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Showing posts with the label electromagnetic

Ions trapped by electromagnetic field manipulation could solve quantum tech's miniaturization problem, utilizing high-resolution 3D printing

https://phys.org/news/2025-09-3d-micro-ion-quantum-tech.html "individual trapped ions as qubits... electrodes arranged around ion doesn't miniaturize well/ weak field since too far away, overcome, fabricated on sapphire substrates using 2-photon laser polymerization for large arrays of miniaturized 3D ion traps with complex geometries without sacrificing scalability/ precision... then metal-coated with either gold or aluminum... confined calcium ions with between 2 and 24 MHz radial trap frequencies, 4X higher than those typically seen... 2-qubit gate with high 0.978 ± 0.012 Bell-state fidelity"

Hybrid vectorial/ scalar electromagnetic toroidal vortices: A transformative advancement in communications and pushing detection limits

https://www.eurekalert.org/news-releases/1075640 "excitations forming in free air or other fluids... integrates topological skyrmions, transverse orbital angular momentum, spatiotemporal fields, electromagnetic vortex streets, forming propagation-stable electromagnetic quasi-particles... radially polarized pulse emitted from coaxial horn antenna, converted using a designed metasurface... stable signal delivery... structured wavefront engineering, topologically nontrivial light-matter interactions, quantum control, wave-matter interactions, high-precision sensing/ imaging" Related: Toward quantum adaptive imaging: wavefront sensing of position-correlated biphotons https://www.eurekalert.org/news-releases/1098101 Construction of optical spatiotemporal skyrmions https://www.eurekalert.org/news-releases/1106264 Laser vortice in a synthetic magnetic field https://www.eurekalert.org/news-releases/1121727