Result for "Digital coherent optical communication",105

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

time-division multiplexing (TDM), wavelength-division multiplexing (WDM), digital coherent optical

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

Ultracompact Silicon Photonics Coherent Optical Subassembly for Ultrahigh-capacity Optical Communication | NTT R&D Website

, a compact optical module for an optical transceiver can be fabricated. 3. COSA for digital coherent

https://www.rd.ntt/e/research/JN202008_6165.html

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

expected to exceed 1 Pbit/s by the 2030s. Digital coherent optical communication technology using digital

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

Future Development of Digital Coherent Optical Transmission Technology | NTT R&D Website

Future Development of Digital Coherent Optical Transmission Technology | NTT R&D Website NTT R&D

https://www.rd.ntt/e/research/JN202205_18123.html

Ryo Koma | NTT R&D Website

Optical and Electrical Gain Control to Extend the Dynamic Range of the Burst-Mode Digital Coherent

https://www.rd.ntt/e/organization/researcher/special/s_096.html

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

optical-amplifier repeater digital coherent technology WDM bandwidth expansion The spread of the Internet

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

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

. “Digital coherent optical transmission technology” is becoming popular as a technology to realize optical

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

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

? Infrastructure to support rapidly increasing communication traffic What is high-capacity optical transmission

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

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

achieving 400-Gbit/s-class signal transmission through digital-coherent optical transmission technology

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

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

latency. For example, our team has achieved a real-time digital coherent optical transceiver circuit for

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

Takeo Sasai | NTT R&D Website

. Yamamoto, H. Nishizawa, and Y. Kisaka, "Digital Longitudinal Monitoring of Optical Fiber Communication Link

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

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

demonstrated the world's first optical amplified transmission using digital-coherent optical signals exceeding

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

transmission performance by using digital-coherent access technology as a basic technology to enable optical

https://www.rd.ntt/e/research/JN202510_36701.html

I Want to Think from a Broader Perspective to Achieve My Ultimate Goal | NTT R&D Website

network digital coherent access All-Photonics Network In Japan, against the backdrop of the spread of high

https://www.rd.ntt/e/research/JN202212_20304.html

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

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

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

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

) that enables large-capacity transmission of 1.6-Tbit/s class by using digital coherent optical

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

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

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

, the 100-Gbit/s per wavelength optical communication infrastructure using the digital coherent

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

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

coherent optical communication technology makes it possible to send signals at different brightness

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

Takahiro Suzuki | NTT R&D Website

Coherent DSP Enabling Converged Heterogeneous PON Service," European Conference on Optical Communication

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

Yoshihiro Ogiso | NTT R&D Website

) Keywords High-speed optical modulation technology Compound semiconductor Digital coherent device Related

https://www.rd.ntt/e/organization/researcher/special/s_062.html

胡間 遼 | NTT R&D Website

会議 OFC （Optical Fiber Communication Conference） Subcommittee (N4: Optical Access Networks for Fixed

https://www.rd.ntt/organization/researcher/special/s_096.html

Photonic Transport Network Systems Project | NTT R&D Website

high-density wavelength-multiplexing technology and digital-coherent technology—makes it possible to

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

Photonic Implementation of Reservoir Computing | NTT R&D Website

processing for optical communication, as shown in Fig. 3(a). In recent optical communication, the distortions

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

鈴木 貴大 | NTT R&D Website

Conference on Optical Communication (ECOC), Technical Program Committee (2025年～) Opto-Electronics and

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

Optical Device Technology for Next-generation Computing Using Light | NTT R&D Website

addition, communication technologies that facilitate the coordination of distributed digital information

https://www.rd.ntt/e/research/JN202206_18551.html

Bandwidth-doubler Technology Eliminates Bandwidth Bottlenecks | NTT R&D Website

In communication systems that involve signal processing using digital circuits, the bandwidth at the

https://www.rd.ntt/e/research/JN202206_18608.html

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

, K. Aihara, and M. Hasegawa Applying Coherent Ising Machines for Enhancing Communication Efficiency

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

Research Is Enjoyment. Long-term Research Can Be Useful to Society | NTT R&D Website

real-time digital coherent optical transceiver for optical access networks has been implemented by our

https://www.rd.ntt/e/research/JN20200333_h.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/

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

. Takesue, K. Inaba, K. Aihara, and M. Hasegawa Applying Coherent Ising Machines for Enhancing Communication

