What is high-capacity optical transmission technology? Infrastructure to support rapidly increasing communication traffic|NTT R&D Website
What is high-capacity optical transmission technology? Infrastructure to support rapidly
https://www.rd.ntt/e/communication_device/0001.html
Ultra-high-capacity Optical Communication Technology | NTT R&D Website
technology for SDM transmission and high-speed optical transmission with transmission speeds up to terabits
https://www.rd.ntt/e/research/JN20200312_h.html
Achieving IOWN/6G and Creating New Value with World-leading Technologies | NTT R&D Website
will enable high-speed large-capacity optical transmission over 1 Tbit/s per wavelength, which is
https://www.rd.ntt/e/research/JN202405_26173.html
rdf17-1e.pdf
Design ・High capacity C+L-band transmission C-band L-band C-band L-band Frequency Optical fiber ■Digital
https://www.rd.ntt/e/nttdtc/theme/pdf/2017/rdf/rdf17-1e.pdf
Research and Development for Pioneering a New Communications Paradigm with Wide-area Coverage | NTT R&D Website
technologies, which include advanced and high-capacity backbone optical transmission networks and extended
https://www.rd.ntt/e/research/JN202205_18109.html
Future Development of Digital Coherent Optical Transmission Technology | NTT R&D Website
technology are described in this article from the perspectives of high-speed and high-capacity transmission
https://www.rd.ntt/e/research/JN202205_18123.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
High-output Optical Transmitter and High-sensitivity Optical Receiver for 400-Gbit/s 40-km Fiber-amplifier-less Transmission | NTT R&D Website
-speed optical transmission with high output (Fig. 1). An SOA is driven by current injection, and light
https://www.rd.ntt/e/research/JN202206_18469.html
All-optical switches based on photonic crystal nanocavities
. Here, we demonstrated low operation energy and high-speed all-optical switching on silicon-chip based
https://www.rd.ntt/e/brl/result/activities/file/report04/report32.html
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
Research and Development of 1.6-Tbit/s-class Ethernet Optical Transmission Technology Supporting Large-scale Datacenter Networks | NTT R&D Website
times per second. 2. Development trends in high-speed IM-DD signal transmission and reception technology
https://www.rd.ntt/e/research/JN202405_26179.html
Signal Processing Device Project | NTT Device Technology Center | NTT R&D Website
(coherent DSPs) to enable ultra-high-speed coherent optical transmissions (Figure 1). Coherent DSPs digitize
https://www.rd.ntt/e/nttdtc/organization/photonic.html
Photonics-electronics Convergence Technologies for Disaggregated Computing|NTT R&D Website
(LSI). STEP 2 involves placing optical transmission devices, such as semiconductor lasers and
https://www.rd.ntt/e/research/JN202105_13599.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
Ryo Koma | NTT R&D Website
high-speed optical transmission technology that meets the requirements of access networks, we aim to
https://www.rd.ntt/e/organization/researcher/special/s_096.html
Research on Ultra-high-speed Mach-Zehnder Electro-optic Modulators for Long-distance Optical Transmission of 1 Terabit per Second|NTT R&D Website
Research on Ultra-high-speed Mach-Zehnder Electro-optic Modulators for Long-distance Optical
https://www.rd.ntt/e/research/JN202201_16974.html
Gigabit Ethernet-PON system|NTT R&D Website
system 05/06/2022 Realization of economical, high-speed, broadband FTTHGigabit Ethernet-PON systemNTT
https://www.rd.ntt/e/research/AS0012.html
Ultracompact Silicon Photonics Coherent Optical Subassembly for Ultrahigh-capacity Optical Communication | NTT R&D Website
optical interfaces for high-speed transmission but also to reduce power consumption. By integrating an
https://www.rd.ntt/e/research/JN202008_6165.html
R&D History | NTT R&D Website
