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Browsing by Author "Trichili, A"

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Digital holograms for laser mode multiplexing

Author: Mhlanga, T ; Trichili, A ; Dudley, Angela L ; Naidoo, Darryl ; Zghal, M ; Forbes, A Date: 02 Oct 2014 High-capacity data transmission has been implemented using single channel optical systems. This technique is limited and soon it will be unable to ful ll the growing needs for higher bit rate data transmission. Hence multi-mode transmission ... Read more
Encoding information using laguerre gaussian modes

Author: Trichili, A ; Dudley, Angela L ; Salem, AB ; Ndagano, B ; Zghal, M ; Forbes, A Date: Aug 2015 The authors experimentally demonstrate an information encoding protocol using the two degrees of freedom of Laguerre Gaussian modes having different radial and azimuthal components. A novel method, based on digital holography, for information ... Read more
Encoding information using Laguerre Gaussian modes over free space turbulence media

Author: Trichili, A ; Salem, AB ; Dudley, Angela L ; Zghal, M ; Forbes, A Date: Jul 2016 We experimentally demonstrate an efficient information transmission technique using Laguerre Gaussian (LG) modes. This technique is based on multiplexing and demultiplexing multiple LG modes with different azimuthal and radial components. At ... Read more
Free-space communication with over 100 spatial modes

Author: Rosales-Guzmán, C ; Trichili, A ; Dudley, Angela L ; Ndagano, B ; Salem, AB Date: Oct 2016 By combining both the azimuthal and radial components of Laguerre-Gaussian modes with wavelength division multiplexing, we generated >100 information channels. We implemented a laboratory free-space link using 35 Laguerre-Gaussian modes and ... Read more
Holographic toolkit for optical communication beyond orbital angular momentum

Author: Rosales-Guzman, C ; Trichili, A ; Dudley, Angela L ; Ndagano, B ; Salem, AB ; Zghal, Mourad ; Forbes, A Date: Sep 2016 Current optical communication technologies are predicted to face a bandwidth capacity limit in the near future. The nature of the limitation is fundamental rather than technological and is set by nonlinearities in optical fibers. One solution, ... Read more
Laguerre Gaussian beam multiplexing through turbulence

Author: Trichili, A ; Mhlanga, T ; Naidoo, Darryl ; Dudely, A ; Zghal, M ; Forbes, A Date: 17 Aug 2014 We analyze the effect of atmospheric turbulence on the propagation of multiplexed Laguerre Gaussian modes. We present a method to multiplex Laguerre Gaussian modes using digital holograms and decompose the resulting field after encountering ... Read more
Optical communication beyond orbital angular momentum

Author: Trichili, A ; Rosales-Guzmán, C ; Dudley, Angela L ; Ndagano, B ; Salem, AB ; Zghal, M ; Forbes, A Date: Jun 2016 Mode division multiplexing (MDM) is mooted as a technology to address future bandwidth issues, and has been successfully demonstrated in free space using spatial modes with orbital angular momentum (OAM). To further increase the data transmission ... Read more

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Browsing by Author "Trichili, A"

Browsing by Author "Trichili, A"

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