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

小林 孝行 | NTT R&D Website

Paper Award "PMD Tolerance of 100-Gbit/s Digital Coherent PDM-QPSK in DSF-Installed Field Testbed" 2013年

https://www.rd.ntt/organization/researcher/special/s_015.html

E09-e.pdf

exceeds the data rates of existing OCTs through digital coherent transmission, and enhancement of OISL

https://www.rd.ntt/forum/2025/doc/E09-e.pdf

All-Photonics Network and Photonics-electronics Convergence Technologies as a Vision of the Future | NTT R&D Website

single optical fiber and the development of a coherent optical subassembly. Furthermore, the target end

https://www.rd.ntt/e/research/JN202008_5963.html

Toshimori Honjo, Ph.D.

). Research Interest Byond Von Nouman Computing Coherent Ising Machine Secure Communication Quantum key

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

Research into Ultra-high-speed Full Software Access Networks that Virtualize the Physical Layer Functionality of Communications Networks｜NTT R&D Website

(OLTs). To put it more technically, I am working on the softwarization of digital coherent modulation

https://www.rd.ntt/e/research/RDNTT20211201.html

Optical Technologies for Optical Quantum Computing with Continuous Variables | NTT R&D Website

amplitudes, similar to that used in digital-coherent transmission technology for optical fiber communications

https://www.rd.ntt/e/research/JN202304_21560.html

Nanophotonic Technologies toward Opto-electronic Integrated Accelerators | NTT R&D Website

Notomi 1. Optical technology: from communication to processing Optical technology is currently the

https://www.rd.ntt/e/research/JN202008_5995.html

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

Using the wide-band properties and flexibility of optical communication, a major feature of the All

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

NTT_TRFSW_2022_E.pdf

of optical transceiv- ers. Digital coherent technology is a transmission method combining digital

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

Open R&D　＜2025 Annual Report＞｜NTT R&D Website

Correction Technology using Power Generation 1 Tbit/s Class Large-Capacity Digital Coherent Optical Device 1

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

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

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

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

R&D History | NTT R&D Website

research into optical communication 1969 Field test of DIPS-1 information processing system started. 1972

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

Updates | NTT R&D Website

Technologies 08/05/2022 Future Development of Digital Coherent Optical Transmission Technology 08/05/2022

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

笹井　健生 | NTT R&D Website

. Yamamoto, H. Nishizawa, and Y. Kisaka, "Digital Longitudinal Monitoring of Optical Fiber Communication Link

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

Yuta Ueda | NTT R&D Website

,Semiconductor optical physics,Digital coherent optical communication,Optical remote sensing Related Contents

https://www.rd.ntt/e/organization/researcher/special/s_065.html

Latest Research Contents | NTT Basic Research Laboratories | NTT R&D Website

temperature in the optical communication wavelength range 02/12/2019 Creation of novel material Sr3OsO6 with

https://www.rd.ntt/e/brl/latesttopics/

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

was in a period when digital coherent communication, which exploits the wave properties of light, was

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

Moving Ising Machines Forward While Taking a Step towards Quantum Networks by Multi-photon Entangled States Based on Time-bin Qubits | NTT R&D Website

exploring the “coherent Ising machine,” a photonic computer that uses a network of optical oscillators to

https://www.rd.ntt/e/research/JN202506_34177.html

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

when optical communications first got underway, communication speeds using optical fiber have increased

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

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

speed and capacity to handle growing communication traffic as well as provide open optical interfaces

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

Annual_report_2019_E.pdf

ies t ha t wi l l l ead to innova t ions in optical communication and optical signal processing and to

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

NTT R&D FORUM 2025 Event Report | NTT R&D Website

with optical communications. Photonic quantum technology and digital coherent technology share the

https://www.rd.ntt/e/forum/2025/

Low-latency and Energy Efficient Technologies for New Optical Access Networks | NTT R&D Website

network unit (ONU) that enables IoT communication by using optical energy supplied through optical fibers

https://www.rd.ntt/e/research/JN202307_22288.html

R&D Activities of Core Wireless Technologies toward 6G Radio Access | NTT R&D Website

