Abstract
We derive the approximate photon counting distribution and its factorial moments of arbitrary order for the superposition of coherent and chaotic light of arbitrary spectrum and for arbitrary counting time intervals passing through the turbulent atmosphere or a Gaussian scattering medium; the frequency of coherent light and the mean frequency of chaotic light need not coincide. It is shown by discussion of numerical results for various levels of turbulence and various values of the parameterγ, which is the halfwidth of the Lorentzian spectrum of chaotic light multiplied by the detection time, that peaks of the photon counting distributions are decreasing (the distributions are broadening) with increasing level of turbulence, they are shifted to lower number of counts and values of the normalized factorial moments are rapidly increasing; these values tend to a limit given by the level of turbulence forγ→∞.
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Leninova 26, Olomouc, Czechoslovakia.
The authors thank Dr. Z. Braunerová of the Computer Centre of the Palacký University for performing the numerical calculations.
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Peřina, J., Peřinová, V. Photon counting statistics of the superposition of coherent and chaotic light of arbitrary spectrum passed through the turbulent atmosphere or a Gaussian medium. Czech J Phys 22, 1085–1094 (1972). https://doi.org/10.1007/BF01690124
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DOI: https://doi.org/10.1007/BF01690124