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Experimental measurement of the self-healing of the spatially inhomogeneous states of polarization of radially and azimuthally polarized vector Bessel beams
Giovanni Milione, Angela Dudley, Thien An Nguyen +4
We experimentally measured the self-healing of the spatially inhomogeneous states of polarization of radial and azimuthal polarized vector Bessel beams. Radial and azimuthal polari…
Experimental orbital angular momentum based quantum key distribution through turbulence
Sandeep Goyal, Alpha Hamadou Ibrahim, Filippus S. Roux +2
Using an experimental setup that simulates a turbulent atmosphere, we study the secret key rate for quantum key distribution protocols in orbital angular momentum based free space…
Direct fiber excitation with a digitally controlled solid state laser source
Robert Bruning, Sandile Ngcobo, Michael Duparre +1
Mode division multiplexing has been mooted as a future technology to address the impending data crunch of existing fiber networks. Present demonstrations delineate the light source…
Detection of Bessel beams with digital axicons
Abderrahmen Trichili, Thandeka Mhlanga, Yaseera Ismail +4
We propose a simple method for the detection of Bessel beams with arbitrary radial and azimuthal indices, and then demonstrate it in an all-digital setup with a spatial light modul…
Angular acceleration with twisted light
Christian Schulze, Filippus S. Roux, Angela Dudley +3
There is significant interest in tailoring wave packets that transversely accelerate during propagation. The first realisation was in the optical domain, the Airy beam. Valid in th…
Higher-dimensional orbital angular momentum based quantum key distribution with mutually unbiased bases
Mhlambululi Mafu, Angela Dudley, Sandeep Goyal +7
We present an experimental study of higher-dimensional quantum key distribution protocols based on mutually unbiased bases, implemented by means of photons carrying orbital angular…