Overview
ESTEL is a European optical sub-assembly manufacturer dedicated to system providers for telecom and datacom applications. The company designs and manufactures optical transceivers with local technical support and European manufacturing, serving data centers, metro and long-haul links. Each transceiver undergoes comprehensive functional and optical testing before leaving European facilities.
Leadership & org chart
In the news
- Ever wondered what ESTEL engineers get up to in our Stockholm R&D lab? Here’s an exclusive glimpse into some of our engineering activities. From in-house electronics and mechanical design to CNC prototyping, optical microalignment and temperature testing, our team moves between designing, building, measuring and refining. Swipe through to see some of that work in action. → #ESTEL #Engineering #ResearchAndDevelopment #Photonics #ElectronicsDesign #RnD #Transcievers
- At ESTEL, we’re building the optical connectivity for the future of telecommunications, aerospace, HPC, defence and data centre interconnect. Each industry has different optical requirements; from speed, reach and performance to compliance, supply-chain needs and application-specific designs. Combining industrial expertise with European engineering and manufacturing, we deliver optical transceivers and custom ODM solutions. Our expert R&D team brings full design capability across optics, electronics, mechanics and
- Following the announcement of ESTEL joining the PhotonDelta Global Partner Network, our CEO, Philippe Bolle, is proud to be invited to the exclusive PhotonDelta PIC Industry Executive Forum taking place next week on the 2nd November in Eindhoven. The Executive Forum is where we start building a shared vision for the European integrated photonics industry towards 2035, with this year's central theme being the transition from technology development to market adoption. Europe has taken real steps to strengthen its position in
- ESTEL is #hiring for a software engineer position based in Málaga, Spain. ESTEL is a fast-growing European manufacturer and developer of high-performance optical transceivers. We are looking for a Software Engineer to develop, maintain and improve software for automated testing and manufacturing of high-speed optical transceivers. Your primary focus will be test automation, equipment integration and reliable production data. Working alongside test, optical, R&D and operations specialists, you will also contribute to prioritised
- We are super proud to announce that ESTEL is joining the PhotonDelta Global Partner Network. PhotonDelta brings together organisations that design, develop, and manufacture innovative solutions based on integrated photonic technology. For ESTEL, this is an opportunity to connect our expertise in optical transceivers with the wider integrated photonics community, exchange knowledge, and explore collaborations. We look forward to meeting fellow partners and building new connections across the network. #ESTEL #PhotonDelta #Photonics
- Alex, our Director of Business Development will be at NVIDIA GTC in Berlin this week. Connect with us there and let's talk optical connectivity for #AI, #HPC, and #datacentres, and explore what we can build together with #transceivers designed and manufactured in Europe. #NVIDIAGTC #OpticalConnectivity #EuropeSovereignty
- ESTEL is heading to Data Centre Expo Europe in Amsterdam next week. We at #ESTEL are dedicated to designing and manufacturing cutting-edge #opticaltransceivers in Europe, which comply with EU cybersecurity (CRA) and EU sourcing directives. We are unleashing the power of high-speed optical communication for critical applications such as supercomputers, HPC & DCI Connect with us and Alex Schwarze there. #DataCentreExpo #OpticalConnectivity #AI #HPC #DCI
- ESTEL is proud to sponsor the symposium marking 20 years of the joint Ghent University–Vrije Universiteit Brussel MSc Photonics programme, taking place on 19-20 October 2026, titled “Advancing Excellence in Photonics for Flanders and the World”, celebrating 20 years of photonics talent and innovation. Over two decades, the programme has educated more than 500 photonics experts, connecting research and industry through a global community of graduates. Last year, we had the pleasure of welcoming the 2025 cohort of MSc Photonics
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