Salience Labs raises $125M Series B to scale optical switching for AI datacenters

Oxford-based Salience Labs has closed an oversubscribed $125 million Series B led by Bullhound Capital, with AMD Ventures, Intel Capital and SBI Group participating. The funding will support deployment of its optical circuit switching technology, higher-volume manufacturing and expansion in Silicon Valley, following a 64-port silicon photonic switch demo at ECOC 2026.

• $125M Series B led by Bullhound Capital
• Investors include AMD Ventures, Intel Capital and SBI Group
• 64-port silicon photonic switch demonstrated at ECOC 2026
• 128- and 256-port products on the roadmap