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Salience Labs Secures $125 Mn to Expand Optical Switching Technology for AI

Oct 15, 2026 | By Oliver Bennett

Salience Labs Secures $125 Mn to Expand Optical Switching Technology for AI

Salience Labs, a company developing photonic chips to improve connectivity in AI data centres, has raised $125 million in an oversubscribed Series B funding round.

SUMMARY

  • Salience Labs raised $125 million in an oversubscribed Series B round.
  • The round was led by Bullhound Capital, with participation from AMD Ventures, Intel Capital and other investors.
  • The funding will support manufacturing expansion, product development and the rollout of its optical switching technology.

The company will use the funding to speed up the rollout of its optical switching technology and expand its manufacturing operations.

The funding round was led by Bullhound Capital, with investments from AMD Ventures, Intel Capital, SBI Group, Hudson River Trading and British Business Bank.

The company’s existing investors, including Applied Ventures, Oxford Science Enterprises, Cambridge Innovation Capital and Silicon Catalyst Ventures, also joined the round.

Explaining the importance of optical switching for AI data centres, Vaysh Kewada, CEO and co-founder of Salience Labs, said: "OCS will play a critical role in AI datacenter networking. As customers roll out optical links in their datacenters, high-performance optical switches are needed to deliver the token economics that workloads demand. Salience Labs has demonstrated a market-leading technology: a fully integrated on-chip solution that scales well to high-volume manufacturing."

The funding will help Salience Labs bring its optical switching technology to more AI data centres and expand its manufacturing operations.

The company will also invest in product development, including the creation of its next-generation optical switches.

In addition, Salience Labs plans to grow its engineering team to support product development and manufacturing.

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