Lightspring
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 28 Oct 2026.
Besançon, Francewww.light-spring.com ↗
Total raised
€3.1M
€3,100,000
Funding rounds
1
Investors
6
distinct backers
Active since
2026-09
latest 2026-09
Funding by year
EUR raised per year · 2026 YTDLightspring — funding by year — interactive chart.
Data table
| Lightspring — funding by year | |
|---|---|
| 2026 | €3.1M |
Signals
High confidenceRaise-next likelihood18
base rate 44% for Seed
- ▼ Raised very recently
- ▼ Low backer re-investment
Timing: too soon vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
1 round| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2026-09-22 | Seed | €3.1M | Atlantic.vc,Business Angels,Concept Ventures,iXcore,Ovni Capital,Plug and Play | View deal → |
Investors
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