Maximizing Young's fringe visibility under unitary transformations for mean-square coherent light.
Given the values of the degree of polarization of the fields at the pinholes in a Young interferometer, the maximum attainable visibility under unitary transformations is determined when the illuminating beam is mean-square light. Analytical expressions are also obtained for both the field vector (in the mean-square sense) and the cross-spectral density matrix associated with this kind of beams. A comparative summary is also provided of the main characteristics of well-known types of random electromagnetic fields frequently handled in the literature.
Martínez-Herrero
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Universidad Complutense de Madrid, 28040-Madrid, Spain.
Mejias
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PM