Lots of good info but this bit caught my attention:

Question: Can you share some of the background to what you are doing with Foxconn if you can?

Our engagement with Foxconn Interconnect is for them to use our engines to create modules for 800G and 1.6T. We are starting out with 800G DR8 which is one of the solutions they are excited about taking to market. But like I said, for us and them it's relatively seamless. Once you  make a commitment to using a POET optical engine the transition from DR8 to FR4 to linear pluggable optics is relatively more transparent, and that the same or largely the same module capabilities and design can work across all these different form factors. While it starts out as a focus of a specific product which is an 800G DR8 application we do expect that it's going to be proliferating from there into multiple form factors and speeds as well.