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Comment Quantum memory (Score 1) 405

It strikes me how, every time quantum teleportation comes up, people thinks "Scottie, beam me up". As explained below, that isn't what "quantum teleportation" is about. The big deal in this article is something else: Quantum information has now been reliably transferred light to atoms. This is really neat if you want to store _and_ transport quantum data - light is really good for transmitting quantumdata, it could in not-so-farfetched theory be done using the existing opticfiber-networks. However, it moves with the speed of light and thus, sucks for storing data once you have it. What Polzik and the team he worked with made, is the
solution to this problem: take the quantum information in the light, and store it in a nice, not-moving, stable atom. Supposidly, you can do the opposite as well, and hence it's a step forward for quantum memory (after all, the process I describe is exactly what "conventional" ram does, if you interchange ligthelectric current, quantum classical and atom "electronic system holding one bit of information in your computers memory")

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