金澤 輝代士 氏 京都大学 非熱的非ガウス揺らぎに駆動されるエネルギー輸送 6月12日 Prof. Mark Sanquer CEA

https://www.rd.ntt/brl/result/activities/file/report13/data03J.html

論文｜NTT物性科学基礎研究所｜NTT R&D Website

" IEEE J. Quantum Electron. 25 (10), 2135-2141 (1989). H. Ando, H. Oohashi, H. Iwamura, and H. Kanbe

https://www.rd.ntt/brl/result/publications/paper_1989.html

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

. Iwamura, H. Oohashi, and H. Kanbe "Nonlinear Absorption In N-I-P-I Mqw Structures" IEEE J. Quantum

https://www.rd.ntt/e/brl/result/publications/paper_1989.html

LASOLV™ Computing System: Hybrid Platform for Efficient Combinatorial Optimization | NTT R&D Website

types of Ising computers: quantum annealing machines, such as D-Wave 2000Q, special­ly designed

https://www.rd.ntt/e/research/JN20191127_h.html