「Optical Fiber」の検索結果（512件）

Extremely high-density optical fiber cable technology｜NTT R&D Website

Extremely high-density optical fiber cable technology｜NTT R&D Website NTT R&D Website Research

https://www.rd.ntt/e/research/AS0028.html

Senior Distinguished Researcher Kazuhide Nakajima | NTT Access Network Service Systems Laboratories | NTT R&D Website

Nakajima Research on optical fiber technology for realizing continuous advances in optical communication

https://www.rd.ntt/e/as/team_researchers/researcher/01.html

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

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

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

Transmission Technology for Space-division Multiplexing Supporting Next-generation High-speed, Large-capacity Communications beyond Existing Limits | NTT R&D Website

-generation High-speed, Large-capacity Communications beyond Existing Limits optical fiber space-division

https://www.rd.ntt/e/research/JN202307_22296.html

Optical fiber access technologies | NTT Access Network Service Systems Laboratories | NTT R&D Website

Optical fiber access technologies | NTT Access Network Service Systems Laboratories | NTT R&D

https://www.rd.ntt/e/as/theme/02.html

Existing Optical Communication Infrastructure Will Lead the Future of Social Contribution through Optical Fiber Sensing Technology | NTT R&D Website

Optical Fiber Sensing Technology | NTT R&D Website NTT R&D Website Research&Activity Existing Optical

https://www.rd.ntt/e/research/JN202601_37939.html

Research on Multi-core Optical Fiber, the Foundation of the New Era of High-capacity Communications, and Amplification to Limit Power Increases | NTT R&D Website

Research on Multi-core Optical Fiber, the Foundation of the New Era of High-capacity

https://www.rd.ntt/e/research/JN202412_30715.html

Experimental demonstration of ultra-high precision optical frequency transfer via 240-km-long telecommunications fiber｜NTT Basic Research Laboratories | NTT R&D Website

precision optical frequency transfer via 240-km-long telecommunications fiber – Optical repeater cascade

https://www.rd.ntt/e/brl/latesttopics/2020/03/latest_topics_202003181528.html

Spatial-mode Optical Measurement Technology to Support Diverse Global Services in the Future | NTT R&D Website

modes optical-fiber transmission line Communication traffic continues to increase each year and to

https://www.rd.ntt/e/research/JN202301_20661.html

Distinguished Researcher Taiji Sakamoto | NTT Access Network Service Systems Laboratories | NTT R&D Website

Distinguished Researcher Taiji Sakamoto Distinguished Researcher Taiji Sakamoto Next generation optical fiber

https://www.rd.ntt/e/as/team_researchers/researcher/03.html

Accelerating Practical Application of 4-core Optical Fiber with the Same Cladding Diameter as Current Optical Fiber and Advancing Power-over-fiber Technology | NTT R&D Website

Accelerating Practical Application of 4-core Optical Fiber with the Same Cladding Diameter as

https://www.rd.ntt/e/research/JN202502_32098.html

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

technologies such as optical fiber cables, optical connectors, and overhead structures. We developed and

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

Access Network Infrastructure Project | NTT R&D Website

engineering), as well as the development of optical fiber cable and other optical line platform technologies

https://www.rd.ntt/e/ntc/theme/infra.html

Petabit-class Optical Transmission Using Spatial Multiplexing Technology Opens a New Era with a Paradigm Shift | NTT R&D Website

is becoming clear that the transmission capacity of current optical fiber technology will eventually

https://www.rd.ntt/e/research/JN202302_20974.html

Atsushi Nakamura | NTT R&D Website

Optical measurement technologies for realizing next-generation optical fiber transmission lines We aim to

https://www.rd.ntt/e/organization/researcher/special/s_073.html

Kazuhide Nakajima | NTT R&D Website

LaboratoriesMore researchers belonging to the lab/center/dept Research on optical fiber technology for realizing

https://www.rd.ntt/e/organization/researcher/fellow/f_012.html

Optical Parametric Amplification in Fiber

Optical Parametric Amplification in Fiber Optical Parametric Amplification in Fiber Kyo Inoue and

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

Technology for capturing ONU MAC address below splitters | NTT R&D Website

cable switching work. Background / Issues Optical fiber identification technology is currently widely

https://www.rd.ntt/e/research/AS0084.html

Takeo Sasai | NTT R&D Website

capable of visualizing the entire length of optical fiber links without dedicated measurement equipment

https://www.rd.ntt/e/organization/researcher/special/s_106.html

Research Is Never CompleteーIt Will Finish When You Are Satisfied | NTT R&D Website

