Result for "High speed optical transmission",272

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

A Leap Forward in Ultra-high-speed Optical Modulation and Demodulation Technology for Achieving High-capacity, Long-distance Transmission | NTT R&D Website

, Long-distance Transmission 07/27/2026 A Leap Forward in Ultra-high-speed Optical Modulation and

https://www.rd.ntt/e/research/JN202605_39218.html

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

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

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

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

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

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

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

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/

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

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

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

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/

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

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

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

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

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

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

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

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

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

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

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

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

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

Updates | NTT R&D Website

Impairments 07/27/2026 A Leap Forward in Ultra-high-speed Optical Modulation and Demodulation Technology for

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

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