Jun-ichi Kani | NTT R&D Website
Conference on Information Photonics and Optical Communications (ACP/IPOC 2024) Optica Fellow, For
https://www.rd.ntt/e/organization/researcher/superior/s_004.html
Research and Development for Pioneering a New Communications Paradigm with Wide-area Coverage | NTT R&D Website
Pioneering a New Communications Paradigm with Wide-area Coverage optical transmission technology wireless
https://www.rd.ntt/e/research/JN202205_18109.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
Takahiro Suzuki | NTT R&D Website
container environments," IEEE/OSA Journal of Optical Communications and Networking, Vol. 17, Issue 4, pp
https://www.rd.ntt/e/organization/researcher/special/s_072.html
Senior Distinguished Researcher Jun-ichi Kani | NTT Access Network Service Systems Laboratories | NTT R&D Website
major international conference in the optical communications industry. Next, we are converting
https://www.rd.ntt/e/as/team_researchers/researcher/02.html
Petabit-class Optical Transmission Using Spatial Multiplexing Technology Opens a New Era with a Paradigm Shift | NTT R&D Website
optical transmission technology targeting an unknown optical communications infrastructure What is petabit
https://www.rd.ntt/e/research/JN202302_20974.html
On-demand Photonic Multipoint Connection Technology Supporting High-presence Communications Services|NTT R&D Website
) of an optical communications path, which is high-speed but expensive and has limited applications
https://www.rd.ntt/e/research/JN202108_14889.html
Frontier Communication Laboratory | NTT Network Innovation Laboratories | NTT R&D Website
communications (guaranteed latency/band) for remote medicine, AI, finance, etc., and "Optical-network Automatic
https://www.rd.ntt/e/mirai/organization/product_2/
鈴木 貴大 | NTT R&D Website
networks [Invited]," IEEE/OSA Journal of Optical Communications and Networking, Vol. 17, Issue 7, pp. C62-C
https://www.rd.ntt/organization/researcher/special/s_072.html
Optical Technologies for Optical Quantum Computing with Continuous Variables | NTT R&D Website
fiber communications. This article outlines NTT's efforts toward optical quantum computers. *1 It
https://www.rd.ntt/e/research/JN202304_21560.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
Research into Ultra-high-speed Full Software Access Networks that Virtualize the Physical Layer Functionality of Communications Networks|NTT R&D Website
international conference in the field of optical communications. In 2021, another world-first speed of 10 Gbit/s
https://www.rd.ntt/e/research/RDNTT20211201.html
About Us | NTT Network Innovation Laboratories | NTT R&D Website
optical communications by optical fiber, wireless communications by air and outer space, and acoustic
https://www.rd.ntt/e/mirai/overview/
Highly Efficient, Low-cost Optical Communications through Optimal Communication Path Design Technology | NTT R&D Website
Highly Efficient, Low-cost Optical Communications through Optimal Communication Path Design
https://www.rd.ntt/e/research/JN202509_36072.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 Communications, and
https://www.rd.ntt/e/research/JN202412_30715.html
論文|NTT物性科学基礎研究所|NTT R&D Website
Communications Laboratories 35 (6), 681-686 (1987). K. Koyama "Identity-Based Conference Key Distribution-System
https://www.rd.ntt/brl/result/publications/paper_1987.html
Publications | NTT Basic Research Laboratories | NTT R&D Website
Reflectometer For Long 1.5-Mu-M Band Optical Fiber Cables" Review Of The Electrical Communications Laboratories
https://www.rd.ntt/e/brl/result/publications/paper_1987.html
Kenji Miyamoto | NTT R&D Website
," Journal of Optical Communications and Networking, vol. 16, no. 10, pp. 1050-1058, Oct. 2024. K. Miyamoto
https://www.rd.ntt/e/organization/researcher/special/s_101.html
Senior Distinguished Researcher Kazuhide Nakajima | NTT Access Network Service Systems Laboratories | NTT R&D Website
laser light having more than 10,000 times the power of optical communications by applying the PCF
https://www.rd.ntt/e/as/team_researchers/researcher/01.html
Achieving IOWN/6G and Creating New Value with World-leading Technologies | NTT R&D Website
. Figure 1shows the areas of NIL's R&D efforts. While focusing on optical communications in optical fibers
https://www.rd.ntt/e/research/JN202405_26173.html