transmission system using fiber optical amplifier. Ultrahigh-speed compound semiconductor transistor for
https://www.rd.ntt/e/about/chronicle/
Aiming for High-speed, High-capacity Wireless Communication Systems through Practical Application of Terabit-class Wireless Transmission Technology | NTT R&D Website
Terabit-class Wireless Transmission Technology 09/19/2025 Aiming for High-speed, High-capacity Wireless
https://www.rd.ntt/e/research/JN202507_34705.html
Optical Transmission Technology for Practical Implementation of the All-Photonics Network | NTT R&D Website
stable transmission of high-speed optical signals. Multiplexing using multiple wavelength bands
https://www.rd.ntt/e/research/JN202211_20087.html
Wave Propagation Laboratory | NTT Network Innovation Laboratories | NTT R&D Website
high-speed, high-capacity transmission as a wireless xHaul technology equivalent to optical fiber
https://www.rd.ntt/e/mirai/organization/product_3/
Transmission Technology for Space-division Multiplexing Supporting Next-generation High-speed, Large-capacity Communications beyond Existing Limits | NTT R&D Website
Transmission Technology for Space-division Multiplexing Supporting Next-generation High-speed
https://www.rd.ntt/e/research/JN202307_22296.html
About Us | NTT Network Innovation Laboratories | NTT R&D Website
technologies will enable the long-distance, high-speed, and large-capacity transmission of information over a
https://www.rd.ntt/e/mirai/overview/
no_32_e.pdf
> Ubiquitous and commodity applications of ultra-fast optical networks - High-speed data transmission between
https://www.rd.ntt/brl/event/splaza2009/poster/EN/no_32_e.pdf
Transport Innovation Laboratory | NTT Network Innovation Laboratories | NTT R&D Website
research and development of ultra-high-capacity digital-coherent optical transmission technology and
https://www.rd.ntt/e/mirai/organization/product_4/
Compound semiconductor technology applicable to high-capacity optical telecommunication and terahertz wireless | NTT R&D Website
processing. This type of circuit is often used for high-capacity optical transmission and reception because
https://www.rd.ntt/e/research/DT0019.html
10G-EPON System | NTT R&D Website
High-speed data communication service Explanatory chart Technical explanation 1. PON technology A
https://www.rd.ntt/e/research/AS0056.html
R&D Activities of Core Wireless Technologies toward 6G Radio Access | NTT R&D Website
multiplexing transmission for terabit-class wireless communication The benefit of 5G is high-speed transmission
https://www.rd.ntt/e/research/JN202205_18140.html
Disaggregated Computing, the Basis of IOWN|NTT R&D Website
electrical signal, the greater the attenuation in the transmission path. Such a high-speed signal exceeding
https://www.rd.ntt/e/research/JN202105_13586.html
Research and Development of Scalable Optical Transport Technologies | NTT R&D Website
optical parametric amplification repeater technology and ultra-high-speed signal-generation technology
https://www.rd.ntt/e/research/JN202205_18134.html
NTT Innovative Photonic Network Center | NTT R&D Website
integration technology to achieve high-speed digital coherent optical transmission of the multi-terabit/s
https://www.rd.ntt/e/ipc/
Contributing to the Advancement of the IOWN APN through Research on New Optical Access Networks that Speed Up the Evolution of Information and Communication Services | NTT R&D Website
the Advancement of the IOWN APN through Research on New Optical Access Networks that Speed Up the
https://www.rd.ntt/e/research/JN202510_36701.html
High-Speed Analog Circuit Research Group|Device Technology Laboratories|NTT R&D Website
High-Speed Analog Circuit Research Group|Device Technology Laboratories|NTT R&D Website NTT R&D
https://www.rd.ntt/e/dtl/technology/high-speed_analog_circuit_research_group_ntt_device_technology_laboratories_ntt_rd_website.html
