The importance of this patent is that it describes the layering of a wafer to produce the components that make up a POET chip. Clearly, this is highly complex and only decipherable, in any meaningful sense, to a handful of advanced engineers and reasearchers. The legal aspects of a patent are intended to prevent someone else coming along and copying this. It seems, as least to me, an essential precursor patent to establish legal protection before the announcement of a fully integrated POET chip to prevent copying.

The information given offers the layers required to produce the controlling features of both the electronic and optical aspects of an integrated chip including thyristors and transistors of various types and other components and their connections. There is reference to resonant cavities, mirrors and other aspects of the VCSELS and their controllers.

This patent application was submitted in June 2015 and the patent granted in September 2016; that is quick, perhaps implying a desire for speed; look back at the length others have taken. It may beg a question: who is pushing this? But, again, it may reflect the uniqueness of the POET concept and it was easy to grant the patent because there is no competition. This looks good to me. If this system works, we are awaiting confirmation, then this is truly a remarkable advancement on current technology. Remember, a single integrated chip, which controls light and electronic information, at top Silicion speeds and low electrical power consumption. No one else can do this and it reinforces the Geoff Taylor statement "all roads lead to POET" claim. I believe he is right and it appears to correspond to the announced timetables. We can await developments with some confidence

David