4 ms·

I should have Googled before I spoke, Orbital Angular Momentum, very interesting... http://lup.lub.lu.se/luur/download?func=downloadFile&recordOId=2062936&fileO

• amirhirsch 13y ago
  There's some debate about whether OAM demonstrations are just MIMO, and some suggestions that the eigenmodes are equivalent. Either way, there will be regulatory hurdles to more efficiently using the spectrum. I like the perspective put forward in this post: http://www.reed.com/blog-dpr/?page_id=117 http://www.reed.com/blog-dpr/?page_id=117