Today, many physicists are actively exploring how light could be used to link objects through quantum entanglement. By fully harnessing the effect, they hope to unlock a wide array of applications, from secure communication networks spanning vast distances to sensitive new tests of the fundamental laws of physics.
Through new research published in Science, a team led by Francesco Marin at the University of Florence has taken an important step toward this goal by entangling the motion of a tiny levitating glass sphere with light, without needing to cool their experiment to ultralow temperatures.
Entangling light and mechanical oscillators
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