Brings the future closer by turning your ideas into reality.

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CORNERSTONE is an open source, license free silicon photonics rapid prototyping foundry. We offer a plethora of different platforms to support a wide range of applications ranging from telecoms to sensing, LiDAR, quantum and more. Each platform possesses a standard component library to lower the barrier to entry for non-photonics experts. We will gladly experiment and try new things for the benefit of our users. This flexible approach helps us to support early stage R&D projects and successfully fabricate proof of concept prototypes.

Live MPW Calls

MPW #35 – 220 nm SOI

Sign-up by Friday 26th January 2024

SiN MPW #7

Sign-up deadline passed

Our Services

  • Multi-project-wafer (MPW) services on a variety of platforms
  • Deep-UV projection lithography service
  • Bespoke fabrication batches with a tape-out date to suit your requirements
  • Electronic-photonic integration via flip-chip bonding
  • Design consultancy
  • Training courses
  • Research and development

The CORNERSTONE team prides 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.

MPW Sign Up

Complete this form to participate in any upcoming CORNERSTONE MPW batch.


Signing up for an MPW run couldn’t be easier.

Submit your design

Complete the design submission form here.

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To stay up to date with the latest MPW runs and news from CORNERSTONE, follow us on LinkedIn. 

Meet the Team

Our diverse team are experts in silicon photonics and cutting-edge technologies.

Latest news

Keep up to date with the latest news from CORNERSTONE.

Innovate UK feasibility study project

Wave Photonics leads £500k Innovate UK feasibility study project to create photonics chips for trapped ion quantum computers.

Build Your Own Chip Demo Centre

Step into our cleanrooms on Monday 22nd April 2024 and witness the fabrication of a chip

“CORNERSTONE has been integral to my spin-out journey as I transform optical fibre-based inertial sensors into miniature chip-scale devices for the first time. From the design phase through to chip-testing, CORNERSTONE have offered advice throughout, supporting me as both an early career researcher and now as an entrepreneur.”

Dr Ying Lia Li
CEO, Zero Point Motion Ltd

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