「Optical node system」の検索結果（93件）

C+L-band Colorless, Directionless, Contentionless Reconfigurable Optical Add/Drop Multiplexing for High-capacity Network Flexibility | NTT R&D Website

) installed in a system. Because an optical node must be able to communicate with optical nodes in other

https://www.rd.ntt/e/research/JN202206_18480.html

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

-up factor was limited to ~50. In this work, we extended the scale of the optical system and

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

Masahiro Nakagawa | NTT R&D Website

.10622829, June 2024. Keywords Optical node system、Optical networking、Ultra-wideband optical transmission

https://www.rd.ntt/e/organization/researcher/special/s_099.html

DCI Architecture Promoted by the IOWN Global Forum | NTT R&D Website

-speed and low-latency features of the Innovative Optical and Wireless Network All-Photonics Network

https://www.rd.ntt/e/research/JN202312_24196.html

Access system technologies | NTT Access Network Service Systems Laboratories | NTT R&D Website

Optical access system technologies We are engaged in research and development that aims to provide

https://www.rd.ntt/e/as/theme/01.html

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

Research Laboratories. This system enables general users with no expertise in complex optical experiments

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

OpticalNetworkControllerNBISpecification_V1.0.1.xlsx

interfacing system. Target The target systems for NBI are service orchestrators and workflows. ・Optical

https://www.rd.ntt/e/ns/2025/11/28/OpticalNetworkControllerNBISpecification_V1.0.1.xlsx

Performance Comparison between Coherent Ising Machines and Quantum Annealer｜NTT R&D Website

machine that uses degenerate optical parametric oscillators (DOPO) as spins [2, 3]. NTT has been

https://www.rd.ntt/e/research/JN202103_10945.html

Service Node Architecture Technology for Disaggregated Network Service Functions and Fixed-mobile Convergence Networks | NTT R&D Website

Service Node Architecture Technology for Disaggregated Network Service Functions and Fixed-mobile

https://www.rd.ntt/e/research/JN202211_20101.html

rdf17-1e.pdf

/s optical transport system with a reduced transmission cost, low power consumption, and drastically

https://www.rd.ntt/e/nttdtc/theme/pdf/2017/rdf/rdf17-1e.pdf

R&D of Innovative Optical Fiber Facility Technologies | NTT R&D Website

nodes Figure 3 shows the remote-operated optical-fiber-switching node technology that enables remote

https://www.rd.ntt/e/research/JN202408_28844.html

Core Network Technology Research Project | Research and Development Projects | NTT Network Service Systems Laboratories | NTT R&D Website

.rd.ntt/iown_tech/post_21.html Related videos Photonic Exchange -Optical Node System for Providing

https://www.rd.ntt/e/ns/theme/nw_technology.html

Cover : Coherent Ising Machine for Combinatorial Optimization Problems

system. We realized a coherent Ising machine based on networked 2048 degenerate optical parametric

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

Photonic Reservoir Computing | NTT R&D Website

is conducting research on "optical reservoir computing" technology, which emulates the neural

https://www.rd.ntt/e/research/DT0024.html

Photonic Gateway and Related Optical Access Technologies to Achieve the All-Photonics Network｜NTT R&D Website

the COVID-19 pandemic, it has become critical to develop an optical access system that minimizes

https://www.rd.ntt/e/research/JN202102_10379.html

Network Control System Configuration Technologies for Advanced Network Operation | NTT R&D Website

Network Control System Configuration Technologies for Advanced Network Operation | NTT R&D Website

https://www.rd.ntt/e/research/JN202211_20114.html

Data-centric-infrastructure Functional Architecture | NTT R&D Website

inter-node interconnect corresponds to the top-of-rack switch of classical system designs. The DCI FA

https://www.rd.ntt/e/research/JN202203_17541.html

R&D History | NTT R&D Website

. Successful on-site test of 10-Gbps optical transmission. 1992 ATM (node, link and LAN) system test started

https://www.rd.ntt/e/about/chronicle/

Photonics-electronics convergence hardware technology, aimed at revolutionizing the network｜NTT R&D Website

information as optical signals from electronic devices including servers and routers, and node devices that

https://www.rd.ntt/e/communication_device/0002.html

Ultra-wideband Analog ICs Using InP Semiconductors to Overcome the Limits of Optical Communications | NTT R&D Website

a system that processes signals using a combination of 0s and 1s. In the early era of optical

https://www.rd.ntt/e/research/JN202602_38170.html

Poster presentaion - SciencePlaza 2009 - NTT Basic Reseach Laboratories

Nanostructure Technology Quantum Solid state Physics Superconducting Quantum Physics Spintronics Optical Science

