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Browsing by Subject "Laguerre-Gaussian modes"

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Free-space communication with spatial modes of light

Author: Gailele, Lucas M ; Dudley, Angela L ; Forbes, A Date: Sep 2018 Current communication systems make use of polarization and wavelength multiplexing to increase transmission rates. To offer a further improvement, Orbital Angular Momentum (OAM) modes (or Laguerre-Gaussian modes) provide an infinite dimensional ... Read more
Generating higher-order radial Laguerre-Gaussian modes using a digital laser

Author: Bell, Teboho ; Ngcobo, Sandile ; Haddadi, S ; Ait-Ameur, K ; Forbes, A Date: Jul 2015 Using the digital laser one can generate various types of modes, like, Laguerre-Gaussian modes. The digital laser was forced to generate high-order radial Laguerre-Gaussian modes, LGp , with zero azimuthal order, by loading a digital hologram ... Read more
Generation of Laguerre-Gaussian Beams Using a Diode Pumped Solid-State Digital Laser

Author: Bell, Teboho ; Forbes, A ; Ngcobo, Sandile Date: Oct 2015 The solid state digital laser was used in generation of Laguerre-Gaussian modes, LGpl, of different orders. This work demonstrates that we can generate high-order Laguerre-Gaussian modes with high purity using a digital laser. 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
Projective measurements in quantum and classical optical systems

Author: Roux, FS ; Zhang, Y Date: Sep 2014 Experimental setups for the optical implementation of projective measurements in the Laguerre-Gaussian basis are discussed. Special attention is given to the case where the measurements are made with the aid of single-mode fibers that are ... Read more
The Wigner distribution function in modal characterisation

Author: Mredlana, Prince ; Naidoo, Darryl ; Mafusire, C ; Kruger, T ; Dudley, Angela L ; Forbes, A Date: Jul 2016 Optical field characterisation often requires various isolated experiments to obtain characterisation parameters, we investigate a novel approach to characterise an optical field employing a Wigner distribution function with a modal decomposition ... Read more

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Browsing by Subject "Laguerre-Gaussian modes"

Browsing by Subject "Laguerre-Gaussian modes"

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