Compound Semiconductor Device Research Group|Device Technology Laboratories|NTT R&D Website
devices used in transceivers for optical and wireless communications. To meet these demands, our research
https://www.rd.ntt/e/dtl/technology/compound_semiconductor_device_research_group_ntt_device_technology_laboratories_ntt_rd_website.html
Research and Development of Scalable Optical Transport Technologies | NTT R&D Website
Scalable Optical Transport Technologies ultra-large-capacity optical communications optical parametric
https://www.rd.ntt/e/research/JN202205_18134.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 uses optical fiber, which is normally used for communications, as a
https://www.rd.ntt/e/research/JN202601_37939.html
Optical Parametric Amplification in Fiber
in optical fibers, aiming at generating entangled photon-pair suitable for fiber communications. When
https://www.rd.ntt/e/brl/result/activities/file/report00/E/report16_e.html
Optical fiber access technologies | NTT Access Network Service Systems Laboratories | NTT R&D Website
communications facilities smarter. Action Optical fiber environmental monitoring Optical fiber itself has no need
https://www.rd.ntt/e/as/theme/02.html
"Tunable Light Source by Electric-field Control" Technology for High-quality, Low-latency Communications | NTT R&D Website
voltage for use in optical communications. The wavelength of light corresponds to color when talking about
https://www.rd.ntt/e/research/JN202211_20165.html
Masanori Nakamura | NTT R&D Website
Research on ultrahigh-speed optical modulation and demodulation technologies for high-capacity and long
https://www.rd.ntt/e/organization/researcher/special/s_086.html
Secure Optical-transport-network Technology in Anticipation of the Quantum Computer Era | NTT R&D Website
. For an optical transport system, stable cryptographic communications must be possible even if the
https://www.rd.ntt/e/research/JN202302_20961.html
宮本 健司 | NTT R&D Website
-Wireless Cooperative Control for Low-Latency and Seamless Handover," Journal of Optical Communications and
https://www.rd.ntt/organization/researcher/special/s_101.html
Device Technology for Short-range Optical Interconnections with High Density and Low Power Consumption | NTT R&D Website
technology to apply devices used for long-distance communications to short-distance communications. Optical
https://www.rd.ntt/e/research/JN202008_6173.html
Secure Optical Transport Network|NTT R&D Website
the Internet, communications on the optical transport network are protected by public-key cryptography
https://www.rd.ntt/e/research/JN202111_16202.html
Ultra-wideband Analog ICs Using InP Semiconductors to Overcome the Limits of Optical Communications | NTT R&D Website
Semiconductors to Overcome the Limits of Optical Communications 04/23/2026 Ultra-wideband Analog ICs Using InP
https://www.rd.ntt/e/research/JN202602_38170.html
F03_leaf_e.pdf
against earthquakes/volcanic eruptions & highly stable 5G/6G communications Optical lattice clock network
https://www.rd.ntt/forum/2023/doc/F03_leaf_e.pdf
G04-03-e.pdf
Transformation Photonic cryptographic circuits are necessary to ensure security of optical communications
https://www.rd.ntt/forum/2024/doc/G04-03-e.pdf
Transport Innovation Laboratory | NTT Network Innovation Laboratories | NTT R&D Website
Laboratory has been advancing research and development of optical communications since the dawn of the
https://www.rd.ntt/e/mirai/organization/product_4/
D03-11-e.pdf
of renewable energy. • APN enabling low-latency and high-capacity communications. • Approximately 30
https://www.rd.ntt/forum/2024/doc/D03-11-e.pdf
Optical Interconnect Device Project | NTT Device Technology Center | NTT R&D Website
optical wavelength is also important in applications other than communications, such as in optical sensing
https://www.rd.ntt/e/nttdtc/organization/product.html
Toshikazu Hashimoto | NTT R&D Website
High-Speed Optical Communications," OECC (2019) Yamazaki, Masashi; Seno, Kazunori; Hashimoto, Toshikazu
https://www.rd.ntt/e/organization/researcher/superior/s_028.html
Masahiro Nakagawa | NTT R&D Website
high-capacity optical signal transmission," IEICE Transactions on Communications, vol. E104-B, no. 4
https://www.rd.ntt/e/organization/researcher/special/s_099.html
D03-02-e.pdf
everything from communications to computers #Business Resilience Electrical wiring alone has limitations in
