Optical switching startup Salience Labs raises $125m with AMD and Intel backing

UK-based Salience Labs has raised $125 million in a Series B round led by Bullhound Capital, with AMD Ventures and Intel Capital participating. The funding will accelerate deployment of its optical circuit switching technology for AI data center connectivity, scale manufacturing and expand its US presence in Silicon Valley.

• Series B round of $125m led by Bullhound Capital
• AMD Ventures, Intel Capital, SBI Group and British Business Bank participated
• Debuted a 32-port all-optical switch in March 2026, 64-port version in September
• Plans to scale to 128- and 256-port configurations