Ntt Inc · TSE:9432
Ntt — Technical Presentation (October 2025)
17 slides from Ntt's technical presentation, Oct 6, 2025
Slide 1: Toward the Future with IOWN
Toward the Future with IOWN Low-Power Optical Computing for the AI Era NTT, Inc. Representative Member of the Board Senior Executive Vice President and CTO Riaki Hoshino Copyright 2022 NTT CORPORATION
Slide 2: Optical Computing in IOWN
Optical Computing in IOWN • IOWN consists of the All-Photonics Network (APN), Photonics-Electronics Convergence devices (PEC) , and Data-Centric Infrastructure (DCI). • Until now, implementation has focused mainly on APN services, leveraging ultra-high speed and low latency. • The scope of implement
Slide 3: Increased power consumption due to expansion of the AI market
Increased power consumption due to expansion of the AI market • The AI market is predicted to grow 20 times compared to 2021, reaching $1.8 trillion (approximately 280 trillion yen) by 2030. • Data center power consumption is predicted to double by 2030 compared to 2024. Global AI market size (sal
Slide 4: Infrastructure Direction
Infrastructure Direction • Addressing the significant increase in power consumption associated with the expanding use of AI. Reducing total infrastructure power consumption through photonic computing CPU memory CPU memory GPU GPU GPU GPU GPU GPU GPU GPU GPU GPU GPU GPU CPU memory CPU memory GPU GPU
Slide 5: The advantages of optical fiber in large-capacity communications
The advantages of optical fiber in large-capacity communications • In large-volume electrical communications, power consumption increases dramatically as the transmission distance increases. • On the other hand, optical communication has the advantage of hardly increasing power consumption. Relation
Slide 6: IOWN Roadmap and Application Areas
IOWN Roadmap and Application Areas • In 2023, we developed IOWN 1.0, photonics-electronics convergence devices (PEC-1) for networks, and applied it to relay devices and DC connections. • In 2025, we developed IOWN 2.0, photonics-electronics convergence devices (PEC-2) for board connections. ２０２３ ２０２
Slide 7: Demonstration of IOWN use cases at the Expo
Demonstration of IOWN use cases at the Expo • At the Osaka/Kansai Expo, use cases such as real-time spatial transmission and remote production were demonstrated using IOWN technology. • Real-time analysis using photonic computing with IOWN2.0 was also conducted. IOWN x Perfume CHO-KABUKI Real-time s
Slide 8: Optical computing at the Expo pavilion
Optical computing at the Expo pavilion • The IOWN 2.0 photonics-electronics convergence device was used in the AI camera analysis at the NTT Pavilion at the Osaka-Kansai Expo, achieving a computer with 1/8 the power consumption. IOWN photonic NTT Pavilion disaggregated computing (DCI*) Real-time Re
Slide 9: The role of ecosystem players in realizing optical computing
The role of ecosystem players in realizing optical computing • IOWN photonic disaggregated computing is realized by combining NTT’s photonics-electronics convergence technology with the latest technologies from chip/switch manufacturers, etc. Rack equipped with photonics-electronics Optical engine c
Slide 10: History of NTT's innovation in optical communications technology
History of NTT’s innovation in optical communications technology • For over 40 years, NTT has been involved in the research, development, and practical application of optical communications, and has been working to realize optical communications in smaller units to meet the needs of the times. 1977
Slide 11: The role of ecosystem players in realizing optical computing
The role of ecosystem players in realizing optical computing • IOWN photonic disaggregated computing is realized by combining NTT’s photonics-electronics convergence technology with the latest technologies from chip/switch manufacturers, etc. Rack equipped with photonics-electronics Optical engine c
Slide 12: The advantages of optical fiber in large-capacity communications
The advantages of optical fiber in large-capacity communications • In large-volume electrical communications, power consumption increases dramatically as the transmission distance increases. • On the other hand, optical communication has the advantage of hardly increasing power consumption. Relation
Slide 13: IOWN 3.0: Further evolution of optical computing
IOWN 3.0: Further evolution of optical computing • IOWN 3.0 will achieve dramatic power reductions by using the advanced photonics-electronics convergence device PEC-3 to achieve optical wiring between semiconductor packages such as CPUs and GPUs. ２０２３ ２０２５ ２０２８~ ２０３２~ IOWN 1.0 IOWN 2.0 IOWN 3.0 IOW
Slide 14: Membrane devices that achieve IOWN 3.0
Membrane devices that achieve IOWN 3.0 • IOWN3.0 utilizes NTT’s proprietary thin-film technology (membrane technology). • The structure of conventional optical devices has been radically changed, resulting in a device that is small enough to be directly attached to a chip. IC Chip 1.11 mm Membrane D
Slide 15: Innovating a Sustainable Future for People and Planet
Innovating a Sustainable Future for People and Planet
Slide 16: ©) NTT
©) NTT
Slide 17: Translation notice and forward-looking statements
This document is a translation of the Japanese original. The Japanese original is authoritative. The forward-looking statements and projected figures concerning the future performance of NTT and its subsidiaries and affiliates contained or referred to herein are based on a series of assumptions, pr