https://www.rd.ntt/forum/2024/doc/D03-02-e.pdf
NTT | Exhibits | Tsukuba Forum 2026
‑Time Communications. 05Jitter Control Technique by Optical-wireless Cooperation for Realizing Stable
https://www.rd.ntt/e/as/tforum/companylist_nttc1.html
Kouki Shibahara | NTT R&D Website
ECOC(The European Conference on Optical Communications)Category SC6 "Optical Transmission Systems
https://www.rd.ntt/e/organization/researcher/special/s_070.html
Improving the Performance of Quantum Key Distribution | NTT R&D Website
quadrature amplitude modulation (QAM)*4used in modern optical communications. A very high-speed secret-key
https://www.rd.ntt/e/research/JN202304_21650.html
List of Invited Talks at International Conferences (2006)
Ultrasmall High-Q Photonic Crystal Nanocavities", Asia-Pacific Optical Communications Conference 2006 (APOC
https://www.rd.ntt/e/brl/result/activities/file/report06/data11.html
Wireless Systems Technologies for Present and Future Services | NTT R&D Website
wireless communication systems as a communications infrastructure continue to expand. In particular
https://www.rd.ntt/e/research/JN20200267_h.html
国際会議招待講演一覧 (2006)
Ultrasmall High-Q Photonic Crystal Nanocavities", Asia-Pacific Optical Communications Conference 2006 (APOC
https://www.rd.ntt/brl/result/activities/file/report06/data10.html
国際会議招待講演一覧(2012年)
. Hasebe, and T. Kakitsuka, "Electrically-pumped Photonic Crystal Lasers for Optical Communications", The
https://www.rd.ntt/brl/result/activities/file/report12/data09.html
List of Invited Talks at International Conferences (2012)
. Kakitsuka, "Electrically-pumped Photonic Crystal Lasers for Optical Communications", The 38th European
https://www.rd.ntt/e/brl/result/activities/file/report12/data09e.html
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
Early Deployment and Popularization of IOWN Technologies as Targeted by IOWN Product Design Center | NTT R&D Website
direct communications on the optical layer. Even in the case of conventional transmission networks
https://www.rd.ntt/e/research/JN202302_20966.html
橋本 俊和 | NTT R&D Website
High-Speed Optical Communications," OECC (2019) Yamazaki, Masashi; Seno, Kazunori; Hashimoto, Toshikazu
https://www.rd.ntt/organization/researcher/superior/s_028.html
About Us | NTT Device Technology Center | NTT R&D Website
-friendly devices, with the aim of advancing information and communications technologies for IOWN and beyond
https://www.rd.ntt/e/nttdtc/overview/
rdf17-1e.pdf
and Communications, Japan, and "The Universal Link Project" and "R&D of Optical Transmission
https://www.rd.ntt/e/nttdtc/theme/pdf/2017/rdf/rdf17-1e.pdf
Overview of Quantum Optics and Optical Materials Research
communications and optical signal processing as well as for the scientific progress of the field. Optical State
https://www.rd.ntt/e/brl/result/activities/file/report00/E/report15_e.html
Yutaka Miyamoto | NTT R&D Website
. -Large-scale digital signal processing technology for optical communications -Wideband optical/electrical
https://www.rd.ntt/e/organization/researcher/fellow/f_006.html
Efficiently Accommodating High-frequency-band Wireless Systems by Using Analog Radio-over-fiber | NTT R&D Website
by improving our remote-beamforming technology and work with researchers of optical communications to
https://www.rd.ntt/e/research/JN20200315_h.html
What is high-capacity optical transmission technology? Infrastructure to support rapidly increasing communication traffic|NTT R&D Website
the backbone optical communication network. For this reason, NTT and NTT Communications are developing
https://www.rd.ntt/e/communication_device/0001.html
Aiming to Build Neural Networks and Quantum Computers through Analog Manipulation of Light Waves | NTT R&D Website
further enhance these features of optical communications but also reduce energy consumption. Optical
https://www.rd.ntt/e/research/JN202411_30167.html
NTT Innovative Photonic Network Center | NTT R&D Website
communications and photonics-electronics convergence/integration technology ② Wideband and low-noise optical
https://www.rd.ntt/e/ipc/
R&D of Innovative Optical Transmission Line Technologies|NTT R&D Website
communications systems (5G/6G). To construct optical transmission line facilities that support such next
https://www.rd.ntt/e/research/JN202102_10373.html
Report on the NTT R&D Forum — Road to IOWN 2022|NTT R&D Website
