Verified Nov 2026
Electronics & Software
·
Mountain View, California
·
Since 2017
Lightmatter is a photonics company that develops silicon photonics interconnects, lasers, and photonic processors for AI and high-performance computing infrastructure. It is headquartered in Mountain View, California, was founded in 2017, and has an estimated 200-500 employees and an estimated revenue band of $100-250 million. The company is privately held and serves automotive, electronics, electric-vehicle, renewable-energy, and industrial equipment markets. In September 2026, it joined the Open CPX multi-source agreement and introduced a bidirectional CPX optical engine.
Lightmatter at a glance
Revenue
$100-250M
Est. band
Employees
200-500
Founded
2017
Headquarters
Mountain View, California
Industries
Automotive
Electric Vehicles
Electronics
Plumbing & Hardware
Renewable Energy
Industrial Equipment
Overview
Lightmatter is a photonics company that develops silicon photonics interconnects, lasers, and photonic processors for AI and high-performance computing infrastructure. It is headquartered in Mountain View, California, was founded in 2017, and has an estimated 200-500 employees and an estimated revenue band of $100-250 million. The company is privately held and serves automotive, electronics, electric-vehicle, renewable-energy, and industrial equipment markets. In September 2026, it joined the Open CPX multi-source agreement and introduced a bidirectional CPX optical engine.
At a glance
Attribute | Detail |
|---|---|
Founded | 2017 |
Headquarters | Mountain View, California |
Employees | 200-500 |
Revenue | $100-250M (estimated) |
Primary capability | Electronics & Software |
What Lightmatter makes
The company offers the Passage optical interconnect platform, the Envise AI photonic processor, and the Idiom light engine module, and lists product lines including connectors, PCBs, assemblies, and semiconductors.
Products and capabilities described on the company's own site include Connector, PCB, Assembly, Semiconductor, Forged, Electronics (source: lightmatter.co).
Latest developments
2026-10-12 — Lightmatter Delivers Open Rack CPO Switch and XPU Scale-Up Server Through Independent Collaborations with Flex and Other Industry Partners - Lightmatter® (lightmatter.com)
2026-09-17 — Lightmatter Joins Open CPX MSA, Introduces the Industry’s First Bidirectional CPX Optical Engine - Lightmatter® (lightmatter.co)
2026-08-13 — Industry Leaders Formally Launch CPO System Architecture Initiative Within the Open Compute Project - Lightmatter® (lightmatter.co)
2026-06-03 — Lightmatter Joins NVIDIA NVLink Fusion and Powers Next-Generation AI Infrastructure with Photonic Interconnects - Lightmatter® (lightmatter.co)
2026-03-11 — Lightmatter Expands Photonic Interconnect Roadmap with Passage™ L20 Unified Optical Engine for NPO and OBO Applications - Lightmatter® (lightmatter.co)
2026-01-27 — Lightmatter and GUC Partner to Produce Co-Packaged Optics (CPO) Solutions for AI Hyperscalers - Lightmatter® (lightmatter.co)
Company details
The company has reported raising $850 million in funding at a valuation of $4.4 billion, and it is a member of the NVIDIA NVLink Fusion ecosystem. Lightmatter was founded in 2017, has an estimated 200-500 employees, and is headquartered in Mountain View, California.
Frequently asked questions
What does Lightmatter make?
Lightmatter is a photonics company that develops silicon photonics interconnects, lasers, and photonic processors for AI and high-performance computing infrastructure. It is headquartered in Mountain View, California, was founded in 2017, and has an estimated 200-500 employees and an estimated revenue band of $100-250 million. The company is privately held and serves automotive, electronics, electric-vehicle, renewable-energy, and industrial equipment markets. In September 2026, it joined the Open CPX multi-source agreement and introduced a bidirectional CPX optical engine.
Where is Lightmatter headquartered?
Lightmatter is headquartered in Mountain View, California (800 West El Camino Real, Mountain View, California, 94040).
When was Lightmatter founded?
Lightmatter was founded in 2017.
How big is Lightmatter?
Lightmatter has an estimated 200-500 employees, with revenue in the $100-250M range (estimated).
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Last verified Nov 2026. Is this your company? Request a correction.
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