{"data":{"slug":"lightmatter","etype":"company","name":"Lightmatter","cat":"Networking","subtitle":"Photonic interconnect — moving light into the chip package itself.","summary":"Lightmatter builds photonic interconnect for AI clusters: its Passage platform is a photonic interposer that chips sit on directly, replacing electrical I/O with light at the package boundary. A 2024 round valued it at a reported ~$4.4B — the best-funded bet that the next bandwidth wall after copper will be broken inside the package, not at the switch.","attrs":null,"kf":{"hq":"Mountain View, US"},"aliases":["Passage"],"ticker":null,"exchange":null,"hq":"Mountain View, California","founded":"2017","website":"https://lightmatter.co","status":null,"region":null,"asof":"2026-01-15","sources":[{"url":"https://lightmatter.co/","label":"Lightmatter"}]},"meta":{"found":true,"count":1,"served_from":"site cache (no live upstream calls)","as_of":"2026-10-14T10:38:19+00:00","disclaimer":"Research and information only — not investment advice. Structured records carry basis labels (vendor spec / reported / estimate); market quotes are delayed/indicative.","attribution":"Records compiled from vendor documentation, official filings and reputable public reporting; market quotes via financial data providers. See /data-sources."}}