CORNERSTONE

We make cutting-edge technology more open and available to improve everyday life.

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CORNERSTONE is an open source, license free silicon photonics rapid prototyping foundry.

We offer seven photonics technology platforms to accommodate a broad spectrum of applications, including telecoms, sensing, LiDAR, quantum, and more. Each platform features a standard component library, helping to lower entry barriers and foster innovation by allowing engineers to focus on their applications. Our unique approach allows us to assist in the development of early-stage R&D projects and build proof-of-concept prototypes, helping to drive silicon photonics innovation.

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Discover how organisations and researchers are using CORNERSTONE Photonics Innovation Centre’s open-access capabilities to push the boundaries of silicon photonics. Explore success stories, technical journeys, and collaborative projects that illustrate the value of rapid prototyping and the impact of silicon photonics on emerging technologies.

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MPW #48 220 nm SOI Passive

The sign-up deadline has now passed. The design submission deadline is 13th May 2026.

MPW #49 340nm SOI Passive

The sign-up deadline has now passed. The design submission deadline is 13th May 2026.

Our Services

We pride ourselves on the level of service and personal touch provided to our users.

We offer flexibility in our process flows with a fast turnaround time.

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“Iteration speed is probably one of the main challenges in silicon photonics (or even nanotechnology at all) innovation. InSpek’s ability to iterate quickly in the early days were largely due to Cornerstone MPW’s affordability and fast turnaround.”

Jérôme Michon
CEO, inSpek