Optical Interconnect Device Project | NTT Device Technology Center | NTT R&D Website
Network (IOWN) concept and the future of low-power, high-quality, and high-speed communications, we are
https://www.rd.ntt/e/nttdtc/organization/product.html
Hiroshi Yamazaki | NTT R&D Website
-time lecturer, Yokohama National University Keywords High-speed optical transmission, bandwidth
https://www.rd.ntt/e/organization/researcher/special/s_038.html
Heterogeneous Materials and Devices Research Group|Device Technology Laboratories|NTT R&D Website
, 2019 NTT and JAXA Launch Joint Research for Ultra‑High‑Speed, Large‑Capacity, and Secure Optical
https://www.rd.ntt/e/dtl/technology/heterogeneous_materials_and_devices_research_group_ntt_device_technology_laboratories_ntt_rd_website.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
N09_leaf_e.pdf
Background NTT is developing several advanced devices for high-speed large-capacity optical paths
https://www.rd.ntt/forum/2023/doc/N09_leaf_e.pdf
Toshikazu Hashimoto | NTT R&D Website
, Shigeru; Hashimoto, Toshikazu; Nosaka, Hideyuki; Miyamoto, Yutaka; "Ultra-high-speed optical transmission
https://www.rd.ntt/e/organization/researcher/superior/s_028.html
Yutaka Miyamoto | NTT R&D Website
September 25, 2008 World Record for High-capacity Optical Fiber Transmission without Optical Dispersion
https://www.rd.ntt/e/organization/researcher/fellow/f_006.html
I Want to Think from a Broader Perspective to Achieve My Ultimate Goal | NTT R&D Website
provision of high-speed communication services is gaining pace, and the research and development of optical
https://www.rd.ntt/e/research/JN202212_20304.html
Ultra-wideband Analog ICs Using InP Semiconductors to Overcome the Limits of Optical Communications | NTT R&D Website
expand transmission capacity of optical communication systems. For example, a new technology known as
https://www.rd.ntt/e/research/JN202602_38170.html
Bandwidth-doubler Technology Eliminates Bandwidth Bottlenecks | NTT R&D Website
this article Bandwidth-doubler technology for doubling optical communication speed What are the ways to
https://www.rd.ntt/e/research/JN202206_18608.html
Takashi Matsui | NTT R&D Website
, "Applicability of photonic crystal fiber with uniform air-hole structure to high-speed and wide-band transmission
https://www.rd.ntt/e/organization/researcher/superior/s_042.html
All-photonic Intercity Quantum Key Distribution
the transmission of photons over optical fibres. In fact, based on the direct transmission of photons
https://www.rd.ntt/e/brl/result/activities/file/report15/report24E.html
Development of Membrane Optical Modulators for IOWN | NTT R&D Website
silicon photonics optical interconnection optical modulator To develop a high-speed, large-capacity
https://www.rd.ntt/e/research/JN202206_18502.html
橋本 俊和 | NTT R&D Website
; Nosaka, Hideyuki; Miyamoto, Yutaka; "Ultra-high-speed optical transmission using digital-preprocessed
https://www.rd.ntt/organization/researcher/superior/s_028.html
Software-based Optical Access Network Virtualization Technology: Facilitating New-service Prototype Provisioning | NTT R&D Website
in transmission equipment for optical access systems, and moving the control functions to a general
https://www.rd.ntt/e/research/JN202209_19572.html
Low-latency and Energy Efficient Technologies for New Optical Access Networks | NTT R&D Website
Technologies for New Optical Access Networks Wireless Technologies for Accelerating High-capacity Transmission
https://www.rd.ntt/e/research/JN202307_22288.html
E03_leaf_e.pdf
network enabled by wavelength conversion, and 2) long-haul multi-band transmission enabled by optical tilt
https://www.rd.ntt/forum/2023/doc/E03_leaf_e.pdf
Journal | NTT Device Technology Laboratories | NTT R&D Website
Researchers ・Research and Development of 1.6-Tbit/s-class Ethernet Optical Transmission Technology Supporting
