A tiny device that entangles light and electrons without super-cooling could revolutionize quantum tech in cryptography, computing, and AI.
Present-day quantum computers are big, expensive, and impractical, operating at temperatures near -459 degrees Fahrenheit, or "absolute zero." In a new paper, however, materials scientists at Stanford University introduce a new nanoscale optical device that works at room temperature to entangle the spin of photons (particles of light) and electrons to achieve quantum communication—an approach that uses the laws of quantum physics to transmit and process data. The technology could usher in a new era of low-cost, low-energy quantum components able to communicate over great distances.
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