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

OpticalNetworkControllerSBISpecificationTAPI_V1.0.1.xlsx

://github.com/openconfig/reference/blob/master/rpc/gnmi/gnmi-specification.md Interfacing System EMS Optical

https://www.rd.ntt/e/ns/2025/11/28/OpticalNetworkControllerSBISpecificationTAPI_V1.0.1.xlsx

R&D of Innovative Optical Transmission Line Technologies｜NTT R&D Website

configuration is equipped with a new remotely operated optical fiber switching node that can switch the optical

https://www.rd.ntt/e/research/JN202102_10373.html

Optical Transmission Technology for Practical Implementation of the All-Photonics Network | NTT R&D Website

this network, we are focusing on (1) studying a system configuration in which the most advanced optical

https://www.rd.ntt/e/research/JN202211_20087.html

Basic Technologies toward the All-Photonics Network | NTT R&D Website

, so we are studying large-capacity optical transmission system/device technology using, for example

https://www.rd.ntt/e/research/JN20200126_h.html

Photonic Implementation of Reservoir Computing | NTT R&D Website

construct various ANNs by designing the configuration of an optical interference system, as shown in Fig. 1

https://www.rd.ntt/e/research/JN202206_18595.html

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

all-photonic quantum repeater protocol*1 which enables a global quantum network only with optical

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

Microsoft Word - ICA 2003 - 4.doc

the last few years [4], [11]. Incorporation of a polarizer into the optical system is a common

https://www.rd.ntt/cs/team_project/icl/signal/ica2003/cdrom/data/0029.pdf

Research Activities

Research Activities Cover photograph: Optical Image of the Blue-Light Electroluminescence from the

https://www.rd.ntt/e/brl/result/activities/file/report11/Report_11.pdf

Access Network Technologies to Implement IOWN | NTT R&D Website

new value through using our assets to implement the Innovative Optical and Wireless Network (IOWN

https://www.rd.ntt/e/research/JN202207_18784.html

NTT R&D FORUM — Road to IOWN 2021｜Exhibits｜ NTT R&D Website

theme introduces the IOWN optical / wireless network and advanced control and operation technologies

https://www.rd.ntt/e/forum/2021/exhibits.html

Activities for Detailing the Architecture of the Open APN and Promoting Its Practical Application | NTT R&D Website

directly connected using optical wavelength paths and consists of Open APN Transceivers (APN-Ts), Open APN

https://www.rd.ntt/e/research/JN202312_24189.html

Research and Development for Pioneering a New Communications Paradigm with Wide-area Coverage | NTT R&D Website

Innovative Optical and Wireless Network (IOWN) and the 6th-generation mobile communication system (6G). These

https://www.rd.ntt/e/research/JN202205_18109.html

Achieving IOWN/6G and Creating New Value with World-leading Technologies | NTT R&D Website

an optical transport network (OTN) transmission system called OTN Anywhere that embodies a delay

https://www.rd.ntt/e/research/JN202405_26173.html

国プロAPN-C ｢APNC-技術059-NTT-02_万博構成更新｣のコメント

provided by Optical Network Controller*. (2) System Configuration Subject to NBI The NBI provided by

https://www.rd.ntt/e/ns/2025/11/28/OpticalNetworkControllerInterfaceUserGuide.pdf

Takahiro Suzuki | NTT R&D Website

virtualized access networks By expanding the virtualization region of optical access systems from control

https://www.rd.ntt/e/organization/researcher/special/s_072.html

Technical Study on IOWN for Mobile Networks | NTT R&D Website

using an optical access system as a transport network for a mobile system, it is necessary to reduce the

https://www.rd.ntt/e/research/JN202312_24191.html

鈴木 貴大 | NTT R&D Website

General-Purpose Server for a Full Software-Defined Access System", IEEE/OSA Journal of Optical

https://www.rd.ntt/organization/researcher/special/s_072.html

Toward a Quantum Internet | NTT R&D Website

) are connected by quantum communication channels (such as optical fibers and free space). It enables

