Statistical properties of a Laguerre-Gaussian Schell-model beam in turbulent atmosphere | Zendy

Rong Chen | Zendy; Lin Liu | Zendy; Shijun Zhu | Zendy; Gaofeng Wu | Zendy; Fei Wang | Zendy; Yangjian Cai | Zendy

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Statistical properties of a Laguerre-Gaussian Schell-model beam in turbulent atmosphere

Author(s) -

Rong Chen,

Lin Liu,

Shijun Zhu,

Gaofeng Wu,

Fei Wang,

Yangjian Cai

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.001871

Subject(s) - physics , optics , beam (structure) , turbulence , m squared , atmosphere (unit) , coherence (philosophical gambling strategy) , laguerre polynomials , atmospheric optics , laser beam quality , gaussian , computational physics , meteorology , quantum mechanics , laser beams , laser

Laguerre-Gaussian Schell-model (LGSM) beam was proposed in theory [Opt. Lett.38, 91 (2013 Opt. Lett.38, 1814 (2013)] just recently. In this paper, we study the propagation of a LGSM beam in turbulent atmosphere. Analytical expressions for the cross-spectral density and the second-order moments of the Wigner distribution function of a LGSM beam in turbulent atmosphere are derived. The statistical properties, such as the degree of coherence and the propagation factor, of a LGSM beam in turbulent atmosphere are studied in detail. It is found that a LGSM beam with larger mode order n is less affected by turbulence than a LGSM beam with smaller mode order n or a GSM beam under certain condition, which will be useful in free-space optical communications.

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