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Lightspring raises €3.5M to tackle photonic chip manufacturing bottleneck, led by Atlantic and OVNI Capital, with additional participation. The funding will enhance their innovative optical interface manufacturing capabilities.

PRIVATESep 22, 2026about 3 hours ago

Amount Raised

€3.1 Million

Round Type

€3.1 million seed round

FranceManufacturing

Investors

Plug And Play VenturesIxcoreConcept VenturesOvni CapitalAtlantic

Description

French company Lightspring announced the close of a €3.1 million seed round led by Atlantic and OVNI Capital, with participation from Concept Ventures, Ixcore, Plug and Play Ventures, and industry business angels. The funding aims to tackle challenges in photonic chip manufacturing bottlenecks by advancing their optical interface solutions. Lightspring focuses on integrating optical packaging with 3D lithography technology to improve efficiency and reduce costs in photonic integrated circuits. This funding will support Lightspring's mission to industrialize optical packaging processes.

Company Information

Company

Lightspring

Location

France

About

Lightspring is a French company specializing in the design and manufacture of optical interfaces for photonic integrated circuits. The company uses 3D lithography to create optical coupling structures directly on chips, transforming photonic packaging into a programmable manufacturing process. Their technology aims to reduce costs and enhance the efficiency of photonic chip manufacturing, which is critical for scaling AI infrastructure.

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Funding Insights

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VC-backed spending patterns
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Lightspring raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include FundzWatch™ for automated website change detection, Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 285,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.