https://www.rd.ntt/e/dtl/library/research.html
Optical Device Technology for Next-generation Computing Using Light | NTT R&D Website
processing speed of electronic circuits. In optical fiber communication, ultrahigh-speed transmission
https://www.rd.ntt/e/research/JN202206_18551.html
High-frequency-band Distributed Antenna System Technology Exploring the Possibilities of Higher Frequency Bands for Mobile Communications | NTT R&D Website
-speed and high-capacity wireless transmission, which has been difficult to achieve until now (Fig. 1
https://www.rd.ntt/e/research/JN202404_25756.html
Photonics-electronics convergence hardware technology, aimed at revolutionizing the network|NTT R&D Website
hardware technology, supporting large-capacity optical transmission technology and revolutionizing networks
https://www.rd.ntt/e/communication_device/0002.html
C+L-band Colorless, Directionless, Contentionless Reconfigurable Optical Add/Drop Multiplexing for High-capacity Network Flexibility | NTT R&D Website
. For high-capacity optical transmission, it is important to expand the use of wavelength-division
https://www.rd.ntt/e/research/JN202206_18480.html
E09-e.pdf
• Achieving a next-generation high-speed optical inter-satellite link(OISL) • Supports a wide range of data
https://www.rd.ntt/forum/2025/doc/E09-e.pdf
Innovative Network for 2030 (Beyond 2020) | NTT R&D Website
technology, we plan to establish ultra-high-speed optical signal transmission technologies (ultra-high-speed
https://www.rd.ntt/e/research/JN20200122_h.html
Light will revolutionize conventional computing infrastructure!Working towards the realization of photonics-electronics convergence processor chip with ultra-low power consumption. | NTT R&D Website
-019-0397-3 Realizing ultra high energy saving with optical modulators and high-speed high-efficiency
https://www.rd.ntt/e/research/CT99-348.html
Research into Ultra-high-speed Full Software Access Networks that Virtualize the Physical Layer Functionality of Communications Networks|NTT R&D Website
Sangyuep about the virtualization of the physical functionality (high-speed transmission interfaces) of
https://www.rd.ntt/e/research/RDNTT20211201.html
Photonic Transport Network Systems Project | NTT R&D Website
striving to increase the speed and capacity of optical transmission networks, make optical interfaces “open
https://www.rd.ntt/e/ntc/theme/transport.html
Coherent Optical-amplifier-repeater Transmission Will Enable Optical Transmission over Longer Distances and with Larger Capacities | NTT R&D Website
possible to transmit high-speed optical signals at speeds exceeding 100 Gbit/s per wavelength (Fig. 2). Fig
https://www.rd.ntt/e/research/JN202512_37464.html
ANSL_inner_0205_Blue_e_A
Telephone ONU High-speed ONU WDM/TDM-ONU LPWA AP AP AP AP Vertical shafts Conduits Manholes Optical repeater
https://www.rd.ntt/e/download/ANSL_pdf_e.pdf
Device Technology for Short-range Optical Interconnections with High Density and Low Power Consumption | NTT R&D Website
parasitic inductance and allowing high-speed signals to pass through. For optical connections, we connected
https://www.rd.ntt/e/research/JN202008_6173.html
NTT_TRFSW_2022_E.pdf
vision that emerged from the invention of a high- speed and energy-efficient optical transistor by NTT
https://www.rd.ntt/e/download/NTT_TRFSW_2022_E.pdf
Quantum key distribution over 200 km long optical fiber|NTT Basic Research Laboratories | NTT R&D Website
Realization of world’s fastest 10 GHz clock ultra-high speed quantum cryptography system NTT Basic Research
https://www.rd.ntt/e/brl/latesttopics/2007/05/latest_topics_200705310001.html
Optical Full-mesh Network Technologies Supporting the All-Photonics Network | NTT R&D Website
studied based on high-speed optical signal technology, multi-band transmission technology for transmitting
https://www.rd.ntt/e/research/JN20200318_h.html
