And just a little bit more on Luxshare Tech
https://www.luxshare-ict.com/en/news/events/164.html
Aint anythin about about FR4 products. But Suresh just recently stated that POET can do both FR and DR :)
Also :
https://www.prnewswire.com/news-releases/luxshare-tech-preview-for-ofc-2024-800g-lro-enhances-interconnect-compatibility-302097885.html
The DSP linear integration for LRO was done with their partner CREDO (cough, cough) and sampling and demo was being performed on ARISTA's switches (cough, cough).
Enough said, Go LUXSHARE TECH