Results 1 to 10 of about 3,876 (302)

Passive Continuous Variable Quantum Key Distribution through the Oceanic Turbulence [PDF]

open access: yesEntropy, 2023
Continuous variable quantum key distribution (CVQKD) can be potentially implemented through seawater channels, whereas the involved oceanic turbulence has a negative effect on the maximal transmission distance of quantum communication systems.
Yiwu Zhu, Lei Mao, Hui Hu, Yijun Wang
doaj   +3 more sources

Bi-Photon Entangled Airy Beams through Unstable Oceanic Turbulence

open access: yesJournal of Marine Science and Engineering, 2022
Orbital angular momentum (OAM) carried by bi-photon entangled Airy beams in unstable oceanic turbulence is theoretically investigated. The analytical expression of the spatial coherence radius of a spherical wave in the unstable stratification oceanic ...
Donghui Yang   +4 more
doaj   +2 more sources

Beam intensity and spectral coherence of Hermite-cosine-Gaussian rectangular multi-Gaussian correlated Schell-model beam in oceanic turbulence [PDF]

open access: yesHeliyon, 2023
The beam spreading and evolution behavior of a partially coherent, Hermite-cosine-Gaussian (HcosG) rectangular multi-Gaussian correlated Schell-model beam propagating in oceanic turbulence is studied. Analytical expressions for the cross-spectral density
Xu Wu, Chuang Wang, Yuhui Kong, Kenan Wu
doaj   +2 more sources

Radially Phased-Locked Hermite–Gaussian Correlated Beam Array and Its Properties in Oceanic Turbulence

open access: yesPhotonics, 2023
The descriptions of a radially phased-locked Hermite–Gaussian correlated beam array are introduced, the equation of this beam array in oceanic turbulence is derived, and the intensity profiles of this beam array are shown and analyzed.
Peiying Zhu   +5 more
doaj   +2 more sources

Research on Hypergeometric-Gaussian Vortex Beam Propagating under Oceanic Turbulence by Theoretical Derivation and Numerical Simulation

open access: yesJournal of Marine Science and Engineering, 2021
In this paper, we use two methods to research the propagation characteristics of a Hypergeometric-Gaussian (HyGG) vortex beam under oceanic turbulence. One is numerical calculation based on the Rytov approximation theory, where the theoretical detection ...
Xinguang Wang, Le Wang, Shengmei Zhao
doaj   +2 more sources

Effect of oceanic turbulence on the statistical features of electromagnetic optical beam

open access: yesResults in Physics
This work deals with the intricate problem of electromagnetic optical beam propagation through oceanic turbulence. Using the extended Huygens–Fresnel principle, numerically, the behavior of the degree of cross-polarization (DOCP), electromagnetic degree ...
Hemant Kumar Singh   +2 more
doaj   +2 more sources

Propagations of Sin-Gaussian Beam with Astigmatism through Oceanic Turbulence [PDF]

open access: yesE3S Web of Conferences, 2021
The propagation behaviours of a sin-Gaussian beam (SiGB) with astigmatism in oceanic water is analysed. The analytical expressions for the average intensity of such a beam are derived by using the extended Huygens-Fresnel integral.
Zhu Kaicheng   +4 more
doaj   +2 more sources

Investigation of Oceanic Turbulence Random Phase Screen Generation Methods for UWOC

open access: yesPhotonics, 2023
Underwater wireless optical communication (UWOC) has recently gained great research interest due to its capability of transmitting data underwater with high data rate and low latency.
Ruixian Jiang   +3 more
doaj   +2 more sources

Propagation Characteristics of Rectangular Hermite-Gaussian Array Beams Through Oceanic and Atmospheric Turbulence

open access: yesIEEE Photonics Journal, 2023
This study investigates the propagation characteristics of rectangular Hermite-Gaussian array beams (RHGABs) through the oceanic and atmospheric turbulence considering ocean waves.
Hao Du   +7 more
doaj   +2 more sources

Performance of RSMA-Based UOWC Systems Over Oceanic Turbulence Channel With Pointing Errors

open access: yesIEEE Open Journal of the Communications Society
Underwater optical wireless communication (UOWC) systems face significant challenges due to oceanic turbulence and pointing errors (PE), which can degrade system performance. Moreover, interference is another challenge in UOWC, considering the consistent
Ziyaur Rahman   +2 more
doaj   +2 more sources

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