We demonstrate the feasibility of multi-channel orbital-angular-momentum (OAM)-based laser communication by transmitting and detecting three coaxial channels, individually modulated at 100 Mb/s using OOK. Selection of OAM states and channel crosstalk are discussed.
© 2012 OSA
(060.4230) Fiber optics and optical communications : Multiplexing
(060.2605) Fiber optics and optical communications : Free-space optical communication
(050.4865) Diffraction and gratings : Optical vortices
J. A. Anguita and C. Quezada, "Demonstration of orbital-angular-momentum-based multiple-channel free-space communication," in Latin America Optics and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2012), paper LM4C.5.
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