The French deeptech startup uses 3D lithography to manufacture optical interfaces directly on photonic chips, targeting a packaging process that accounts for around half of a photonic chip’s cost.
Lightspring has raised €3.1M across 1 funding round from 6 investors, most recently a Seed round in Sep 2026. Based in Besançon, France; active in Deeptech. Data as of 23 Sept 2026.
Timing: too soon vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.
| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2026-09-22 | Seed | €3.1M |
| Atlantic.vc,Business Angels,Concept Ventures,iXcore,Ovni Capital,Plug and Play Ventures |
| View deal → |
