That someone that was part of Poet...now seems to have his own Optical Interposer if i understand correctly.....and whats different about their optical interposer compared to ours...and on their website in NEWS....i dont see any mention of even using anything POET

.But, as you’d expect, the barrier to entry for this kind of thing is pretty high. To extract the maximum bandwidth offered by Celestial’s Photonic Fabric means designing your chips with the company’s optical interposer or OMIB in mind. According to Lazovsky, this essentially entails replacing your existing PHYs with its own tech.