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Lightmatter

Mountain View, US · founded 2017
L2 · Silicon, Memory & Packaging
networking siliconstartupprivateseries C+
Optics & interconnect

Lightmatter develops optical compute chips and co-packaged photonic interconnect solutions for hyperscale datacenter arrays. Their Envise compute system and Passage interconnect fabric leverage light signals to bypass traditional copper limits.

Ecosystem functionSilicon photonics developer providing photonic compute and in-package optical routing platforms.

Business modelPhotonic compute and interconnect sales

Revenue—
Valuation$4.4Breported
Last round$400.0Mled by T. Rowe Price Associates · 2024
Sources · 4 ↓
  1. https://newmarketpitch.com/blogs/news/ai-chip-top-startups-fundraising
  2. https://valueaddvc.com/ai-chip-startups
  3. https://www.bloomberg.com/news/articles/2024-10-16/photonic-computing-startup-lightmatter-reaches-4-4-billion-valuation
  4. https://www.businesswire.com/news/home/20241016498931/en/Lightmatter-Raises-$400M-Series-D-Quadruples-Valuation-to-$4.4B-as-Phot
Suggest an editLast verified 2026-07-26
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