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

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

-distance quantum communication based only on optical devices. Extending the achievable distance of quantum

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

Keynote Speech 2｜Report on the NTT R&D Forum 2021｜NTT R&D Website

node that does not require commercial power supply and confirmed the principle of the variable optical

https://www.rd.ntt/e/forum/2021/keynote_2.html

Standardization Trends in Technologies Related to Fixed-line Networks | NTT R&D Website

Electronics Engineers (IEEE). FTTH uses a passive optical network (PON) system, which connects an optical line

https://www.rd.ntt/e/research/JN202311_23702.html

Updates | NTT R&D Website

Optical Communications 03/25/2026 Applying the Latest ICT to Medical Care in a Prompt Manner that Takes

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

Conferences -KN's HP-

. Kataoka Correlated phonons in a micro-nano-electromechanical system International Symposium on Nanoscale

https://www.rd.ntt/brl/people/knishi50/conference.html

Creating New Value: Access Networks to Support a Sustainable Society | NTT R&D Website

. Figure 4(b) shows AS Lab's remote optical-path switching node technology. It enables remote onsite work

https://www.rd.ntt/e/research/JN202408_28840.html

学術論文出版一覧

, "Experimental Transmission of Quantum Digital Signatures over 90 km of Installed Optical Fiber Using a

https://www.rd.ntt/brl/result/activities/file/report16/data10J.html

Publication List

Signatures over 90 km of Installed Optical Fiber Using a Differential Phase Shift Quantum Key Distribution

https://www.rd.ntt/e/brl/result/activities/file/report16/data09E.html

Papers -KN's HP-

. These quantum optical devices mostly require single or low-density NV centers doped in thin diamond

https://www.rd.ntt/brl/people/knishi50/paper_all.html

論文｜NTT物性科学基礎研究所｜NTT R&D Website

transmission of quantum digital signatures over 90 km of installed optical fiber using a differential phase

https://www.rd.ntt/brl/result/publications/paper_2016.html

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

"Experimental transmission of quantum digital signatures over 90 km of installed optical fiber using a

https://www.rd.ntt/e/brl/result/publications/paper_2016.html

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

combinatorial optimization problems (maximum cut problems) of a 100,000-node graph 1000 times faster than a

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

Papers>>Sensor -KN's HP-

manipulation of nanofluidic chips for various studies A correlated electromechanical system New J. Phys. vol

https://www.rd.ntt/brl/people/knishi50/paper_2.html

Quantum Optical State Control Research Group | NTT Basic Research Laboratories | NTT R&D Website

Quantum Optical State Control Research Group | NTT Basic Research Laboratories | NTT R&D Website

https://www.rd.ntt/e/brl/group_introduction/group_009.html

ATII_WP3_WP_v1.pdf

Assignment EMS Element Management System EOL End of Life EPON Ethernet Passive Optical Network ESN Extended

https://www.rd.ntt/as/img/fasa/ATII_WP3_WP_v1.pdf

Study of Storage Services at IOWN Global Forum | NTT R&D Website

functions required in the Innovative Optical and Wireless Network (IOWN) era. The IOWN Data Hub is intended

https://www.rd.ntt/e/research/JN202203_17538.html

量子光制御研究グループ｜NTT物性科学基礎研究所｜NTT R&D Website

. Honjo, and H. Takesue 10-GHz-clock time-multiplexed non-degenerate optical parametric oscillator network

https://www.rd.ntt/brl/group_introduction/group_009.html

Toshimori Honjo, Ph.D.

