Ayar Labs, which is developing a way to link AI chips directly with optical connections, raised $150M, an extension of its $500M Series E in March 2026 (Stephen Nellis/Reuters)

Stephen Nellis / Reuters: Ayar Labs, which is developing a way to link AI chips directly with optical connections, raised $150M, an extension of its $500M Series E in March 2026 — Ayar Labs, a Silicon Valley startup developing a way to link AI chips directly together with optical connections, on Thursday said it has raised an additional $150 million.