Performance enhancement of an orbital-angular-momentum-based free-space optical communication link through beam divergence controlling.
Long LiGuodong XieYongxiong RenNisar AhmedHao HuangZhe ZhaoPeicheng LiaoMartin P. J. LaveryYan YanChangjing BaoZhe WangNima AshrafiSolyman AshrafiMoshe TurAlan E. WillnerPublished in: OFC (2015)