Paradigm with Wide-area Coverage Future Development of Digital Coherent Optical Transmission Technology

https://www.rd.ntt/e/research/JN202205_18140.html

What's IOWN? - Change the World | NTT R&D Website

in network interfaces called coherent optical subassembly (COSA). Silicon photonics technology is

https://www.rd.ntt/e/research/JN20200109_h.html

Demonstration of a high performance optical logic gate for ultralow-latency data processing｜NTT Basic Research Laboratories | NTT R&D Website

that resembles a Greek letter of ”Ψ” as a 3-input 1-output coherent optical combiner based on silicon

https://www.rd.ntt/e/brl/latesttopics/2020/03/latest_topics_202003061859.html

Aiming for High-speed, High-capacity Wireless Communication Systems through Practical Application of Terabit-class Wireless Transmission Technology | NTT R&D Website

) promoting the introduction of NTT optical device technologies (coherent digitalsignal-processor technology

https://www.rd.ntt/e/research/JN202507_34705.html

A Digital World of Humans and Society-Digital Twin Computing | NTT R&D Website

A Digital World of Humans and Society-Digital Twin Computing | NTT R&D Website NTT R&D Website

https://www.rd.ntt/e/research/JN20200117_h.html

Yasushi Takatori | NTT R&D Website

Communication, 2009, pp. 1-2. A. Sano, Y. Takatori and Y. Miyamoto, "No-guard-interval coherent optical OFDM for

https://www.rd.ntt/e/organization/researcher/superior/s_029.html

Study on Open All-Photonic Network in IOWN Global Forum | NTT R&D Website

. Evolution of optical transport technologies Since the commercialization of digital coherent transmission

https://www.rd.ntt/e/research/JN202203_17536.html

NTTBrl_honbun_E_190306.indd

development o f co re techno log ies t ha t wi l l l ead to innova t ions in optical communication and optical

https://www.rd.ntt/e/brl/result/activities/file/annual_report/Annual_report_2018_E.pdf

Report on the NTT R&D Forum — Road to IOWN 2022｜NTT R&D Website

. One is the development of a digital coherent signal processing circuit that can achieve an optical

https://www.rd.ntt/e/forum/2022/

Report on the NTT R&D Forum — Road to IOWN 2022｜NTT R&D Website

. One is the development of a digital coherent signal processing circuit that can achieve an optical

https://www.rd.ntt/e/forum/2022/index.html

鷹取 泰司 | NTT R&D Website

sampling rate analogue-to-digital converter," 2009 35th European Conference on Optical Communication, 2009

https://www.rd.ntt/organization/researcher/superior/s_029.html

NTTBrl_honbun_E_260302.indd

Quantum Circuits Quantum Communication Experiments in Telecommunication Band Coherent Ising Machine

https://www.rd.ntt/brl/result/activities/file/annual_report/NTTBrl_E_260310_print.pdf

NTTBrl__E_h1

ead to innova t ions in optical communication and optical signal processing and to fundamental

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

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

with optical communication functions, allowing them to communicate directly with the memory using light

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

論文｜NTT物性科学基礎研究所｜NTT R&D Website

"Optimization by Neural Networks in the Coherent Ising Machine and its Application to Wireless Communication

https://www.rd.ntt/brl/result/publications/paper_2021.html

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

"Optimization by Neural Networks in the Coherent Ising Machine and its Application to Wireless Communication

https://www.rd.ntt/e/brl/result/publications/paper_2021.html

NTTBrl_honbun_E_220301-2.indd

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

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

トランスポートイノベーション研究部｜NTT未来ねっと研究所｜NTT R&D Website

Longitudinal Monitoring of Optical Fiber Communication Link," Journal of Lightwave Technology, vol. 40, no. 8

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

NTTBrl_honbun_E_230228_final.indd

explore ways to take advantage of the strengths of virtual, online and on-site communication. We are also

https://www.rd.ntt/brl/brl/result/activities/file/annual_report/Annual_report_2022_E.pdf

NTTBrl_honbun_E_230228_final.indd

explore ways to take advantage of the strengths of virtual, online and on-site communication. We are also

https://www.rd.ntt/e/brl/result/activities/file/annual_report/Annual_report_2022_E.pdf

山本 喜久｜NTT R&D Website

. Matsumoto, Coherent Optical Communications (Japan, Institute of Electrical Information and Communication

https://www.rd.ntt/organization/authority/008.html

Annual_report_2023_E.pdf

Elucidation of the Underlying Physics Quantum Communication Experiments in Telecommunication Band Coherent

https://www.rd.ntt/brl/brl/result/activities/file/annual_report/Annual_report_2023_E.pdf

Annual_report_2023_E.pdf

Elucidation of the Underlying Physics Quantum Communication Experiments in Telecommunication Band Coherent

https://www.rd.ntt/e/brl/result/activities/file/annual_report/Annual_report_2023_E.pdf

