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Manipulation of double-four-wave mixing in an atomic system under vortex-beam illumination
AbstractHere we study systematically the double-channel four-wave mixing (FWM) processing in an atomic medium by adjusting azimuthal and radial...
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Tricomi–Gauss beam and its propagation characteristics
Tricomi beams are structured light beams that belong to the general class of non-diffracting light beams. The cross-section of an ideal Tricomi beam...
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Partially coherent beam propagation in turbid tissue-like scattering medium
In this paper, we introduce a global power spectrum model describing the refractive index fluctuations in modelling turbulent biological tissue....
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Transformation of a vortex cosine-hyperbolic-Gaussian beam by an Airy transform optical system
This paper investigates the Airy transformation of a vortex cosine-hyperbolic-Gaussian beam (vChGB). The analytical expression for this beam passing...
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Analysis of light scattering of a Gaussian beam by a perfect electromagnetic conductor (PEMC) sphere
Electromagnetic scattering by a sphere is one of the most significant problem in electromagnetics as reported by the optical research community....
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Detecting the Topological Charge of Optical Vortex Beams Using a Focused Surface Plasmonic Beam Generator
Detecting the phase and polarization singularities of optical vortex (OV) beams is essential for integrated optical systems. So far, achieving the...
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Pilot-assisted beam and correlation to recover information through scattering media [Invited]
Propagation of light through a random scattering media is a challenging, yet a highly practical problem in numerous fields, such as in astronomy,...
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Laguerre fields strength and beam waist-dependent superluminal propagation of light pulse in atomic medium
We address the superluminal propagation of light in a four-level atomic medium. The superluminal propagation of the probe field is controlled and...
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Q-switched operation of dual-cavity Nd:YAG lasers
We report Q-switched operation of a dual-cavity Nd:YAG laser with a fundamental Gaussian TEM 00 mode, a first-order Laguerre–Gaussian mode, or a...
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Error analysis and optimization algorithm of focal shift on mode decomposition for few-mode fiber beam
Modal decomposition technology is an effective method to study the mode characteristics of laser beam in few-mode fibers. However, certain types of...
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Speckle Imaging of Annular Hermite Gaussian Laser Beam
The Fourier transform (FT) corresponding to the diffuser has a comb function realized from uniform illumination.
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Asymmetric impact of higher order diffraction on narrow beam dynamics in nonlocal nonlinear media
The present communication presents the asymmetric impact of different higher-order diffractions on the propagation dynamics, stability analysis, and...
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Mode Decomposition Method for Investigating the Nonlinear Dynamics of a Multimode Beam
AbstractWe overview our recent experimental studies on the nonlinear spatial resha** of multimode beams at the output of multimode optical fibers....
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Imbert–Fedorov shift of a Gaussian beam reflected from a dielectric/air interface and an air/epsilon-near-zero material interface
In this work, the Imbert–Fedorov (IF) shift of an optical beam with a Gaussian profile reflected from a dielectric/air interface and an...
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Enabling 6G high spectral efficiency of PDM-OAM over FSOC channel model with weather condition effects in Iraq
This paper investigates a novel integration of hybrid polarization-division-multiplexing (PDM) with orbital-angular-momentum (OAM) multiplexing. Six...
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Laser Micro- and Nanostructuring for Refractive Eye Surgery
Every year, more than a million refractive eye operations using femtosecond (fs) laser procedures are performed, and yet the cutting process in...
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Optimized attention neural network based joint link misalignment and beam divergence power optimization for underwater optical wireless communications
Underwater Wireless Optical Communication (UWOC) offers a promising alternative to acoustic transmission methods, boasting reduced latency, increased...
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Atmospheric turbulent effects on the propagation properties of a general model vortex higher-order Cosh-Gaussian beam
The propagation properties for a General Model vortex Higher-order Cosh-Gaussian beam (GMvHchGB) propagating in a turbulent atmosphere are studied in...
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Azimuthal dependence of electromagnetically induced grating in a double V-type atomic system near a plasmonic nanostructure
We conduct theoretical and numerical studies of the performance of a 2D electromagnetically induced grating in a 4-level quantum system, which is...
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Scattering of vector Lommel beam by spherical particle in generalized Lorenz–Mie theory
Vector Lommel beams are a class of non-diffracting laser beams, characterized by their ability to propagate without any changes in their intensity...
