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Hyperspaces and symmetric products of topological spaces [PDF]
R. Schori
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Finite topological spaces [PDF]
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This work introduces a low‐loss diffractive neural network, fabricated using an imprinting technique with parowax material, for recognizing and manipulating the topological charge of orbital angular momentum (OAM) waves. It is also demonstrated that the low‐loss diffractive network can perform mathematical operations based on the topological charges of
Wei Jia+4 more
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Directional Whispering Gallery Mode in Microring Lasers Enabled by Tilted Azimuthal Gratings
The chiral light propagation in microring lasers with active cladding, enabled by tilted azimuthal gratings, is illustrated. The symmetry of the whispering gallery mode is disrupted due to scattering losses that are determined by the tilted angle, resulting in distinct clockwise and counterclockwise light propagation, and enabling controlled chirality ...
Jinghan Chen+6 more
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Coverings of a topological space [PDF]
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Spatially Controlled Optical Vortex Generation Using Low‐Loss Antimony Telluride Metasurfaces
The spatially varying vortex beams with the customizable propagation trajectory and the controllable topological charge evolution are demonstrated using the Sb2Te3‐based plasmonic metasurfaces. Benefiting from the dispersion‐free property of the Pancharatnam–Berry phase and the broadband response of polarization conversion efficiency of the nanobrick ...
Chengsen Yang+11 more
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A cohomology-based Gromov-Hausdorff metric approach for quantifying molecular similarity. [PDF]
Wee J, Gong X, Tuschmann W, Xia K.
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