Optical State Control Research Group Quantum Science and Technology Laboratory NTT Basic Research

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

NTTBrl__E_h1

medicine, conduct basic research on materials science, physical science and optical science. Our management

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

Report_16_E.pdf

efficiently with the artificial spin system. We realized a coherent Ising machine based on networked 2048

https://www.rd.ntt/e/brl/result/activities/file/report16/Report_16_E.pdf

NTTBrl_honbun_E_220301-2.indd

optical communication distance Signal A Signal B Bias output Optical layer Hybrid system with nano

https://www.rd.ntt/e/brl/result/activities/file/annual_report/Annual_report_2021_E.pdf

Control of Elastic Waves Using Phonon Waveguides and Phononic Crystals | NTT R&D Website

structures [3,4]. This alternative system enables on-chip excitation, spatial transmission, and dynamic

https://www.rd.ntt/e/research/JN202202_17213.html

基于对偶自适应控制求解BSS问题的研究

controller: The optimal control has dual effects of both learning and regulating upon the stochastic system

https://www.rd.ntt/cs/team_project/icl/signal/ica2003/cdrom/data/0069.pdf

Publications

optical parametric oscillator network,” Quantum Sci. Technol. 3, 014004 (2018). Y. Yamamoto, K. Aihara, T

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

OpticalNetworkControllerSBISpecificationOpenROADM_V1.0.1.xlsx

.com/openconfig/reference/blob/master/rpc/gnmi/gnmi-specification.md Interfacing System NE Optical

https://www.rd.ntt/e/ns/2025/11/28/OpticalNetworkControllerSBISpecificationOpenROADM_V1.0.1.xlsx

NNCI2007 Program

Dependent Resistivity of a Two-Dimensional Electron System in a SiO ₂/Si/SiO₂ Quantum Well K. Takashina, V

https://www.rd.ntt/brl/event/nnci2007/program.pdf

Annual_report_2019_E.pdf

the private capacity of a point-to-point （Pt2Pt） optical fiber link by using a repeater node between

https://www.rd.ntt/e/brl/result/activities/file/annual_report/Annual_report_2019_E.pdf

I Wish to Contribute to the World through Research for the Rest of My Life | NTT R&D Website

network of degenerate optical parametric oscillators (DOPOs) to experimentally evaluate the

https://www.rd.ntt/e/research/JN202204_17846.html

NTT_TRFSW_2022_E.pdf

breakthrough innova- tion in the field of optical technology, which we have been researching and developing

https://www.rd.ntt/e/download/NTT_TRFSW_2022_E.pdf

Changing the World through Basic Research on Light Demands a Pioneering Spirit and Results beyond the Ordinary | NTT R&D Website

is not an easy task. Therefore, we decided to use a special type of laser called an optical

https://www.rd.ntt/e/research/JN20180651_h.html

Research on Asynchronous Distributed Deep Learning Technology―Optimizing Machine Learning Models in the Age of Distributed Data Storage｜NTT R&D Website

research expresses the idea of “multi-node collaboration” in mathematical formula. For example, it’s easy

https://www.rd.ntt/e/research/RDNTT20210501.html

NTT物性科学基礎研究所の研究活動

-microscope image (right) of InAs nanowire FET Ultracold atoms trapped in an optical lattice. Output

https://www.rd.ntt/e/brl/result/activities/file/report13/Report_13_e.pdf

Microsoft Word - 01_akasaka-E.doc

individual electrons are stored in a memory node and detected by an electrometer with single-electron

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

論文｜NTT物性科学基礎研究所｜NTT R&D Website

optical lattice under a magnetic field" Laser Phys. 17 (1) 54-59 (2007). M. Kobayashi, K. Sumitomo, and K

https://www.rd.ntt/brl/result/publications/paper_2007.html

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

optical lattice under a magnetic field" Laser Phys. 17 (1) 54-59 (2007). M. Kobayashi, K. Sumitomo, and K

https://www.rd.ntt/e/brl/result/publications/paper_2007.html

report_2005E.pdf

” in a photonic crystal acts as an optical cavity and a “line defect” acts as an optical waveguide. We

https://www.rd.ntt/e/brl/result/activities/file/report05/report_2005E.pdf

Papers>>Others -KN's HP-

quantum bits. These quantum optical devices mostly require single or low-density NV centers doped in thin

https://www.rd.ntt/brl/people/knishi50/paper_4.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

crystals. When a quantum system is used to generate a time crystal, it is possible to create an extremely