R&D of Innovative Optical Transmission Line Technologies|NTT R&D Website
introduces our recent developments in optical transmission line technologies. High-density and high-count
https://www.rd.ntt/e/research/JN202102_10373.html
Remote Robot Control with Haptic Feedback Enabled by Low-latency Transport and Precision Bilateral Control Technologies | NTT R&D Website
with low latency has become more advantageous in real scenarios. Traditional optical transmission
https://www.rd.ntt/e/research/JN202405_26175.html
Controller Technology to Accelerate Societal Implementation of IOWN APN: Optical Network Controller | NTT R&D Website
IOWN APN, we aim to provide End-to-End optical wavelength paths that enable ultra-high-speed, large
https://www.rd.ntt/e/ns/optical_network_controller/interface_specification.html
Achieving the Word's Highest Wireless Transmission Rate by Delving into Theories That Appeared about 100 Years Ago | NTT R&D Website
-generation mobile communications system (5G) services, which feature high speed, large capacity, low latency
https://www.rd.ntt/e/research/JN202403_25301.html
Ultra High-Q Photonic Crystal Nanocavities Based on Compound Semiconductors
Ultra High-Q Photonic Crystal Nanocavities Based on Compound Semiconductors Ultra High-Q Photonic
https://www.rd.ntt/e/brl/result/activities/file/report07/report29.html
no_42_e.pdf
ultrahigh-speed transmission, and will open up a new world of optical devices. High-speed modulation
https://www.rd.ntt/brl/event/splaza2009/poster/EN/no_42_e.pdf
Wireless Entrance Project | NTT Access Network Service Systems Laboratories | NTT R&D Website
according to the user's situation or increasing the transmission speed by connecting multiple wireless
https://www.rd.ntt/e/as/team_researchers/team/01.html
Photonic Gateway and Related Optical Access Technologies to Achieve the All-Photonics Network|NTT R&D Website
improvements in transmission speed, so it will be possible to transfer more information rapidly at low cost
https://www.rd.ntt/e/research/JN202102_10379.html
All-Photonics Network and Photonics-electronics Convergence Technologies as a Vision of the Future | NTT R&D Website
information-processing infrastructure with low-power consumption and high-speed information transmission
https://www.rd.ntt/e/research/JN202008_5963.html
Realization of an ultra-energy-saving electro-optic modulator and highly-efficient optical transistor|NTT Basic Research Laboratories | NTT R&D Website
highly-efficient optical transistor - Progress towards energy-saving and high-speed opto-electronic
https://www.rd.ntt/e/brl/latesttopics/2019/04/latest_topics_201904161802.html
Overview of Space Integrated Computing Network | NTT R&D Website
) for high-speed transmission to the ground via a GEO satellite as its initial business activity. This
https://www.rd.ntt/e/research/JN202210_19855.html
Kim Sangyuep | NTT R&D Website
Service Systems LaboratoriesMore researchers belonging to the lab/center/dept Research on high-speed full
https://www.rd.ntt/e/organization/researcher/special/s_059.html
Underwater Acoustic Communication Technology for Wireless Remotely Operated Vehicles | NTT R&D Website
suitable for high-speed communication. However, the transmission distance for high-speed communication is
https://www.rd.ntt/e/research/JN202306_22116.html
Report on the NTT R&D Forum — Road to IOWN 2022|NTT R&D Website
(DTC). DTC adopts a new network and computing infrastructure using high-speed and low-power-consuming
https://www.rd.ntt/e/forum/2022/keynote_2.html
APN-controller Technology for IOWN Service Provision and Expansion | NTT R&D Website
-resolution and high-frequency input/output optical-level-monitoring functions and transmission-line fiber
https://www.rd.ntt/e/research/JN202311_23716.html
R&D Activities to Implement an Access Network for the IOWN Era | NTT R&D Website
high speed and large capacity in wireless access networks, the utilization of radio waves of higher
