Key Findings
Nippon Telegraph and Telephone Corporation (NTT) achieved record revenues in the first quarter of fiscal year 2026, leveraging this momentum to significantly accelerate the global deployment of its Innovative Optical and Wireless Network (IOWN) technology. Noteworthy advancements include the integration of the All-Photonics Network (APN) into remote operations within Chile’s copper mining industry, the commencement of a proof-of-concept experiment for Photonic-Electronic Converged (PEC-2) device-equipped switches to enhance data center energy efficiency in India, and the establishment of a “GPU over APN Testbed” at eight locations across Japan. These initiatives mark crucial milestones toward realizing IOWN’s AIOWN vision, which aims for dramatic improvements in power efficiency and processing power.
Technical & Business Details
- APN Deployment in Chile: In Chile’s copper mining sector, IOWN’s APN has been deployed for remote control systems to boost safety and productivity in harsh environments. APN processes signals entirely with light from end-to-end, delivering ultra-low latency and high-capacity communication, which enables precise remote machine operation. This is expected to significantly improve worker safety and operational efficiency.
- PEC-2 Switch PoC in India: In India, a proof-of-concept experiment is underway for switches equipped with NTT’s PEC-2 devices to address the escalating power consumption in data centers. PEC-2 maximizes the conversion efficiency between electrical and optical signals, dramatically improving data center energy efficiency, reducing operational costs, and lowering environmental impact. This technology is key to building sustainable IT infrastructure, especially as AI workloads increase data center power demands.
- GPU over APN Testbed in Japan: The “GPU over APN Testbed”, implemented across eight locations in Japan, seamlessly connects distributed GPU resources via APN, enhancing AI computation flexibility and efficiency. This testbed allows geographically dispersed GPUs to function as a single high-performance supercomputer, enabling faster and more cost-effective training and inference for large-scale AI models. This provides a groundbreaking environment for AI developers and research institutions.
Background & Context
NTT’s IOWN concept aims for a dramatic evolution of information and communication infrastructure by realizing networks, computing, and devices entirely based on light. With the explosive proliferation of AI and IoT, data processing volumes and network traffic are surging, and existing electrical signal-based technologies are beginning to show their limits. IOWN is expected to transform social infrastructure, industries, and individual lifestyles by simultaneously achieving ultra-high-speed, low-latency communication and significant power consumption reduction. The recent specific deployments and trials in various regions demonstrate the steady implementation of this ambitious vision into real-world applications.
Strategic Significance & Outlook
The global expansion of NTT’s IOWN technology will have a profound impact across diverse sectors, including telecommunications, AI, cloud computing, and industrial automation. Particularly, IOWN’s ability to improve power efficiency contributes to reducing the environmental footprint of data centers worldwide, marking a crucial step towards a sustainable digital society. As more countries and regions adopt these solutions, IOWN could potentially emerge as a new global standard for digital infrastructure. The advancement of the AIOWN vision clearly demonstrates NTT’s commitment to solving societal challenges through technological innovation.
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