communications? The answer is 'yes,' but it requires many electro-optical conversions along the communication
https://www.rd.ntt/e/forum/2022/keynote_2.html
Against a dogma, quantum repeaters for long-distance quantum communication are made all photonic.|NTT Basic Research Laboratories | NTT R&D Website
communications, there has been an approach to the ‘photonic network’ based on optical devices alone towards
https://www.rd.ntt/e/brl/latesttopics/2015/04/latest_topics_201504151801.html
Core Network Technology Research Project | Research and Development Projects | NTT Network Service Systems Laboratories | NTT R&D Website
technologies in each layer of optical transport, network services, and service platforms to realize IOWN
https://www.rd.ntt/e/ns/theme/nw_technology.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
cross-connects for communications buildings, and automatic optical path provisioning. What is "efficient
https://www.rd.ntt/e/research/RDNTT20210601.html
中川 雅弘 | NTT R&D Website
analysis of highly-survivable adaptive restoration for high-capacity optical signal transmission," IEICE
https://www.rd.ntt/organization/researcher/special/s_099.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
) technology that transmits two types of optical signals, one for communications and one for power supply, over
https://www.rd.ntt/e/research/JN202502_32098.html
Yasushi Takatori | NTT R&D Website
Wideband Optical Signals," IEICE Trans. on Communications, Vol.E94-B No.7, pp.1801-1808, July 2011. Naoki
https://www.rd.ntt/e/organization/researcher/superior/s_029.html
R&D History | NTT R&D Website
Communications Service started. 1982 Successful development of single-mode optical fiber cable by VAD. Electronic
https://www.rd.ntt/e/about/chronicle/
Takeo Sasai | NTT R&D Website
Transceiver Capable of Distance-Resolved, Longitudinal Power Monitoring," Optical Fiber Communications
https://www.rd.ntt/e/organization/researcher/special/s_106.html
Shigeru Kanazawa | NTT R&D Website
communications, and to fabricate ultra high-speed, ultra-compact, and ultra-low power consumption optical modules
https://www.rd.ntt/e/organization/researcher/special/s_080.html
E04_leaf_e.pdf
technologies will pave the way for multi-Tb/s optical and beyond-100-Gb/s wireless communications and support
https://www.rd.ntt/forum/2023/doc/E04_leaf_e.pdf
About Us | NTT Network Technology Center | NTT R&D Website
, including communications networks. In 2019, NTT announced the Innovative Optical and Wireless Network (IOWN
https://www.rd.ntt/e/ntc/overview/
About Us | NTT Information Network Laboratory Group | NTT R&D Website
technologies to provide optical paths end-to-end through optical full-mesh networks. In wireless communications
https://www.rd.ntt/e/inlab/overview/
Standardization Trends in Technologies Related to Fixed-line Networks | NTT R&D Website
optical communications capable of a transmission rate of over 10 Gbit/s by developing a recommendation, G
https://www.rd.ntt/e/research/JN202311_23702.html
Past and Future Prospects for Advanced Operation of Access Network Facilities | NTT R&D Website
telephones using metal cables to data communications using optical fibers. In this context, we at NTT Access
https://www.rd.ntt/e/research/JN202307_22286.html
Wireless Entrance Project | NTT Access Network Service Systems Laboratories | NTT R&D Website
over optical fibers over long distances. You. --Could you tell us about wireless communications using
https://www.rd.ntt/e/as/team_researchers/team/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
Activities for Fixed-mobile Convergence Services in the IOWN Initiative | NTT R&D Website
of optical fibers. Several communications between a DU and RU can be multiplexed on a single fiber
https://www.rd.ntt/e/research/JN202411_30129.html
Hiroshi Yamazaki | NTT R&D Website
to drastically accelerate optical data communications. Academic Activities 2020-2022 Deputy Editor
https://www.rd.ntt/e/organization/researcher/special/s_038.html
Single Photon Detection Using MgB2 Superconductor
Superconductor Hiroyuki Shibata Optical Science Laboratory Quantum cryptography is the ideal way to achieve
https://www.rd.ntt/e/brl/result/activities/file/report08/report26.html
Message from Shingo Kinoshita, Senior Vice President, Head of R&D Planning Department, NTT Corporation|NTT R&D Website
