Title :
Performance enhancement of an orbital-angular-momentum-based free-space optical communication link through beam divergence controlling
Author :
Long Li ; Guodong Xie ; Yongxiong Ren ; Ahmed, Nisar ; Hao Huang ; Zhe Zhao ; Peicheng Liao ; Lavery, Martin P. J. ; Yan Yan ; Changjing Bao ; Zhe Wang ; Ashrafi, Nima ; Ashrafi, Solyman ; Tur, Moshe ; Willner, Alan E.
Author_Institution :
Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA
Abstract :
Using beam divergence controlling to mitigate angular error effects in OAM-based FSO links is investigated through simulation and experiment. Results show that controlling beam divergence allows reducing power loss and angular error induced channel crosstalk.
Keywords :
optical crosstalk; optical links; OAM-based FSO link; angular error effect mitigation; beam divergence control; channel crosstalk; orbital-angular- momentum-based free-space optical communication link; power loss reduction; Apertures; Laser beams; Lenses; Multiplexing; Optical beams; Optical transmitters; Receivers;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
