Tech Giants Team Up for USD 500m Venture to Fuel "IOWN" Distributed Optical AI Infrastructure
In a major cross-border play to anchor the next generation of artificial intelligence, a consortium of global technology and financial leaders announced the creation of the IOWN AI Fund.
Backed by telecom and technology heavyweights including NTT, SK Group, and Chunghwa Telecom, alongside the Development Bank of Japan (DBJ) and veteran Silicon Valley investor Young Sohn, the fund is targeting a total size of approximately US$500 million (¥80 billion). More than 20 companies worldwide have already signaled their intent to participate as investors.
Shift to Distributed, Inference-Driven AI
The vehicle emerges as the AI landscape undergoes a structural shift. According to organizers, the rise of Physical and Agentic AI is moving the needle away from centralized training models toward real-time inference applications. This transition requires localized, medium-sized edge data centers , triggering severe power constraints.
The fund aims to build out the Innovative Optical and Wireless Network (IOWN) ecosystem , focusing on distributed optical data centers connected by high-efficiency optical networks to mitigate escalating energy demands.
Investment Mandate & Structure
To manage the deployment of capital, a new entity named Catalight Capital will be established with dual hubs in Tokyo and Silicon Valley. Under the guidance of operating partners—including Sohn, who previously held executive roles at Samsung Electronics and Inphi —the fund will focus on mid-stage startups, while maintaining flexibility to back early- and growth-stage companies.
The fund’s primary mandate spans seven key technological layers:
- Photonics Technologies: Coherent communications, optical transmission, and switches.
- AI Processors & Advanced Packaging: GPUs, ASICs, NPUs, chiplets, and 3D packaging.
- Light Source & Modulators: Lasers, modulators, and VCSELs.
- Infrastructure Management: Liquid cooling, power optimization, and resource control.
- Software & AI Models: Distributed platforms, model compression, and quantization.
- Applications: AI implementation in healthcare, manufacturing, finance, and robotics.
Corporate Backing and Supply Chain Validation
The fund’s preliminary list of interested participants reads like a Who’s Who of the global technology supply chain. Notable strategic corporations exploring investment or collaboration include:
Executive endorsements from sector leaders—including Arm Holdings CEO Rene Haas, Broadcom SSG President Charlie Kawwas, and Cadence Design Systems CEO Anirudh Devgan—further underscore the industry's push toward a collaborative, open photonics ecosystem to help scale AI architecture.
Norbert Gehrke