infrastructure in unexplored areas such as optical communications technology, voice/image encoding technology
https://www.rd.ntt/e/about/message.html
Turning an Innovative Idea into Common Sense and Making It Useful to Society | NTT R&D Website
: (i) large-scale digital-signal-processing technology for optical communications; (ii) photonics
https://www.rd.ntt/e/research/JN202304_21583.html
Basic Technologies toward the All-Photonics Network | NTT R&D Website
power consumption by introducing optical communications technology in the chip's wiring section that
https://www.rd.ntt/e/research/JN20200126_h.html
鷹取 泰司 | NTT R&D Website
Wideband Optical Signals," IEICE Trans. on Communications, Vol.E94-B No.7, pp.1801-1808, July 2011. Naoki
https://www.rd.ntt/organization/researcher/superior/s_029.html
N10_leaf_e.pdf
board with only electrical wiring. Optical interconnects are keys to solve the problem. Summary Based on
https://www.rd.ntt/forum/2023/doc/N10_leaf_e.pdf
Kim Sangyuep | NTT R&D Website
-Electronics and Communications Conference (OECC) 2018 Keywords Access networks Optical coherent systems
https://www.rd.ntt/e/organization/researcher/special/s_059.html
国際会議招待講演一覧(2013年)
. 2013). (2) S. Matsuo, "Monolithically Integrated Optical Link Using Photonic Crystal Laser and
https://www.rd.ntt/brl/result/activities/file/report13/data11J.html
List of Invited Talks at International Conferences (2013)
. Matsuo, "Monolithically Integrated Optical Link Using Photonic Crystal Laser and Photodetector", 25th
https://www.rd.ntt/e/brl/result/activities/file/report13/data10E.html
Programmable linear optical circuit realized on a chip|NTT Basic Research Laboratories | NTT R&D Website
optical communications technologies. In this work, a PLC was designed for its use at the optical
https://www.rd.ntt/e/brl/latesttopics/2015/08/latest_topics_201508171025.html
Quality-prediction Technology for Optimal Use of Multiple Wireless Access Networks | NTT R&D Website
® for Innovative Optical and Wireless Network (IOWN), NTT Technical Review, June 2020. Keisuke Wakao
https://www.rd.ntt/e/research/JN20200411_h.html
NTT R&D FORUM 2025 Event Report | NTT R&D Website
and proven optical communications technology with quantum technology, we will open up new horizons by
https://www.rd.ntt/e/forum/2025/
ANSL_inner_0205_Blue_e_A
communications or services. This is achieved through use of optical signal branching, switching and management
https://www.rd.ntt/e/download/ANSL_pdf_e.pdf
NTT(List of recommended exhibits) | Exhibits | Tsukuba Forum 2026
Exhibitors NTT List of recommended exhibits List of recommended exhibits NTT Optical Communication
https://www.rd.ntt/e/as/tforum/companylist_nttc6.html
Munehiko Nagatani | NTT R&D Website
analog IC technologies for communications and emerging applications. In this page Awards IEICE 28th
https://www.rd.ntt/e/organization/researcher/special/s_024.html
High-Speed Analog Circuit Research Group|Device Technology Laboratories|NTT R&D Website
applications such as optical communications, wireless communications, and radar/sensing, we aim to achieve
https://www.rd.ntt/e/dtl/technology/high-speed_analog_circuit_research_group_ntt_device_technology_laboratories_ntt_rd_website.html
Optical Cryptographic Circuit Technology Consisting of Optical Logic Gates for a Secure Information-processing Platform | NTT R&D Website
optical cryptographic operations circuits so that anyone can safely use this new communications platform
https://www.rd.ntt/e/research/JN202403_25306.html
no_28_en.pdf
NTT Basic Research Laboratories Optical Memory with Extremely-low Energy Consumption - for future
https://www.rd.ntt/brl/event/splaza2009/poster/EN/no_28_en.pdf
Research Is Enjoyment. Long-term Research Can Be Useful to Society | NTT R&D Website
's largest international conferences in the field of optical communications, we received a top-score
https://www.rd.ntt/e/research/JN20200333_h.html
芝原 光樹 | NTT R&D Website
Communications)Category SC6/SC5 "Optical Transmission Systems" 技術プログラム委員 2025年~2026年 電子情報通信学会 光通信システム研究専門委員会(OCS
https://www.rd.ntt/organization/researcher/special/s_070.html
Innovation in Computing Powered by Photonic Technology--Evolution toward IOWN 2.0 and 3.0, and the Leap to Quantum | NTT R&D Website
have become major bottlenecks. Figure 3 shows the regions where electrical and optical communications
https://www.rd.ntt/e/forum/2025/keynote_1.html