Organization
Lightmatter
Chip designer · Hardware manufacturer · Mountain View, California
Lightmatter develops silicon photonics for AI infrastructure. Its Passage family covers optical interconnects in co-packaged, near-packaged, and on-board form factors, plus a photonic interposer reference platform, and its Guide light engine is a laser source for co-packaged optics. It says Passage and Guide are available to early-access partners.15
Using this organization’s offerings
The detailed audience, self-hosting, pricing, and restrictions review has not yet been completed. Consult the sourced product records below and the publisher’s current terms. Missing detail means unknown, not unavailable.
Key facts
What is and isn’t public
No openness summary has been written for this organization yet.
Products
No hosted model products are recorded for this organization.
Other products
| Product | Kind | Documented delivery and access | Reviewed |
|---|---|---|---|
| Passage L200 (external site: lightmatter.co) | Hardware | 3D co-packaged optics that stack a photonic IC beneath the electronic IC so optical I/O can be placed across the die surface, in L200 and higher-bandwidth L200X variants; offered through design partnerships.6 | Oct 1, 2026 |
| Passage L20 (external site: lightmatter.co) | Hardware | Bidirectional optical interconnect modules for near-packaged optics (NPO) and on-board optics (OBO), placed on the host board near a switch or accelerator ASIC; specifications are available on request.7 | Oct 1, 2026 |
| Passage M1000 evaluation kit (external site: lightmatter.co) | Hardware | Reference server platform built around the M1000 photonic interposer, on which I/O chiplets are 3D-stacked, offered as an evaluation kit on request.8 | Oct 1, 2026 |
| Guide light engine (external site: lightmatter.co) | Hardware | Very Large Scale Photonics (VLSP) light engine that integrates laser arrays into a module as an external light source for co-packaged optics, with software-defined control and telemetry.9 | Oct 1, 2026 |
Cataloged artifacts
No artifact records in this catalog list Lightmatter. That is not evidence that none exist — only that none have been reviewed here.
Open positions
68 recently confirmed positions in this catalog.
Last successful source check: Oct 2, 2026, 11:49 AM UTC
What this catalog does not know
- Openness: no summary has been assessed for this organization.
- Open artifacts: none from this organization are in the catalog yet.
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U.S. eligibility
Eligible · basis: U.S. headquarters
Lightmatter's about and contact pages list Mountain View, California (250 Bryant Street) as its headquarters, with further offices in Boston, Toronto, and Hsinchu. Its website terms of use identify the operator as Lightmatter, Inc. Older legal pages (terms effective 2022, privacy policy effective 2024) give Boston contact addresses; both cities are in the United States.1234
Sources
This listing is not an endorsement or a federal approval.