Quantum computers today are notoriously difficult and expensive to operate. Most require temperatures near absolute zero, about -459 degrees Fahrenheit, to maintain the fragile quantum states needed for computation and communication.
Now, researchers at Stanford University have developed a nanoscale optical device that functions at room temperature while linking the quantum properties of light and electrons. The advance could help pave the way for smaller, lower-cost quantum technologies capable of transmitting information across long distances.
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