Results 271 to 280 of about 2,790,274 (339)
Advanced Materials, EarlyView.Screen gate‐based transistors are presented, enabling tunable analog sigmoid and Gaussian activations. The SA‐transistor improves MRI classification accuracy, while the GA‐transistor supports precise Gaussian kernel tuning for forecasting. Both functions are implemented in a single device, offering compact, energy‐efficient analog AI processing ...
Junhyung Cho +9 more
wiley +1 more source
Emergent Motility of Self‐Organized Particle‐Giant Unilamellar Vesicle Assembly
Advanced Materials, EarlyView.Giant unilamellar vesicles (GUVs), when combined with silica particles under alternating electric fields, spontaneously self‐assemble into motile structures. Asymmetric particle decoration induces fluid flows that propel the assemblies, enabling persistent motion and reversible control.
Selcan Karaz +5 more
wiley +1 more source
INTERFERENCE OF VORTEX OPTICAL BEAMS IN A TURBULENT ATMOSPHERE
Igor P. Lukin, D. S. Rychkov
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Conference on Lasers and Electro-Optics, 2021
We demonstrate that, upon interaction with different randomly scattering media, vortex beams maintain a certain memory of initial properties.
Mahdi Eshaghi, Aristide Dogariu
openaire +2 more sources
We demonstrate that, upon interaction with different randomly scattering media, vortex beams maintain a certain memory of initial properties.
Mahdi Eshaghi, Aristide Dogariu
openaire +2 more sources
Inverse Design of Optical Vortex Beam Emitters
ACS Photonics, 2022: Vortex beams are stable solutions of Maxwell’s equations that carry phase singularities and orbital angular momentum, unique properties that give rise to many applications in the basic sciences, optical communications, and quantum technologies ...
A. White +7 more
semanticscholar +1 more source
Controllable Optical Vortex Array for Image Encoding
IEEE Photonics Technology Letters, 2022Optical cryptosystems mostly use spatial distributions of amplitude, phase, and polarization of light to encrypt two-dimensional data/image. In this letter, we demonstrate the use of light carrying an array of optical vortices for image encryption ...
Praveen Kumar, N. Nishchal, A. Alfalou
semanticscholar +1 more source
Physical Review A, 1993
We describe a phenomenon of nonlinear optics that occurs in the framework of transverse effects and optical vortices in lasers. We find that in a class-B laser vortices can never be at rest, but move, starting from an initial symmetry breaking of the direction of motion, continuously.
, Weiss +3 more
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We describe a phenomenon of nonlinear optics that occurs in the framework of transverse effects and optical vortices in lasers. We find that in a class-B laser vortices can never be at rest, but move, starting from an initial symmetry breaking of the direction of motion, continuously.
, Weiss +3 more
openaire +2 more sources
Annals of Physics, 2021
Fresnel diffraction of light beams with a topological charge on a 2D regular amplitude transparency mask is studied. Numerical predictions show that the 3D optical lattices of optical vortices can be formed using the Talbot effect, with these predictions
D. Ikonnikov +3 more
semanticscholar +1 more source
Fresnel diffraction of light beams with a topological charge on a 2D regular amplitude transparency mask is studied. Numerical predictions show that the 3D optical lattices of optical vortices can be formed using the Talbot effect, with these predictions
D. Ikonnikov +3 more
semanticscholar +1 more source
Optics Letters, 2009
We theoretically and experimentally demonstrate how "vectograph" film may be used to create arbitrarily complex vector fields having broadband phase features such as optical vortices.
Grover A, Swartzlander +4 more
openaire +2 more sources
We theoretically and experimentally demonstrate how "vectograph" film may be used to create arbitrarily complex vector fields having broadband phase features such as optical vortices.
Grover A, Swartzlander +4 more
openaire +2 more sources
Flower‐Shaped Optical Vortex Array
Annals of Physics, 2021Herein, the generation of an optical vortex array dubbed the flower‐shaped optical vortex array (FOVA) is proposed and experimentally demonstrated using a single optical path interference method.
H. Fan +6 more
semanticscholar +1 more source