sugarmaple: Here is ADVA's 3-year project that they have just completed and it screams of POET inside: …

I am sorry, but I don't think that this has POET inside. Indications:

• The names of the project partners are given, and POET is not among them.
• Project partner IHP, not POET, is the developer of the technology platform.
• That platform offers monolithic integration of electronics and photonics, while the POET Optical Interposer platform is about heterogeneous integration.

Putting the champagne back in the cooler …