Research Is Never Complete—It Will Finish When You Are Satisfied multi-core optical fiber space-division

https://www.rd.ntt/e/research/JN202202_17157.html

Optical-lattice-clock-network Technology for Gravitational Potential Sensing | NTT R&D Website

construction of the ultrahigh-precision optical frequency transmission fiber link in the Tokyo metropolitan

https://www.rd.ntt/e/research/JN202304_21619.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

Hiroshi Takahashi | NTT R&D Website

/center/dept Optical measurement technologies for environmental monitoring using optical fiber networks We

https://www.rd.ntt/e/organization/researcher/special/s_085.html

Efficiently Accommodating High-frequency-band Wireless Systems by Using Analog Radio-over-fiber | NTT R&D Website

using analog RoF Analog radio-over-fiber (RoF)*2 technology modulates the intensity of an optical signal

https://www.rd.ntt/e/research/JN20200315_h.html

Takui Uematsu | NTT R&D Website

optical connector, Chair (2024~) JIS standardization committee of fiber optics, Member (2014~) JIS

https://www.rd.ntt/e/organization/researcher/special/s_094.html

ANSL_inner_0205_Blue_e_A

ANSL_inner_0205_Blue_e_A Operations technologies Wireless access technologies Faster optical fiber

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

Taiji Sakamoto | NTT R&D Website

generation optical fiber for realizing ultra-large capacity communication We aim to develop innovative

https://www.rd.ntt/e/organization/researcher/special/s_018.html

Past and Future Prospects for Advanced Operation of Access Network Facilities | NTT R&D Website

communications using optical fibers. Against this backdrop, especially in the fiber-to-the-home (FTTH) sector

https://www.rd.ntt/e/research/JN202307_22286.html

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

, new optical fibers such as multicore fiber. Furthermore, to reduce end-to-end delay by 1/200, we are

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

Yutaka Miyamoto | NTT R&D Website

and Exhibition on Optical Communication), TPC member 2008-2010 OFC/NFOEC(Optical Fiber Communication

https://www.rd.ntt/e/organization/researcher/fellow/f_006.html

NTT | Exhibits | Tsukuba Forum 2026

Technology Recmd We will exhibit a submarine 4-core multi-core optical fiber cable technology developed to

https://www.rd.ntt/e/as/tforum/companylist_nttc1.html

Ultra-high-capacity Optical Communication Technology | NTT R&D Website

that in the latter half of the 2020s, the capacity limit of the currently used optical fiber, namely

https://www.rd.ntt/e/research/JN20200312_h.html

NTT Innovative Photonic Network Center | NTT R&D Website

-fiber design. ① Large-scale digital signal processing technology for optical communications and

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

Other Corporations | Exhibits | Tsukuba Forum 2026

"Fiber Optic Smart Sensing" utilizing existing optical fiber cables. 【Main Exhibits】 【Summary】 Optical

https://www.rd.ntt/e/as/tforum/companylist_other.html

Takashi Matsui | NTT R&D Website

optical fiber (2018~2020) Secretary of national committee for IEC SC86A (2018~2020) Assistant secretary of

https://www.rd.ntt/e/organization/researcher/superior/s_042.html

Research and Development of 1.6-Tbit/s-class Ethernet Optical Transmission Technology Supporting Large-scale Datacenter Networks | NTT R&D Website

effect of waveform distortion generated in the optical fiber transmission line is very pronounced in

https://www.rd.ntt/e/research/JN202405_26179.html

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

Ultra-high-precision frequency transmission technology enables optical lattice clock network concept｜NTT R&D Website

demonstration of ultra-high precision optical frequency transfer via 240-km-long telecommunications fiber https

https://www.rd.ntt/e/communication_device/0004.html

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

Networks fixed-line network optical fiber optical connector Confronted by the development of various

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

Long-haul optical transmission technology using spatial mode-multiplexed signals｜NTT R&D Website

-multiplexed optical fiber that can increase transmission capacity 10 times while maintaining the same diameter

https://www.rd.ntt/e/research/NI0063.html

R&D History | NTT R&D Website

Successful field test of a short-distance optical fiber transmission system. Developed optical fiber base