Theoretical Quantum Physics Research Group | NTT Basic Research Laboratories | NTT R&D Website

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

https://www.rd.ntt/e/brl/group_introduction/group_013.html

NTT物性科学基礎研究所 理論量子物理研究グループ / 出版物

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

https://www.rd.ntt/brl/group_introduction/ryouron-g/publication_j.html

NTT Basic Research Laboratories Theoretical quantum physics research group / Publications

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

https://www.rd.ntt/brl/group_introduction/ryouron-g/publication.html

論文｜NTT物性科学基礎研究所｜NTT R&D Website

.54-mu m Telecom Transitions of Epitaxial (ErxSc1-x)(2)O-3 Thin Layers for Coherent Population

https://www.rd.ntt/brl/result/publications/paper_2018.html

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

Transitions of Epitaxial (ErxSc1-x)(2)O-3 Thin Layers for Coherent Population Manipulation: Weak Excitation

https://www.rd.ntt/e/brl/result/publications/paper_2018.html

Symposium Program

Antidots V. R. Misko Digital Materials Lab., FRS, RIKEN PMo-15 Optical band edge of II-VI and III-V based

https://www.rd.ntt/brl/event/ms s2004/sympo_pgm.html

Annual_report_2020_E.pdf

Laboratory Group Introduction Quantum Optical State Control Research Group Photonic Quantum Communication

https://www.rd.ntt/e/brl/result/activities/file/annual_report/Annual_report_2020_E.pdf

理論量子物理研究グループ｜NTT物性科学基礎研究所｜NTT R&D Website

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

https://www.rd.ntt/brl/group_introduction/group_013.html

論文｜NTT物性科学基礎研究所｜NTT R&D Website

"Applying Coherent Ising Machines for Enhancing Communication Efficiency in Large-Scale UAV-Aided Networks

https://www.rd.ntt/brl/result/publications/paper_2024.html

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

, and K. Yamada "Implementing Optical Analog Computing and Electrooptic Hopfield Network by Silicon

https://www.rd.ntt/e/brl/result/publications/paper_2024.html

NTT物性科学基礎研究所の研究活動

Optical Properties with Coherent Phonons in Quantum Dots ♦ Optical Nanocavity Formed by a Semiconductor

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

Report on the NTT R&D Forum 2018 (Autumn) | NTT R&D Website

Research and Development Center (Musashino City, Tokyo) under the concept, "Transforming Your Digital

https://www.rd.ntt/e/forum/forum2018_autumn.html

AS Information | NTT R&D Website

Accommodating All Types of Wavelength Paths for Digital-Coherent and IM-DD User Terminals in All-Photonic Metro

https://www.rd.ntt/as/info/

report_2005E.pdf

Zeeman Field ♦ Optical Nonlinearity by Exciton-Biexciton Coherent Effects in Quantum Dots ♦ Nanoholes

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

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

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

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

Publication

. Notomi, K. Nozaki, A. Shinya, S. Matsuo, E. Kuramochi, “Toward fJ/bit optical communication in a chip

https://www.rd.ntt/npc/group/ryouna-g/publication-j.html

Publication

. Notomi, K. Nozaki, A. Shinya, S. Matsuo, E. Kuramochi, “Toward fJ/bit optical communication in a chip

https://www.rd.ntt/npc/group/ryouna-g/publication.html

Publication

, A. Shinya, S. Matsuo, E. Kuramochi, "Toward fJ/bit optical communication in a chip", Opt. Commun

https://www.rd.ntt/brl/group_introduction/butsuna-g/publication.html

Publication

, A. Shinya, S. Matsuo, E. Kuramochi, "Toward fJ/bit optical communication in a chip", Opt. Commun

https://www.rd.ntt/brl/group_introduction/butsuna-g/publication-j.html

Microsoft Word - 01_akasaka-E.doc

such superposition? Quantum coherent oscillation Quantum mechanical states are controlled by relative

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

Report_15_E.pdf

Optical Science Laboratory ◆ Coherent Raman Beat Analysis of the Hyperfine Sublevel Coherence Properties

https://www.rd.ntt/e/brl/result/activities/file/report15/Report_15_E.pdf

論文｜NTT物性科学基礎研究所｜NTT R&D Website

. Oliver, M. Aranzana, and Y. Yamamoto "Rashba effect within the coherent scattering formalism" Phys. Rev

https://www.rd.ntt/brl/result/publications/paper_2002.html