Salience Labs Secures $125M for Optical AI Switches
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Salience Labs, a Silicon Valley start‑up, announced a $125‑million Series B round led by AMD Ventures, Intel Capital and the British Business Bank. The funding will accelerate the company’s all‑optical photonic switches, designed to boost data‑center performance for artificial‑intelligence workloads.
In October 2026, the firm demonstrated a 64‑port optical switch at the ECOC conference, showcasing its potential to replace traditional electronic interconnects. The expansion will see new facilities in California, positioning Salience Labs as a key player in the emerging silicon‑photonic market.
Investors expect the technology to reduce latency and energy consumption in AI data centers, offering a competitive edge for cloud providers and enterprise customers. The Series B round follows an $11.5‑million seed in 2022 and a $30‑million Series A in 2023, underscoring growing confidence in optical networking. With the new capital, Salience Labs plans to scale production
Timeline
- 2026 — Expansion plans for new California facility announced.
- On October 14 2026 64‑port optical switch demonstrated at ECOC conference.
Sources
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