https://www.compoundsemiconductor.net/article/101191-ii-vi-epiworks-bigger-and-bolder.html
Interesting article about our friends II-VI and their aggressive approach to the VCSEL market. I can absolutely see why they may have tried to hinder poets progress. I find the below comment interesting.
"Foreign semiconductor companies are receiving strong financial backing from government or related entities, making them competitive from an equipment capacity standpoint, but in the end, the efficiency and output of the equipment is the key manufacturing differentiator, and it is our objective to stand apart with our leading epiwafer technology, facility and capacity," highlights Ahmari's colleague and fellow II-VI Epiworks co-founder, Quesnell Hartmann.