Here is news item dated December 2017 where AYAR and GFS announce collaboration etc.

https://ayarlabs.com/globalfoundries-and-ayar-labs-establish-strategic-collaboration-to-speed-up-data-center-applications/

Excerpt

“The Ayar Labs team has been designing cutting-edge silicon photonics components on GF’s technology for the past eight years and has achieved exceptional results,” said Mike Cadigan, senior vice president of global sales and business development at GF. “Our strategic collaboration builds on our relationship, leveraging GF’s silicon photonics IP portfolio and our world-class manufacturing expertise to enable faster and more energy-efficient computing systems for data centers.”