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

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

Thin and low-friction indoor optical fiber｜NTT R&D Website

Thin and low-friction indoor optical fiber｜NTT R&D Website NTT R&D Website Research&Activity Thin

https://www.rd.ntt/e/research/AS0015.html

Research and Development of Scalable Optical Transport Technologies | NTT R&D Website

, such as multi-cores and multi-modes, in a single strand of optical fiber to achieve high-capacity

https://www.rd.ntt/e/research/JN202205_18134.html

NTTAS_EN_omote

high speed optical fiber communication services at lower cost. Analyze network device alarms and past

https://www.rd.ntt/e/download/NTTAS_2024Pamphlet_EN.pdf

Multifunctional Stimulation Electrode for Optical, Electrical and Chemical Stimulation

chemicals, broadband light and electrical stimulation using one optical fiber. This constitutes a new tool

https://www.rd.ntt/e/brl/result/activities/file/report11/report10.html

中島 和秀 | NTT R&D Website

ゴリ議長 2017年～2020年　国際会議ITU Kaleidoscope プログラム委員 2017年～ 論文誌Optical Fiber Technology Associate Editor 2018年

https://www.rd.ntt/organization/researcher/fellow/f_012.html

笹井　健生 | NTT R&D Website

Tomography Ready to Deliver in Real Networks?" リーディングオーガナイザ 2026年～ Optical fiber communication conference

https://www.rd.ntt/organization/researcher/special/s_106.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

Broadband Continuous-wave Optical Quadrature Squeezer for Ultra-fast Optical Quantum Computers | NTT R&D Website

is assembled as a pump-combiner-integrated module with four optical-fiber input/output ports. By

https://www.rd.ntt/e/research/JN202206_18572.html

A new scheme for manipulating the color of single photons｜NTT Basic Research Laboratories | NTT R&D Website

- Lossless wavelength conversion of single photons in an optical fiber - NTT Basic Research Laboratories has

https://www.rd.ntt/e/brl/latesttopics/2016/03/latest_topics_201603262135.html

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

commercial products. ・The optical switch is a commercial switch that supports 1550 nm. ・The sensing fiber is

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

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

flexibly utilizing wavelengths Very high speed optical fiber communication services at lower cost. Action

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

List of Invited Talks at International Conferences (2008)

, "Photonic bandgap fiber for new wavelength range", Optical Fiber Communication Conference and Exposition

https://www.rd.ntt/e/brl/result/activities/file/report08/data12.html

Wireless Technology for Extreme NaaS—Remote Beamforming Schemes for Analog Radio-over-fiber-based High-frequency-band Wireless Communication Systems｜NTT R&D Website

fiber link [5, 6]. However, these schemes have the following limitations; (1) optical fiber length

https://www.rd.ntt/e/research/JN202108_14917.html

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

, optical fiber access technology, infrastructure technology, and operation technology, to achieve its

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

Yoshifumi Wakisaka | NTT R&D Website

/center/dept High-performance, multifunctional optical fiber sensing By integrating cutting-edge optical

https://www.rd.ntt/e/organization/researcher/special/s_105.html

Network Design Technologies Supporting the All-Photonics Network | NTT R&D Website

, multiple users and services share a single optical path; however, the APN achieves high quality and low

https://www.rd.ntt/e/research/JN20200322_h.html

Quantum Key Distribution over a 72 dB Channel Loss Using Ultralow Dark Count Superconducting Detectors

room temperature which propagate through an optical fiber, and introduce the cold optical bandpass

https://www.rd.ntt/e/brl/result/activities/file/report14/report20E.html

国際会議招待講演一覧（2008）

, and H. Sakaki, "Photonic bandgap fiber for new wavelength range", Optical Fiber Communication

https://www.rd.ntt/brl/result/activities/file/report08/data11.html

rdf16-3e.pdf

and RRH and connects them with optical fiber. C-RAN mitigates inter-cell interference with centralized

https://www.rd.ntt/e/nttdtc/theme/pdf/2016/rdf/rdf16-3e.pdf

Turning an Innovative Idea into Common Sense and Making It Useful to Society | NTT R&D Website

developing with new optical transmission medium (optical fiber) technology. Since our last interview two

https://www.rd.ntt/e/research/JN202304_21583.html

植松 卓威 | NTT R&D Website

. Kiyokura and T. Manabe, "Design of a Temporary Optical Coupler Using Fiber Bending for Traffic Monitoring

