The coherent propagation and detection of multiple coaxial beams carrying distinct orbital angular momentum states is experimentally demonstrated. High-contrast detection is obtained to demonstrate the applicability to free-space laser communications
© 2012 OSA
(060.2605) Fiber optics and optical communications : Free-space optical communication
(050.4865) Diffraction and gratings : Optical vortices
(070.6120) Fourier optics and signal processing : Spatial light modulators
J. A. Anguita, J. Herreros, and J. E. Cisternas, "Generation and detection of multiple coaxial vortex beams for free-space optical communications," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optical Society of America, 2012), paper JTu2K.5.
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