A new method of the real-time atmospheric turbulence modeling

Lylova, Anna; Kudryashov, Alexis; Sheldakova, Julia; Borsoni, G.

doi:10.1109/lo.2016.7549767

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…As polarization encoded single photon propagates in the turbulent atmosphere [10], it is inevitable to be influenced by the refractions of turbulence which will impede the transmission and fidelity of polarization state. The light will be curved due to the inconsistent refractive indexes inside and outside the turbulence [11,12]. And from the microscopic perspective, the s component and p component of polarization state will be changed.…”

Section: The Turbulence Bubble Modelmentioning

confidence: 99%

Free space quantum key distribution based on turbulence bubble model

Yang¹,

Ma²,

Shi³

et al. 2017

Proceedings of the 2017 7th International Conference on Advanced Design and Manufacturing Engineering (ICADME 2017)

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Aiming at the transmission of polarization encoded single photons in turbulent atmosphere, the random turbulence is modeled as atmospheric bubbles with various refractive indexes so as to conceive the propagation process of single photon using geometric optics. The fluctuation of photon transmission ratio k has been quantitatively calculated which is revealed as the relationship between transmission ratio and incident angle or turbulence scale. Based on that, the quantum bit error rate(QBER) and polarization fidelity of single photons are analyzed respectively which are both caused by the misalignment of polarization state after continuous refractions. Then the three dimensional relationship of k and polarization error rate Q are simulated with random incident angle or turbulence scale.

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Section: The Turbulence Bubble Modelmentioning

confidence: 99%

Free space quantum key distribution based on turbulence bubble model

Yang¹,

Ma²,

Shi³

et al. 2017

Proceedings of the 2017 7th International Conference on Advanced Design and Manufacturing Engineering (ICADME 2017)

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show abstract

“…Although there are some experimental proposals for atmospheric turbulence chambers, they present important limitations and trade-offs such as 1) static or sometimes dynamic design with reduced configuration parameters, 2) reduced limit of emulated link distances, and 3) re-duced control of atmospheric turbulence levels, among others [9,10]. Several mathematical algorithms simulate the effects of atmospheric turbulence over an optical field [11][12][13][14]. However, to the best of our knowledge, such algorithms do not determine the actual received optical power (measured in Watts) for the different possible regimes of atmospheric turbulence based on characteristics of physical devices.…”

Section: Introductionmentioning

confidence: 99%

Statistical evaluation of the performance of free-space-optical link affected by optical turbulence with gamma-gamma distribution through time series generated by simulation

et al. 2021

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In this article, the statistical evaluation of the performance of FSO links subject to dynamic fluctuations of atmospheric optical turbulence that affect the instantaneous value of the received optical power is presented. We reproduce this temporal domain effect with time series generated by simulation considering the optical turbulence as a stochastic process with Gamma-Gamma probability distribution. Also, a phase screen was used in order to observe the impact that optical turbulence has over the optical information field's spatial phase. With our simulations, it is possible to get the two most essential performance parameters required for the practical implementation of FSO links. We obtained the mean signal-to-noise ratio (SNR) and the mean bit error rate (BER) of FSO links affected by optical turbulence with Gamma-Gamma distribution. The methodology presented in this paper may be readily used to design and implement real-world FSO links.

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A new method of the real-time atmospheric turbulence modeling

Cited by 2 publications

References 2 publications

Free space quantum key distribution based on turbulence bubble model

Free space quantum key distribution based on turbulence bubble model

Statistical evaluation of the performance of free-space-optical link affected by optical turbulence with gamma-gamma distribution through time series generated by simulation

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