Good to see that others are diving in to the market that POET has been making headway in. I note that they do not mention a path to 3.2T and beyond. The specs for their 1.6T product... I'll guess they aren't as good as POET.
One never wants to be the only one forging ahead on a path, just be early, better, and have other tricks up your sleeve (3.2T, 6.4T).