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

NTT-BRL Research Activities Vol 19

of Hexagonal Boron Nitride on Ni(111) Substrate ♦ Simultaneous Optical and Electrical

https://www.rd.ntt/e/brl/result/activities/file/report08/BRLreport_2008E.pdf

Activity report

, Physical Science, and Optical Science, are undertaking work designed to contribute to the success of NTT’s

https://www.rd.ntt/e/brl/result/activities/file/report07/BRLreport_2007E.pdf

Data-centric Infrastructure for Supporting Data Processing in the IOWN Era and Its Proof of Concept | NTT R&D Website

is a cyber-physical system (CPS). A CPS analyzes vast amounts of data obtained from physical space in

https://www.rd.ntt/e/research/JN202311_23718.html

OpticalNetworkControllerSBISpecificationOpenROADM_V1.0.1.xlsx

-common-link-types 7 org-openroadm-common-node-types 8 org-openroadm-common-optical-channel-types 9 org

https://www.rd.ntt/ns/2025/11/28/OpticalNetworkControllerSBISpecificationOpenROADM_V1.0.1.xlsx

OpticalNetworkControllerSBISpecificationOpenROADM.xlsx

-systemの登録を実行する。（*1, *2） カン トウロク ジッコウ (2)NE側から光NWコントローラに対し、コネクションを確立する。(*3) ガワ タイ カクリツ (3)NEより、gNMI

https://www.rd.ntt/ns/2025/08/26/OpticalNetworkControllerSBISpecificationOpenROADM.xlsx

知能創発環境研究グループ｜NTTコミュニケーション科学基礎研究所｜NTT R&D Website

-parameter perturbation for zeroth-order optimization of optical neural networks," Proceedings of the 39th

https://www.rd.ntt/cs/team_project/icl/ls/

Learning and Intelligent Systems Research Group | NTT Communication Science Laboratories | NTT R&D Website

-parameter perturbation for zeroth-order optimization of optical neural networks," Proceedings of the 39th

https://www.rd.ntt/e/cs/team_project/icl/ls/

FASA_WhitePaper_J_v2.pdf

Optical Network FASA: Flexible Access System Architecture FBA: Fixed Bandwidth Assignment FEC: Forward

https://www.rd.ntt/as/img/fasa/FASA_WhitePaper_J_v2.pdf

Microsoft Word - CV-AkiraFujiwara.doc

). [32] A. Fujiwara and Y. Takahashi: Si nano-devices using an electron-hole system, Journal De Physique

https://www.rd.ntt/brl/people/afuji/CV-AkiraFujiwara.pdf

BRLreport_2006E.pdf

Coupling between Flux Qubit and Nanomechnical Resonator by Magnetic Field ◆Optical Science Laboratory

https://www.rd.ntt/e/brl/result/activities/file/report06/BRLreport_2006E.pdf

Signal Processing Research Group | NTT Communication Science Laboratories | NTT R&D Website

& Atsunori Ogawa (2024). NTT speaker diarization system for CHiME-7: multi-domain, multi-microphone End-to

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

Dr.Naonori Ueda | NTT R&D Website

), April 2019-present. Review Committee member, Security Technology Research Promotion System, Defense

https://www.rd.ntt/e/organization/researcher/fellow/f_003.html

信号処理研究グループ｜NTTコミュニケーション科学基礎研究所｜NTT R&D Website

(2024). NTT speaker diarization system for CHiME-7: multi-domain, multi-microphone End-to-end and vector

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

Report_16_J.pdf

(IOP) Fellowship（イギリス）、平成25年アメリカ物理学会フェロー、米国光学会フェローの各賞を受賞。 The International Society for Optical

https://www.rd.ntt/brl/result/activities/file/report16/Report_16_J.pdf

NTT物性科学基礎研究所の研究活動

)で構成される（図1）。 UGとLG2でLG1両端のT-FET細線を反転させてソース(ES)とドレイン(Node)を形成し、LG1 でT-FETを流れる単一電子の流れをコントロールする。電子はNodeに注入

https://www.rd.ntt/brl/result/activities/file/report11/Report_11.pdf

上田 修功 | NTT R&D Website

-based PM2. 5 monitoring system. Drones," 5(3), 2021. Tehrany, M. S., Özener, H., Kalantar, B., Ueda, N

https://www.rd.ntt/organization/researcher/fellow/f_003.html