• A spiral waveguide
  • A photonic chip integrated to a PCB
  • Coupling light into a spiral waveguide
  • A wide-band MMI

LIVE: Third MPW Call

The third CORNERSTONE MPW call is now live. Click here for design rules and general guidelines.

The deadline for mask submission is Friday 28th July.


There are three UK academic institutions involved as capability providers:

University of Southampton (wafer-scale processing)
University of Glasgow (chip-level processing)
University of Surrey (ion implantation)


Welcome to the CORNERSTONE website, where you can find information about the project, its capabilities and upcoming multi-project wafer calls. If you are interested in participating in the project, you can find the technical information here. Alternatively you can email us at This email address is being protected from spambots. You need JavaScript enabled to view it..