Ayar Labs closes a $500M Series E to move co-packaged optics into volume production

Ayar Labs/TeraPHY optical I/O

Ayar Labs closed a $500 million Series E led by Neuberger Berman at a $3.75 billion valuation, with MediaTek, Alchip, ARK, and QIA joining NVIDIA and AMD. Total funding reaches $870 million; the money scales production and testing of co-packaged optics, which link thousands of GPUs with light instead of copper.

• $500 million Series E led by Neuberger Berman at $3.75 billion valuation; total funding $870 million.
• New investors include MediaTek, Alchip, ARK, and QIA; existing investors NVIDIA and AMD also participated.
• Funds scale production and testing of co-packaged optics replacing copper interconnects in large-scale AI systems.