https://www.rd.ntt/e/research/JN202408_28842.html
Senior Distinguished Researcher Jun-ichi Kani | NTT Access Network Service Systems Laboratories | NTT R&D Website
describing this achievement received the Transmission, Access, and Optical Systems (TAOS) Technical Committee
https://www.rd.ntt/e/as/team_researchers/researcher/02.html
NTT Network Innovation Laboratories | NTT R&D Website
century network systems such as high–capacity, ultra–high–speed networks, next–generation wireless systems
https://www.rd.ntt/e/mirai/
Distinguished Researcher Taiji Sakamoto | NTT Access Network Service Systems Laboratories | NTT R&D Website
ultra-high-capacity, ultra-high-speed network of the future. Today, the data transmission capacity
https://www.rd.ntt/e/as/team_researchers/researcher/03.html
Video distribution system that supports BS/CS110°-IF signals pass-through using FM conversion method|NTT R&D Website
has the advantage of high tolerance against additive transmission noise and distortion compared to the
https://www.rd.ntt/e/research/AS0010.html
Sharing Moments of "This Is It!" with Colleagues to Research and Develop Optical Communication Technology for Revolutionizing Society | NTT R&D Website
commercially available. It is expected that high-speed transmission exceeding 1 Tbit/s per wavelength will be
https://www.rd.ntt/e/research/JN202007_5686.html
Yuta Ueda | NTT R&D Website
High-Speed (>100 Gbaud) Optical Devices", IEICE Trans. Electron., Vol.E102-C, No.4 pp.340-346 (2019). J
https://www.rd.ntt/e/organization/researcher/special/s_065.html
Overview of transistor technology and NTT's R&D on the world's fastest transistor|NTT R&D Website
integrated circuits, it is also necessary to ensure not only high-speed performance of transistors, but also
https://www.rd.ntt/e/communication_device/0003.html
Poster presentaion - SciencePlaza 2009 - NTT Basic Reseach Laboratories
- Ultra-high-speed wireless data transmission and millimeter- and terahertz-wave imaging - PDF S.Mochizuki
https://www.rd.ntt/brl/event/splaza2009/poster_e.html
10 GHz Clock Quantum Cryptography Experiment
generation rate is important. Here we report a high-speed quantum cryptography experiment at a 10-GHz clock
https://www.rd.ntt/e/brl/result/activities/file/report06/report25.html
マラソン × 超低遅延通信技術|NTT R&D Website
the two sites were transmitted to the other site via a 20-Gbit/s high-speed broadband line via a media
https://www.rd.ntt/e/research/JN202110_15557.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
Uncrackable quantum cryptography over 'doubled' distances|NTT Basic Research Laboratories | NTT R&D Website
technique to switch the linear optical circuit at high speed, depending on the previous measurement outcomes
https://www.rd.ntt/e/brl/latesttopics/2015/12/latest_topics_201512161930.html
Future Energy Technologies | NTT R&D Website
quality control by integrating power resources via a nationwide ultra-high-speed network. (2) Integrated
https://www.rd.ntt/e/research/JN20200518_h.html
Turning an Innovative Idea into Common Sense and Making It Useful to Society | NTT R&D Website
further scalability of digital-coherent optical-transmission technology that can achieve both high
https://www.rd.ntt/e/research/JN202304_21583.html
IOWN∴Quantum Leap | NTT R&D Website
that this device enables high-speed quantum measurement. Optical communications and optical quantum
https://www.rd.ntt/e/forum/2025/keynote_2.html
上田 悠太 | NTT R&D Website
Integrated Design Based on Flip-Chip Interconnection Technique (Hi-FIT) for High-Speed (>100 Gbaud) Optical
https://www.rd.ntt/organization/researcher/special/s_065.html
Basic Technologies toward the All-Photonics Network | NTT R&D Website
incorporates high-speed computing technology characteristics of optical technology. Therefore, the use of
https://www.rd.ntt/e/research/JN20200126_h.html