Wigner functionals and ghost imaging.
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Date
2023
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Abstract
This dissertation discusses Wigner functionals and an application, namely
ghost imaging. Wigner functionals aim to provide more accurate measurement
results due to the inclusion of all the degrees of freedom of light.
The main concepts discussed are spontaneous parametric down-conversion
(SPDC), the evolution equation for light through the SPDC crystal, the
probability distribution for the ghost image, conditional probability distribution,
and the point spread function. The ghost imaging calculation is done
for the rational thin crystal and extreme thin crystal limits.
It is shown that the probability distribution produced is the same for the
rational thin crystal and extreme thin crystal limits, and consequently, the
point spread function, and conditional probability distributions are the same.
Description
Masters Degree. University of KwaZulu-Natal, Durban.