https://www.rd.ntt/organization/researcher/special/s_094.html

Innovative Network for 2030 (Beyond 2020) | NTT R&D Website

means that the system is feasible assuming the use of multicore fiber. 2.3 Optical distributed-computing

https://www.rd.ntt/e/research/JN20200122_h.html

Development of Membrane Optical Modulators for IOWN | NTT R&D Website

increase in Internet traffic, the application area where optical fiber can show its superiority has been

https://www.rd.ntt/e/research/JN202206_18502.html

Line | Exhibits | Tsukuba Forum 2026

networks powered by Fujikura's "Tsunagu" Technology™. Our exhibit features products including optical fiber

https://www.rd.ntt/e/as/tforum/companylist_line.html

Gigabit Ethernet-PON system｜NTT R&D Website

) Economical as it enables up to 32 subscribers to share optical fiber and facilities in the central office

https://www.rd.ntt/e/research/AS0012.html

What is high-capacity optical transmission technology? Infrastructure to support rapidly increasing communication traffic｜NTT R&D Website

to conventional optical transmission. Thus far, the transmission capacity per optical fiber has been

https://www.rd.ntt/e/communication_device/0001.html

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

DOPO pulses were generated in a ring cavity that included a 1-km optical fiber, and the pulses were

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

C21-e.pdf

Commercialization Schedule #Safety & Security #Risk Management Underground optical fiber cables monitor the urban

https://www.rd.ntt/forum/2025/doc/C21-e.pdf

Visible-light Planar Lightwave Circuit Technology and Integrated Laser-light-source Module for Smart Glasses｜NTT R&D Website

technology For optical fiber communications, NTT is conducting research and development on a component

https://www.rd.ntt/e/research/JN202101_9664.html

Demonstration of a CEO-locked Frequency Comb at Telecommunications Wavelengths with Low Pulse Energy

Energy Atsushi Ishizawa, Tadashi Nishikawa, and Hidetoshi Nakano Optical Science Laboratory The carrier

https://www.rd.ntt/e/brl/result/activities/file/report07/report28.html

Coherent Optical-amplifier-repeater Transmission Will Enable Optical Transmission over Longer Distances and with Larger Capacities | NTT R&D Website

transmission methods used in optical communications. Current transmission and communication via optical fiber

https://www.rd.ntt/e/research/JN202512_37464.html

NTT(List of recommended exhibits) | Exhibits | Tsukuba Forum 2026

exhibit a submarine 4-core multi-core optical fiber cable technology developed to increase the capacity of

https://www.rd.ntt/e/as/tforum/companylist_nttc6.html

Large-scale artificial spin network realized using long-distance optical fiber cavity｜NTT Basic Research Laboratories | NTT R&D Website

Large-scale artificial spin network realized using long-distance optical fiber cavity｜NTT Basic

https://www.rd.ntt/e/brl/latesttopics/2016/04/latest_topics_201604181637.html

High-output Optical Transmitter and High-sensitivity Optical Receiver for 400-Gbit/s 40-km Fiber-amplifier-less Transmission | NTT R&D Website

High-output Optical Transmitter and High-sensitivity Optical Receiver for 400-Gbit/s 40-km Fiber

https://www.rd.ntt/e/research/JN202206_18469.html

Masaki Wada | NTT R&D Website

Award Academic Activities Optical fiber communication conference (OFC), Subcommittee D4 (Fiber and

https://www.rd.ntt/e/organization/researcher/special/s_103.html

Takahiro Suzuki | NTT R&D Website

Networks: Challenges and PHY Softwarization," Optical Fiber Conferece (OFC 2026), Th1K.4, Mar. 2026

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

Highly Efficient, Low-cost Optical Communications through Optimal Communication Path Design Technology | NTT R&D Website

communications, and many pieces of equipment, including optical fiber cables and optical transceivers. However

https://www.rd.ntt/e/research/JN202509_36072.html

R&D Activities to Implement an Access Network for the IOWN Era | NTT R&D Website

optical fiber access, infrastructure, access system, wireless access, and operation technologies. To

https://www.rd.ntt/e/research/JN202408_28842.html

Jun-ichi Kani | NTT R&D Website

-Chair, Optical Fiber Communications Conference (OFC) 2021 Program Co-Chair, Optical Fiber Communications

https://www.rd.ntt/e/organization/researcher/superior/s_004.html

Senior Distinguished Researcher Jun-ichi Kani | NTT Access Network Service Systems Laboratories | NTT R&D Website

wireless LAN antennas are all interconnected by the optical fiber network. Furthermore, considering that

https://www.rd.ntt/e/as/team_researchers/researcher/02.html

A Glimpse of the Information Communication Networks of the Future: Research on Optical Path Design for Large-Scale Computing Infrastructure｜NTT R&D Website

