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Cailabs

French photonics technology company based in Rennes that builds optical ground systems for laser communications.

Last updated September 15, 2026

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Overview

Cailabs is a French photonics technology company based in Rennes. Since 2013 it has worked on mastering and shaping laser light, applying photonics and engineering knowledge to create laser light products for various industries. Its current focus is optical ground systems for laser communications: it builds the ground systems intended to make laser communications deployable, including Optical Ground Stations and Line-of-Sight Optical Terminals, delivering infrastructure-grade optical connectivity at 10+ Gbps with an upgrade to 100 Gbps available. Beyond laser communications, Cailabs applies its light-shaping expertise to industrial laser processing.

History

Cailabs describes itself as mastering and shaping the future of light since 2013. Its stated mission is to master laser light, leveraging knowledge in photonics and engineering to create innovative laser light products for various industries that bring faster, safer, more reliable and precise solutions. The company is a French photonics technology company based in Rennes. Its current commercial focus is optical ground systems for laser communications: it builds the ground systems that make laser communications deployable, and states that the next bottleneck is on the ground, as satellite and defense networks move toward higher-capacity, lower-signature optical links. Cailabs engineers ground systems for real-world deployment, integration into existing networks, remote operation and scalable rollouts, aiming to make laser communications reliable and taskable on-demand, as routine as radio rather than one-shot demonstrations. It delivers infrastructure-grade optical connectivity at 10+ Gbps, fully compatible with existing standards and terminals, and offers Optical Ground Stations and Line-of-Sight Optical Terminals. Beyond laser communications, Cailabs applies its light-shaping expertise to industrial laser processing.

Products and positioning

Infrastructure-grade optical connectivity for laser communications, engineered for real-world deployment, integration into existing networks, remote operation and scalable rollouts.

  • Optical Ground Stations (OGS)

    Ground systems for laser communications, offered as OGS as a Service by Cailabs.

  • Line-of-Sight Optical Terminals (LOS)

    Optical terminals listed alongside Optical Ground Stations in Cailabs' laser communications offering.

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