| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Effects of Strong Turbulence on the Spiral Plane Mode of Whittaker–Gaussian Beam through Terrene-Atmosphere |
| Ye Li1, Yi-Xin Zhang1,2** |
1School of Science, Jiangnan University, Wuxi 214122
2School of Internet of Things, Jiangnan University, Wuxi 214122
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| Cite this article: |
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Ye Li, Yi-Xin Zhang 2016 Chin. Phys. Lett. 33 054205 |
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Abstract The analytic formulae of probability distribution of spiral plane modes for the Whittaker–Gaussian (WG) beams with orbital angular momentum (OAM) in strong turbulence regime are modeled based on the modified Rytov approximation. Numerical results show that the crosstalk range of OAM modes in the vicinity of signal mode increases with the increasing refractive-index construction parameter. However, effects of change of the width of the Gaussian envelope and the parameter ${W_0}$ of WG beams on normalization energy weight of signal mode can be ignored. We find theoretically that signal spiral plane mode of WG beams at each OAM level approximatively has the same normalization energy weight, implying that the channels with WG (pseudo non-diffraction) beam have higher channel capacity than the channels with the Laguerre–Gaussian beam.
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Received: 18 January 2016
Published: 31 May 2016
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| PACS: |
42.25.Dd
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(Wave propagation in random media)
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42.50.Tx
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(Optical angular momentum and its quantum aspects)
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42.68.Bz
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(Atmospheric turbulence effects)
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