. Today, I will briefly introduce two of these technologies: efficient network design using optical fiber

https://www.rd.ntt/e/research/RDNTT20210601.html

Efficient Carrier Envelope Offset Locking for a Frequency Comb by Modifying a Collinear f-to-2f Interferometer

Interferometer Atsushi Ishizawa, Tadashi Nishikawa, and Hidetoshi Nakano Optical Science Laboratory The

https://www.rd.ntt/e/brl/result/activities/file/report08/report28.html

鈴木 貴大 | NTT R&D Website

Softwarization," Optical Fiber Conferece (OFC 2026), Th1K.4, Mar. 2026. Takahiro Suzuki, "Multi-Wavelength

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

Transport Innovation Laboratory | NTT Network Innovation Laboratories | NTT R&D Website

optical signal power profile along a fiber-optic link solely by processing the signal reaching an optical

https://www.rd.ntt/e/mirai/organization/product_4/

Fast and Long-Distance Quantum Key Distribution Using Up-Conversion Detectors

Inoue2 1Optical Science Laboratory, 2Osaka University/NTT Research Professor The differential phase

https://www.rd.ntt/e/brl/result/activities/file/report05/report26.html

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

setup of the QNN, which is based on an optical fiber cavity comprising a 1-km-long optical fiber and an

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

E10_leaf_e.pdf

vibration data that can be collected using our optical fiber networks, we aim for a future that contributes

https://www.rd.ntt/forum/2023/doc/E10_leaf_e.pdf

芝原 光樹 | NTT R&D Website

ザ学会） 学会役員等 2019年～2024年　電子情報通信学会　光通信システム研究専門委員会（OCS）専門委員 2021年～2023年　北米光通信国際会議OFC（The Optical Fiber

https://www.rd.ntt/organization/researcher/special/s_070.html

About Us | NTT Access Network Service Systems Laboratories | NTT R&D Website

network, and satellite MIMO/sensing technology for ultra-coverage. Optical Fiber Access Technology

https://www.rd.ntt/e/as/overview/

Optoelectronic Subsystem Research Group｜Device Technology Laboratories｜NTT R&D Website

Research Group Introduction We are developing optical interconnect technology for high-speed and low-power

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

Quantum Key Distribution over 200 km of Fiber

Bob through an optical fiber. Bob inputs the pulse train into a 1-bit delayed interferometer with

https://www.rd.ntt/e/brl/result/activities/file/report07/report23.html

Researchers/Teams | NTT Access Network Service Systems Laboratories | NTT R&D Website

' interview Senior Distinguished Researcher Kazuhide Nakajima Optical Fiber access Senior Distinguished

https://www.rd.ntt/e/as/team_researchers/

Optical Full-mesh Network Technologies Supporting the All-Photonics Network | NTT R&D Website

technology for transmitting optical signals over new types of optical fiber such as multicore fiber. Please

https://www.rd.ntt/e/research/JN20200318_h.html

Research

model are mapped onto the amplitude and phase of the optical couplings between the “artificial spins

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

D04-01-e.pdf

optical connections Future APN offers an economical and power- efficient social infrastructure by

https://www.rd.ntt/forum/2024/doc/D04-01-e.pdf

Sharing Moments of "This Is It!" with Colleagues to Research and Develop Optical Communication Technology for Revolutionizing Society | NTT R&D Website

application of time-division multiplexing (TDM) optical-fiber transmission systems in 1981. By triggering

https://www.rd.ntt/e/research/JN202007_5686.html

10 GHz Clock Quantum Cryptography Experiment

photon number per pulse becomes 0.2, and transmitted over optical fiber. The output pulses from the fiber

https://www.rd.ntt/e/brl/result/activities/file/report06/report25.html

NTT | Exhibits | Tsukuba Forum 2026

) RecmdList of recommended exhibits 01Optical Fiber Environmental Monitoring Recmd Optical fiber environmental

https://www.rd.ntt/e/as/tforum/companylist_nttc5.html