1. Design challenges and guidelines for free-space optical communication links using orbital-angular-momentum multiplexing of multiple beams. (14th June 2016) Authors: Willner, Alan E; Xie, Guodong; Li, Long; Ren, Yongxiong; Yan, Yan; Ahmed, Nisar; Zhao, Zhe; Wang, Zhe; Liu, Cong; Willner, Asher J; Ashrafi, Nima; Ashrafi, Solyman; Tur, Moshe; Molisch, Andreas F Journal: Journal of optics Issue: Volume 18:Number 7(2016:Jul.) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